Best Mini PCs with 4GB RAM: 15 Spec-Based Picks
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A mini PC with 4GB RAM fits lightweight workloads such as digital signage, basic office tasks, and network routing. We compared 15 systems using only the specifications published on their listings. The Lenovo ThinkCentre Tiny AMD Dual-Core Mini PC leads the list because it pairs Windows 11 Pro with a compact 7.2-inch desktop chassis for business duties.
Hardware in this memory tier ranges from fanless stick PCs to multi-port firewall appliances. This guide helps you decide which form factor, storage configuration, and operating system match your workspace needs.
Quick picks
The best fit for you
- You need a compact desktop for basic business tasks Lenovo ThinkCentre Tiny AMD Dual-Core Mini PC It features Windows 11 Pro and 4GB RAM in a 1.44-inch-thin chassis.
- You want a silent multi-gigabit hardware firewall appliance Protectli Vault 4-Port 2.5G Fanless Mini PC Dedicated 2.5G LAN ports and fanless operation deliver silent multi-gigabit network routing.
- You need an integrated touchscreen system running Android HiGOLE 15.6-Inch Fanless Android All-in-One PC The 15.6-inch screen, fanless cooling, and Android operating system provide all-in-one kiosk hardware.
- You need maximum solid-state storage with Intel N100 WEIDIAN Fanless N100 Mini PC It combines an Intel N100 processor with 128GB SSD storage in a fanless casing.
Our 15 picks
Lenovo ThinkCentre Tiny AMD Dual-Core Mini PC
Best for: basic office tasks needing ample local storage
- Memory
- 4GB RAM
- Processor
- AMD A9-9420e
- Installed RAM
- 4GB
- Storage Capacity
- 500GB HDD
- Graphics
- AMD Radeon R5
- Ethernet Ports
- 1 x RJ-45
View on Amazon: Lenovo ThinkCentre Tiny AMD Dual-Core Mini PC
The Lenovo ThinkCentre Tiny Mini PC is a compact desktop built for everyday office workloads. It pairs 4GB of RAM with a 500GB hard drive and an AMD A9-9420e dual-core processor reaching 2.60 GHz. You get Windows 11 Pro preinstalled, dual DisplayPort outputs, and six total USB ports. This small system suits you if you need a dedicated business computer for simple administrative tasks, local file storage, and lightweight productivity.
Pros
- 500GB hard drive provides ample local capacity
- Dual DisplayPort outputs support two screens
- Preinstalled with Windows 11 Pro operating system
- Six USB ports distributed across front and rear
Cons
- Mechanical hard drive instead of solid-state storage
- Dual-core AMD processor limits heavy multitasking workloads
- Lacks native HDMI display ports
Good fit if
- You need Windows 11 Pro for business applications.
- You require dual DisplayPort outputs for two monitors.
- You want 500GB of onboard storage for files.
Skip if
- You require fast solid-state storage performance.
- You need direct HDMI connections without adapters.
Verdict: Lenovo ThinkCentre Tiny Mini PC delivers standard office functionality with Windows 11 Pro and broad peripheral connectivity. It serves everyday business tasks effectively if you do not mind mechanical hard drive speeds.
HiGOLE Fanless Mini PC Stick
Best for: silent digital signage and portable presentations
- Memory
- 4GB RAM
- Processor
- Intel Celeron J3455
- Installed RAM
- 4GB
- Storage Capacity
- 64GB
- Memory Type
- LPDDR4
- Graphics
- Intel UHD 600
This pocket-sized stick PC from HiGOLE plugs directly into displays to give you a full desktop experience. Equipped with an Intel Celeron processor, 4GB of LPDDR4 memory, and 64GB of eMMC storage, it handles standard office tasks, media streaming, and digital signage. You also get completely silent fanless cooling and a Gigabit Ethernet port, making it a reliable fit for continuous 24/7 operation in quiet workspaces.
Pros
- Silent fanless cooling suitable for 24/7 operation
- Dedicated Gigabit Ethernet port alongside two USB 3.0 ports
- Supports 4K output at 60Hz via Intel UHD 600 Graphics
- Compact 0.65-pound stick form factor powered via USB-C
Cons
- Internal storