The Best Waveshare Single Board Computers in 2026: 15 Picks
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Finding the right waveshare single board computer depends on your project architecture and peripheral needs. Waveshare offers modular compute units, compact base boards, adapter hardware, and miniature microcontroller boards in board-to-board and standard carrier layouts. The Waveshare Raspberry Pi Compute Module 4 Lite leads because it delivers flexible quad-core processing for modular embedded projects needing wireless connectivity.
We compared 15 products using the specifications published on their listings. Review these options to match your hardware requirements.
Quick picks
Our 15 picks
Waveshare Raspberry Pi Compute Module 4 Lite
Best for: modular embedded projects needing wireless connectivity
- Processor
- BCM2711, quad-core Cortex-A72
- RAM Capacity
- 2GB
- Storage
- 0GB (Lite) eMMC Flash
- Wireless Connectivity
- WiFi
- Memory
- 2GB RAM
- Dimensions
- 2.17 × 0.39 × 0.19 inches
View on Amazon: Waveshare Raspberry Pi Compute Module 4 Lite
This board provides a BCM2711 quad-core Cortex-A72 64-bit processor paired with 2GB of RAM in a compact footprint. It includes onboard Wi-Fi with support for PCB trace or external antennas. As a Lite variant, it features 0GB of onboard eMMC flash memory, requiring you to provide off-board storage for your operating system. It suits you if you need a modular compute platform for custom baseboards or embedded industrial applications.
Pros
- Quad-core Cortex-A72 BCM2711 64-bit processor
- 2GB of RAM for data processing
- Certified Wi-Fi module supporting PCB trace or external antenna
- Compact form factor measuring roughly 2.17 by 0.39 inches
Cons
- No built-in eMMC storage included on Lite edition
- Requires a carrier baseboard for power and port access
Good fit if
- You need a quad-core BCM2711 compute module with integrated Wi-Fi.
- You plan to supply external storage rather than onboard eMMC flash.
- You are building a custom embedded system using standard CM4 carrier sockets.
Skip if
- You need built-in eMMC flash storage directly on the module.
- You require more than 2GB of RAM for your workload.
- You want an all-in-one single-board computer with integrated standard I/O ports.
Verdict: Waveshare Compute Module 4 2GB RAM Wi-Fi delivers solid quad-core processing and certified wireless connectivity in a compact modular format. Its 0GB Lite configuration leaves storage flexibility entirely up to your carrier setup.
Waveshare Raspberry Pi CM4 Mini Base Board
Best for: compact CM4 projects needing M.2 expansion
- Ethernet
- RJ45 Gigabit Ethernet
- Dimensions
- 3.35 × 2.2 × 2.2 inches
This Waveshare carrier board pairs with your Raspberry Pi Compute Module 4 Lite or eMMC module. It packs standard interfaces onto an 85 by 56 millimeter footprint, including Gigabit Ethernet, HDMI, USB, an M.2 slot, and a color-coded 40-pin GPIO header. Onboard CSI, DSI, and RTC connectors handle camera, display, and timekeeping duties. It fits your setup if you want to evaluate CM4 modules or deploy them into compact custom hardware.
Pros
- Onboard M.2 slot, Gigabit Ethernet, HDMI, and USB connectors
- Standard color-coded 40-pin Raspberry Pi GPIO header
- Compact 85 x 56 mm dimensions match standard Raspberry Pi sizing
- Works with both Compute Module 4 Lite and eMMC editions
Cons
- Fan header supports only 5V fans, not 12V hardware
- DSI display interface connects only DSI0, leaving DSI1 unconnected
Good fit if
- You need M.2 storage expansion and Gigabit Ethernet on a CM4 base board.
- You want color-coded pin headers for testing and breadboard wiring.
- You build embedded hardware using Raspberry Pi CM4 Lite or eMMC modules.
Skip if
- You require dual DSI display outputs simultaneously.
- You plan to power a 12V cooling fan directly from the board.
Verdict: Waveshare Compute Module 4 Mini Base Board delivers standard CM4 breakout connectivity, including M.2 and Gigabit Ethernet, in an 85 by 56 millimeter layout. It provides a solid foundation for evaluating modules or building embedded equipment.
Waveshare Compute Module 4 8GB RAM 32GB eMMC
Best for: memory-intensive embedded systems and industrial deployments
- Processor
- BCM2711, quad-core Cortex-A72
- RAM Capacity
- 8GB
- Storage
- 32GB eMMC Flash
- Wireless Connectivity
- WiFi
- Memory
- 8GB RAM
- Weight
- 3.53 ounces
View on Amazon: Waveshare Compute Module 4 8GB RAM 32GB eMMC
This board provides a compact system built around the BCM2711 quad-core Cortex-A72 processor. You get 8GB of RAM paired with 32GB of onboard eMMC flash storage running at speeds up to 100 MBytes/s. Built-in Wi-Fi handles wireless networking through a PCB trace or external antenna. It suits embedded deployments, industrial builds, or compiled workloads that demand high memory capacity and integrated flash storage.
Pros
- 8GB RAM handles large-scale data compilation
- 32GB eMMC flash reaches transfer speeds up to 100 MBytes/s
- Quad-core Cortex-A72 BCM2711 64-bit SoC
- Wireless module supports PCB trace or external antenna
Cons
- Requires a separate carrier board to access standard peripheral ports
- Onboard storage capacity is fixed at 32GB
Good fit if
- You need 8GB RAM for memory-intensive embedded processing.
- You require 32GB of integrated eMMC storage instead of removable media.
- You plan to integrate Wi-Fi connectivity into a custom base board.
Skip if
- You want full-size USB and HDMI ports without buying an adapter board.
- You do not require more than 1GB to 4GB of system memory.
Verdict: Waveshare Compute Module 4 with 8GB RAM and WiFi delivers top-tier memory and integrated eMMC storage for compact embedded projects. It gives you the highest RAM configuration available on the BCM2711 platform.
Waveshare CM4 Nano Base Board with Gigabit Ethernet
Best for: compact CM4 builds needing Gigabit Ethernet
- Ethernet
- Gigabit Ethernet
- Dimensions
- 2.2 × 1.61 × 0.39 inches
- Weight
- 0.71 ounces
View on Amazon: Waveshare CM4 Nano Base Board with Gigabit Ethernet
The Waveshare CM4 Nano Base Board provides an interface platform designed for the Raspberry Pi Compute Module 4. Measuring 2.2 by 1.61 inches, it matches the exact footprint of the CM4 module. You get a Gigabit Ethernet port, a 40-pin GPIO header, USB 2.0, DSI, CSI, and a Micro SD card socket. This board suits you if you need wired networking and essential expansion in compact, space-constrained embedded setups.
Pros
- Onboard Gigabit Ethernet networking
- Compact dimensions measuring 2.2 by 1.61 inches
- Standard 40-pin GPIO header, DSI, and CSI interfaces
- Micro SD card socket for Compute Module 4 Lite
Cons
- Compute Module 4 is not included
- Data ports limited to USB 2.0
- Micro SD card socket only functions with CM4 Lite variants
Good fit if
- You need Gigabit Ethernet networking on a compact Raspberry Pi CM4 base board.
- You are designing for narrow physical enclosures matching the CM4 footprint.
- You plan to run a Compute Module 4 Lite unit using Micro SD storage.
Skip if
- You require an all-in-one computer that already includes the CM4 module.
- You need USB 3.0 throughput for external high-speed storage or peripherals.
Verdict: Waveshare CM4 Nano Base Board delivers Gigabit Ethernet and essential peripheral headers within the exact footprint of a CM4. It is a focused, space-saving solution for embedded wired networking projects.
Waveshare Pi Zero 2W to Pi 3B Adapter
Best for: adapting Pi Zero 2W to Pi 3B format
- Ethernet
- 100M
- Dimensions
- 3.35 × 2.2 × 0.2 inches
This Waveshare adapter adapts a Raspberry Pi Zero 2W into the physical footprint and port layout of a Raspberry Pi 3B or 3B+. You get a four-port USB hub, a 100M Ethernet jack, full-size HDMI, and a 3.5mm audio jack. It connects via pogo pins without soldering. It suits you if you need Pi 3B connectivity and HAT compatibility while running a Zero 2W board.
Pros
- Four-channel USB interface and full HDMI port
- 100M Fast Ethernet port
- Onboard 3.5mm headphone jack and 4-pin speaker header
- Tool-free pogo-pin connection for the Pi Zero 2W
Cons
- Raspberry Pi Zero 2W is not included
- Ethernet port does not support PoE
- GPIO header is taller than standard Pi 3B boards
Good fit if
- You own a Raspberry Pi Zero 2W and need standard Pi 3B port layouts.
- You require four onboard USB ports and wired Ethernet connectivity.
- You want integrated audio out via a 3.5mm jack or speaker header.
Skip if
- You use an original Raspberry Pi Zero rather than a Zero 2W.
- You require Power over Ethernet (PoE) functionality.
- You use an enclosure that strictly matches standard Pi 3B GPIO height.
Verdict: Waveshare Pi Zero 2W to Pi 3B Adapter converts a Zero 2W into a functional Pi 3B form factor with expanded USB and networking ports. It is an effective hardware bridge if your project relies on Pi 3B HATs and accessories.
Waveshare RP2040 Ethernet Board
Best for: compact wired Ethernet microcontroller projects
- Processor
- Dual-core Arm Cortex M0+ (RP2040)
- RAM Capacity
- 264KB
- RAM Type
- SRAM
- Storage
- 4MB Flash
- Ethernet
- Onboard Ethernet
- Dimensions
- 1.76 × 0.82 × 0.23 inches
This compact development board features a Raspberry Pi RP2040 dual-core Arm Cortex M0+ processor running up to 133 MHz. It includes 264KB of SRAM, 4MB of onboard flash storage, and an integrated CH9120 Ethernet port for wired network communication. You get 14 multi-function GPIO pins and drag-and-drop USB programming. This board suits you if you need a tiny, network-capable microcontroller for embedded C, C++, MicroPython, or Arduino projects.
Pros
- Integrated Ethernet port with onboard CH9120 TCP/IP protocol stack
- Dual-core Arm Cortex M0+ processor running up to 133 MHz
- Onboard 4MB flash memory paired with 264KB SRAM
- Castellated module design allows direct soldering to carrier boards
Cons
- Offers only 14 GPIO pins and works with only select Pico HATs
- No wireless networking options listed
Good fit if
- You need wired Ethernet networking on a compact microcontroller platform.
- You want drag-and-drop USB programming with C/C++, MicroPython, or Arduino SDKs.
- You plan to solder a controller module directly onto your own carrier PCB.
Skip if
- You need integrated Wi-Fi or Bluetooth connectivity.
- You need more than 14 GPIO pins for complex peripheral setups.
Verdict: Waveshare RP2040 Ethernet Development Board delivers dual-core processing and wired network connectivity in a miniature footprint. It provides an integrated CH9120 TCP/IP stack and flexible development support for low-power embedded designs.
Waveshare Compute Module 4 with Heatsink
Best for: compact embedded networking and PCIe expansion
- Processor
- BCM2711, quad-core Cortex-A72
- Ethernet
- Gigabit Ethernet
- Weight
- 2.08 ounces
This bundle provides a compact board powered by a quad-core Cortex-A72 BCM2711 64-bit SoC paired with eMMC flash storage reaching data rates up to 100 MBytes/s. You get an onboard PCIe Gen 2 x1 interface, Gigabit Ethernet PHY with IEEE1588 support, and B to B connectors. It includes a heatsink and an antenna. This setup suits you if you need compact embedded computing for custom networking applications or modular hardware projects.
Pros
- Quad-core Cortex-A72 64-bit SoC (BCM2711)
- Onboard Gigabit Ethernet PHY with IEEE1588 support
- PCIe Gen 2 x1 interface for modular expansions
- Includes dedicated heatsink and antenna accessories
Cons
- PCIe interface is limited to Gen 2 x1 bandwidth
- Requires B to B mating connectors rather than legacy edge connectors
Good fit if
- You need an embedded board with an IEEE1588 Gigabit Ethernet PHY for networking projects.
- You want bundled cooling and wireless hardware including a heatsink and antenna.
- You plan to interface hardware components using PCIe Gen 2 x1.
Skip if
- You need carrier hardware that relies on legacy Goldfinger edge connectors.
- You require faster PCIe throughput than Gen 2 x1 speeds.
Verdict: Waveshare Compute Module 4 with Heatsink delivers quad-core Cortex-A72 processing, Gigabit Ethernet PHY, and PCIe Gen 2 x1 expansion in a compact design. It provides the essential compute hardware along with an included antenna and heatsink for modular embedded builds.
Waveshare CM4 with Heatsink and Antenna
Best for: embedded network systems needing thermal management
- Processor
- BCM2711
- Ethernet
- Gigabit Ethernet
This Waveshare kit supplies a Compute Module 4 accompanied by a dedicated heatsink and antenna. Powered by a Broadcom BCM2711 quad-core Cortex-A72 64-bit processor, it provides board-to-board connectors, an onboard PCIe Gen 2 x1 interface, and Gigabit Ethernet with IEEE1588 network support. You get essential cooling and connectivity hardware directly in the package, making it practical if you build custom network or embedded projects.
Pros
- Broadcom BCM2711 quad-core Cortex-A72 64-bit processor
- Onboard PCIe Gen 2 x1 interface for peripheral expansion
- Gigabit Ethernet PHY with IEEE1588 support
- Includes dedicated heatsink and external antenna
Cons
- Requires a separate carrier board for standard port access
- Lacks onboard full-size USB and HDMI connectors
Good fit if
- You need a quad-core Cortex-A72 processor for custom embedded designs.
- You require PCIe Gen 2 x1 and Gigabit Ethernet with IEEE1588 support.
- You want bundled passive cooling hardware and an external antenna.
Skip if
- You need standard full-size ports without buying a separate carrier board.
- You require a complete standalone single-board computer ready out of the box.
Verdict: Waveshare Compute Module 4 with Heatsink and Antenna delivers quad-core processing alongside PCIe and Gigabit Ethernet support for modular setups. It packages essential thermal and antenna accessories directly with the module.
Waveshare CM5 with Heatsink
Best for: modular embedded builds needing Cortex-A76 performance
- Processor
- BCM2712
- Storage
- eMMC Flash
- Ethernet
- Gigabit Ethernet PHY
This kit pairs an official Compute Module 5 with an included antenna and heatsink. It features a quad-core Cortex-A76 64-bit BCM2712 processor, onboard eMMC flash storage delivering up to 200 Mbps transfer rates, and board-to-board connectors compatible with Compute Module 4 designs. You also get an onboard Gigabit Ethernet PHY with IEEE1588 support and a PCIe Gen 2 x1 interface. It suits you if you need compact embedded processing for custom baseboards.
Pros
- Quad-core Cortex-A76 64-bit BCM2712 processor
- eMMC flash storage with data transfer rates up to 200 Mbps
- Onboard Gigabit Ethernet PHY with IEEE1588 support
- PCIe Gen 2 x1 interface for expansion modules
- Includes dedicated heatsink and external antenna
Cons
- Requires a carrier baseboard for standard external ports
- PCIe connectivity is limited to Gen 2 x1 speeds
Good fit if
- You need a quad-core Cortex-A76 processor with an antenna and heatsink included.
- You plan to use a carrier board with Compute Module 4 board-to-board connectors.
- You require an onboard Gigabit Ethernet PHY with IEEE1588 timing support.
Skip if
- You want a standalone board with standard USB and HDMI ports out of the box.
- You need PCIe Gen 3 or multi-lane PCIe bandwidth.
Verdict: Waveshare Compute Module 5 with Heatsink and Antenna delivers quad-core Cortex-A76 processing and fast eMMC storage in a modular board-to-board format. It gives you core compute performance, PCIe Gen 2 expansion, and cooling hardware ready for compatible baseboards.
Waveshare Compute Module 5 PoE IO Board
Best for: PoE-powered Raspberry Pi CM5 deployments
This Waveshare carrier board pairs with Raspberry Pi Compute Module 5 modules to provide core input and output connections. You get Power over Ethernet support to run network access and power across a single cable. Built-in storage expansion includes an M.2 slot for bootable NVMe solid-state drives alongside a TF card slot. Physical ports include HDMI, USB, Ethernet, MIPI interfaces, and a standard 40-pin GPIO header for your development hardware.
Pros
- Power over Ethernet delivers power and data over one cable
- M.2 slot supports booting directly from NVMe solid-state drives
- Includes standard Raspberry Pi 40-pin GPIO header
- Onboard HDMI, USB, Ethernet, MIPI, and TF card connections
Cons
- Requires a separate Raspberry Pi Compute Module 5 to function
- Does not include an enclosure or protective case
Good fit if
- You need single-cable Power over Ethernet delivery for your CM5 setup.
- You plan to boot and run your system from an NVMe SSD.
- You require standard 40-pin GPIO pins alongside HDMI and USB ports.
Skip if
- You need a complete package that includes the CM5 compute module.
- You prefer an integrated board that comes pre-assembled inside a case.
Verdict: Waveshare Compute Module 5 PoE IO Board delivers flexible connectivity with Power over Ethernet and bootable NVMe solid-state drive support. It serves as a practical base for testing or deploying Raspberry Pi CM5 hardware.
Waveshare CM5 IO Board with Case
Best for: Enclosed CM5 builds needing NVMe storage
This Waveshare carrier board pairs an IO base with a matched case and cooling fan for the Raspberry Pi Compute Module 5. You get support for all CM5 variants, NVMe solid-state drive booting via an M.2 connector, and PoE capabilities. With standard 40-pin GPIO access, MIPI, HDMI, USB, and Ethernet ports, it suits you if you need a protected, fast-storage carrier for standalone CM5 setups.
Pros
- Supports all variants of the Raspberry Pi Compute Module 5
- M.2 connector enables booting directly from an NVMe solid state drive
- Comes with a fitted case, cooling fan, and airflow vents
- Onboard Power over Ethernet (PoE) support and standard 40-pin GPIO header
Cons
- Does not include the Raspberry Pi Compute Module 5 board
- Socket design does not support older CM4 modules
Good fit if
- You need an enclosure with active fan cooling for your CM5 board.
- You want to boot your system from a fast M.2 NVMe solid state drive.
- You plan to utilize Power over Ethernet alongside Raspberry Pi GPIO.
Skip if
- You need an all-in-one computer that already includes the core processing module.
- You are building around a legacy Compute Module 4 form factor.
Verdict: Waveshare CM5 IO Board with Case provides a complete enclosure and interface platform for any Raspberry Pi CM5 board. It stands out by integrating NVMe SSD boot support, PoE functionality, and active fan cooling.
Waveshare Compute Module 5 with Heatsink
Best for: embedded carrier board upgrades needing passive cooling
- Processor
- BCM2712 quad-core Cortex-A76
- Storage
- eMMC Flash
- Ethernet
- Gigabit Ethernet PHY
This bundle pairs a Compute Module 5 board with an antenna and heatsink for thermal management. You get a BCM2712 quad-core Cortex-A76 64-bit processor, high-speed eMMC flash storage delivering up to 200 Mbps data rates, and an onboard Gigabit Ethernet PHY with IEEE1588 support. It suits you if you are designing or upgrading embedded systems that require Compute Module 4 connector compatibility alongside PCIe Gen 2 expansion.
Pros
- Quad-core Cortex-A76 64-bit BCM2712 processor
- Built-in eMMC flash storage with speeds up to 200 Mbps
- Onboard Gigabit Ethernet PHY supporting IEEE1588
- PCIe Gen 2 x1 interface for peripheral modules
- Includes cooling heatsink and antenna in package
Cons
- Requires a separate carrier board with B to B connectors to use external ports
- PCIe interface is limited to Gen 2 x1 speeds
Good fit if
- You need a BCM2712 quad-core Cortex-A76 processor with hardware cooling included.
- You want onboard eMMC storage and an IEEE1588-capable Gigabit Ethernet PHY.
- You already have a baseboard using standard B to B module connectors.
Skip if
- You need standard full-size ports without buying a separate carrier board.
- You require PCIe bandwidth beyond Gen 2 x1.
Verdict: Waveshare Compute Module 5 with Heatsink provides high-speed BCM2712 processing and onboard eMMC storage for custom carrier boards. It delivers essential thermal management and PCIe Gen 2 connectivity in a compact compute module package.
Waveshare CM5 Mini Base Board
Best for: compact CM5 builds needing PCIe expansion
- Ethernet
- Gigabit Ethernet RJ45
- Video Resolution
- Dual 4K
This carrier board gives you a compact 85 by 56 millimeter base for any Raspberry Pi Compute Module 5 variant. It provides dual 4K HDMI output, a Gigabit Ethernet port, and a 16-pin PCIe Gen2 or Gen3 x1 interface for peripheral expansion. You also get two USB 3.2 Gen1 ports alongside dual four-lane MIPI camera or display connectors. It suits you if you need dense I/O for a custom CM5 project.
Pros
- Dual 4K video output support
- 16-pin PCIe Gen2/3 x1 expansion connector
- Two onboard USB 3.2 Gen1 Type-A ports
- Gigabit Ethernet RJ45 network interface
Cons
- Second HDMI output requires an FFC connection
- Secondary USB 2.0 ports route through an FFC connector rather than standard jacks
- Requires a dedicated 5V 5A power supply
Good fit if
- You want to deploy a Raspberry Pi Compute Module 5 on a compact 85 by 56 mm baseboard.
- You need PCIe Gen2 or Gen3 expansion along with dual 4K display capabilities.
- You plan to utilize dual 4-lane MIPI interfaces for cameras or displays.
Skip if
- You require two standard full-size HDMI ports without ribbon cables.
- You need standard USB Type-A ports for more than two peripherals.
Verdict: Waveshare CM5 Mini Base Board delivers Gigabit networking, PCIe expansion, and dual 4K video outputs in a compact footprint. It provides a versatile foundation for projects built around the Raspberry Pi Compute Module 5.
Waveshare CM5 with Antenna and Heatsink
Best for: modular networking builds requiring dedicated cooling
- Processor
- BCM2712 quad-core Cortex-A76
- Storage
- eMMC Flash
- Ethernet
- Gigabit Ethernet PHY
This Waveshare bundle pairs a Compute Module 5 with an included antenna and heatsink. Powered by a BCM2712 quad-core Cortex-A76 64-bit SoC, it delivers fast processing alongside eMMC flash storage reaching 200 Mbps. It provides an onboard PCIe Gen 2 x1 interface and a Gigabit Ethernet PHY with IEEE1588 support. You get a ready-to-cool compute unit ideal for networking applications and projects requiring modular expansion.
Pros
- Quad-core Cortex-A76 64-bit BCM2712 processor
- Onboard Gigabit Ethernet PHY supporting IEEE1588
- PCIe Gen 2 x1 interface for modular peripherals
- Board-to-board connectors compatible with Compute Module 4 bases
- Includes dedicated official antenna and heatsink
Cons
- PCIe bus restricted to Gen 2 x1 speed
- Requires carrier board to access standard input and output ports
Good fit if
- You need quad-core Cortex-A76 processing with IEEE1588 network timing support.
- You want a compute module that includes an antenna and heatsink in the package.
- You plan to integrate modular hardware via a PCIe Gen 2 x1 interface.
Skip if
- You need more peripheral bandwidth than PCIe Gen 2 x1 allows.
- You want an all-in-one board with standard full-sized ports built in.
Verdict: Waveshare Compute Module 5 with Heatsink delivers quad-core Cortex-A76 performance, Gigabit Ethernet with IEEE1588 capability, and bundled thermal hardware for carrier-board setups.
Waveshare CM4 and CM5 Adapter Board
Best for: Raspberry Pi Compute Module hardware integration
This Waveshare expansion board is an adapter for the Raspberry Pi Compute Module series, supporting both CM4 and CM5 hardware. It includes built-in interface protection to safeguard your connections during hardware integration. The unit enables communication between distinct systems and peripheral setups through a compact form factor. It suits you if you need a bridge to connect Compute Module boards with external hardware platforms and require official wiki documentation for setup.
Pros
- Compatible with Raspberry Pi CM4 and CM5 modules
- Built-in interface protection for external connections
- Compact and durable form factor
- Official wiki documentation provided
Cons
- Requires a separate Compute Module to function
- No standalone input or output ports listed
Good fit if
- You need an adapter compatible with Raspberry Pi CM4 or CM5 modules.
- You want built-in interface protection for multi-system hardware integration.
- You rely on official manufacturer wiki guides for installation.
Skip if
- You need a complete single-board computer with built-in processing.
- You require an all-in-one IO carrier board with integrated ports.
Verdict: Waveshare CM4 and CM5 Adapter Board links Raspberry Pi compute modules to external hardware systems with built-in interface protection. It provides a compact integration option backed by official documentation.
Specifications side by side
| Spec | Waveshare Raspberry Pi Compute Module 4 Lite | Waveshare Raspberry Pi CM4 Mini Base Board | Waveshare Compute Module 4 8GB RAM 32GB eMMC | Waveshare CM4 Nano Base Board with Gigabit Ethernet | Waveshare Pi Zero 2W to Pi 3B Adapter | Waveshare RP2040 Ethernet Board | Waveshare Compute Module 4 with Heatsink | Waveshare CM4 with Heatsink and Antenna | Waveshare CM5 with Heatsink | Waveshare Compute Module 5 PoE IO Board | Waveshare CM5 IO Board with Case | Waveshare Compute Module 5 with Heatsink | Waveshare CM5 Mini Base Board | Waveshare CM5 with Antenna and Heatsink | Waveshare CM4 and CM5 Adapter Board |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Processor | BCM2711, quad-core Cortex-A72 | not specified | BCM2711, quad-core Cortex-A72 | not specified | not specified | Dual-core Arm Cortex M0+ (RP2040) | BCM2711, quad-core Cortex-A72 | BCM2711 | BCM2712 | not specified | not specified | BCM2712 quad-core Cortex-A76 | not specified | BCM2712 quad-core Cortex-A76 | not specified |
| RAM Capacity | 2GB | not specified | 8GB | not specified | not specified | 264KB | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| RAM Type | not specified | not specified | not specified | not specified | not specified | SRAM | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Storage | 0GB (Lite) eMMC Flash | not specified | 32GB eMMC Flash | not specified | not specified | 4MB Flash | not specified | not specified | eMMC Flash | not specified | not specified | eMMC Flash | not specified | eMMC Flash | not specified |
| Ethernet | not specified | RJ45 Gigabit Ethernet | not specified | Gigabit Ethernet | 100M | Onboard Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet PHY | not specified | not specified | Gigabit Ethernet PHY | Gigabit Ethernet RJ45 | Gigabit Ethernet PHY | not specified |
| Wireless Connectivity | WiFi | not specified | WiFi | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Video Resolution | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Dual 4K | not specified | not specified |
| Memory | 2GB RAM | not specified | 8GB RAM | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Networking | not specified | not specified | not specified | Gigabit Ethernet | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Dimensions | 2.17 × 0.39 × 0.19 inches | 3.35 × 2.2 × 2.2 inches | not specified | 2.2 × 1.61 × 0.39 inches | 3.35 × 2.2 × 0.2 inches | 1.76 × 0.82 × 0.23 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Weight | 3.53 ounces | not specified | 3.53 ounces | 0.71 ounces | not specified | not specified | 2.08 ounces | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Color | 2GB RAM-0GB (Lite) with WIFI | CM4-IO-BASE-B | 8GB RAM-32GB with WIFI | not specified | PI 2W to Pi 3 Series Adapter | RP2040 Ethernet | Black | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Model | CM4102000 | not specified | CM4108032 | Nano Base Board (B) | Pi Zero 2W to Pi3 Converter-Ver B | not specified | CM4101000 Package A | CM4104000 Package A | not specified | CM5-PoE-BASE-A | not specified | CM5008032 Package A | CM5-IO-BASE-A | not specified | CMX-ADAPTER |
| Size | not specified | not specified | not specified | not specified | not specified | not specified | Compact | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
Understanding the Waveshare Board Lineup
Waveshare divides this lineup between standalone modules, functional carrier boards, and dedicated microcontrollers. Processing platforms split between quad-core Cortex-A72 hardware, like the Waveshare Raspberry Pi Compute Module 4 Lite, and higher-throughput Cortex-A76 modules. If you run heavy multitasking or local databases, opt for high-capacity variants such as the Waveshare Compute Module 4 8GB RAM 32GB eMMC with integrated storage.
Base boards provide physical ports for these compute modules. Choose carrier options like the Waveshare Compute Module 5 PoE IO Board if you need Power over Ethernet, PCIe routing, and bootable NVMe storage in an integrated deployment. For simple low-power tasks without an operating system, the Waveshare RP2040 Ethernet Board suits lightweight automation needing hardwired network connections.
Who Waveshare Hardware Suits Best
This lineup suits you if you build custom embedded equipment, network appliances, or modular industrial systems. Physical footprints range from the miniature RP2040 Ethernet board at 0.82 by 1.76 inches up to carrier boards measuring 3.35 by 2.20 inches. Hardware shapes include raw compute modules, bare breakout carriers, a Pi 3B footprint adapter, and an enclosed case with fan cooling. You will not find integrated displays, onboard battery power, or internal lighting options in this selection. Memory configurations cap at 8GB RAM, so you must add carrier boards and separate storage for full desktop setups.
How to Choose the Right Waveshare Board
-
Matching System Memory to Workload
Check the onboard LPDDR4 memory allocation before selecting a module. Compute modules cannot accept memory upgrades after manufacturing. If you deploy lightweight headless Linux utilities, basic network bridges, or single-purpose automation scripts, a 2GB RAM configuration provides sufficient headroom for background daemons. If your design runs multiple software containers, local databases, or memory-intensive machine vision pipelines, target an 8GB RAM model instead. Selecting the Waveshare Compute Module 4 8GB RAM 32GB eMMC ensures your embedded system avoids out-of-memory errors during heavy sustained operations.
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Selecting Onboard Storage Media
Evaluate how your chosen hardware boots and stores system files. Waveshare compute modules offer either integrated eMMC flash or a Lite configuration without built-in storage. If you select a unit like the Waveshare Raspberry Pi Compute Module 4 Lite, you must supply an external boot medium through an SD card socket or NVMe drive on your carrier board. Integrated eMMC memory delivers vibration-resistant soldered storage ideal for permanent industrial installations, whereas Lite models allow you to swap storage drives easily or resize capacities to meet changing project requirements over time.
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Evaluating Thermal Management Hardware
Inspect whether your application requires dedicated passive or active cooling components. Compact compute platforms generate noticeable heat under sustained multi-core processing loads. If your setup runs in enclosed spaces or handles continuous network routing, verify if the package bundles a matched metal heatsink and thermal pads. Units such as the Waveshare CM5 with Heatsink include custom cooling metalwork designed to fit the board-to-board layout without obstructing mounting holes. Choosing bundled thermal accessories prevents processor throttling, maintains predictable clock speeds, and eliminates the need to source compatible third-party cooling solutions separately.
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Checking High-Speed Peripheral Expansion
Review the bus breakout specifications if your build requires high-bandwidth peripherals. Compute module carrier boards expose PCI Express lanes through different physical connectors, such as M.2 M-key slots or proprietary headers. If your project demands fast solid-state storage for rapid data logging, pick a carrier board supporting bootable NVMe drives. The Waveshare Raspberry Pi CM4 Mini Base Board includes standard M.2 slots alongside Gigabit Ethernet in a compact layout. Confirming PCIe generation and physical lane routing beforehand ensures full bandwidth compatibility with external NVMe solid-state drives, wireless cards, or specialized interface hardware.
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Choosing Power Delivery Infrastructure
Determine your power distribution method before settling on a carrier board layout. Standard embedded builds rely on regulated 5V DC power inputs via USB Type-C or screw terminals. For remote network installations where separate electrical wiring is impractical, look for boards equipped with Power over Ethernet circuitry. Deploying the Waveshare Compute Module 5 PoE IO Board lets you deliver both high-speed network communication and operating power through a single RJ45 Ethernet cable. Verify IEEE PoE power standards on your network switch to make sure the board receives adequate operating wattage under full system load.
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Determining Controller Versus Linux Architecture
Examine whether your task requires a full operating system or deterministic hardware control. If your design only monitors sensors, toggles digital relays, or handles basic TCP/IP communication, an application processor running Linux adds unnecessary boot times and power draw. The Waveshare RP2040 Ethernet Board provides dual microcontroller cores alongside an integrated hardware network stack, drawing minimal current and starting instantly. If your project requires graphical interfaces, multi-tier software stacks, or USB peripheral management, choose a Linux-capable processor module instead. Matching the processing architecture to your software requirements simplifies maintenance and firmware development.
Frequently asked questions
Can you run a Waveshare Compute Module without a base board?
No, you cannot run a standalone compute module like the CM4 Lite or CM5 without a carrier or base board. Compute modules use high-density board-to-board connectors rather than standard USB, HDMI, or power input ports. You must mount the module onto a carrier like the Waveshare CM4 Mini Base Board or CM5 PoE IO Board to access power and physical peripheral interfaces.
What is the difference between CM4 Lite and eMMC models?
CM4 Lite models lack onboard flash storage, whereas standard CM4 editions include integrated eMMC memory. The Waveshare Compute Module 4 Lite features 0GB of onboard storage, requiring you to provide storage through your carrier board setup. In contrast, models like the CM4108032 integrate 32GB eMMC flash directly onto the board alongside 8GB RAM and onboard Wi-Fi.
Does the Waveshare RP2040 Ethernet board run a standard Linux operating system?
No, the Waveshare RP2040 Ethernet Board is a microcontroller platform rather than an operating-system-capable single board computer. It runs embedded C/C++ or MicroPython firmware on a dual-core RP2040 processor. The onboard CH9120 TCP/IP stack manages wired networking directly, making it suitable for low-power control tasks and network bridges rather than full operating system environments.
Can you boot NVMe solid-state storage on Waveshare CM5 base boards?
Yes, select Waveshare CM5 carrier boards support bootable NVMe solid-state drives using PCIe connectivity. The Waveshare Compute Module 5 PoE IO Board and the CM5 IO Board with Case both provide NVMe SSD boot capabilities. These carrier boards take advantage of the CM5 PCIe Gen 2 interface to give you high-speed solid-state storage without relying entirely on eMMC.
How does the Waveshare Pi Zero 2W adapter convert board layouts?
The Waveshare Pi Zero 2W to Pi 3B Adapter converts the Zero 2W into the physical footprint of a Raspberry Pi 3B. It routes connections to standard USB ports and an Ethernet jack while maintaining the classic layout dimensions. This conversion lets you mount standard Pi 3B HATs and use existing Pi 3 series project enclosures.
What video capabilities does the Waveshare CM5 Mini Base Board support?
The Waveshare CM5 Mini Base Board supports dual 4K video display outputs directly from a Compute Module 5. Built under model CM5-IO-BASE-A, it routes video signals to external monitors while breaking out Gigabit networking and PCIe expansion lanes. This configuration allows you to drive two ultra-high-definition displays in compact multimedia or embedded monitoring builds.
What does the Waveshare CM4 and CM5 Adapter Board do?
The Waveshare CM4 and CM5 Adapter Board links Raspberry Pi compute modules to external hardware systems while offering integrated interface protection. Carrying the model designation CMX-ADAPTER, it protects sensitive board-to-board communication lines against electrical faults during development. It serves as an evaluation and bridge tool for projects integrating either CM4 or CM5 processing hardware.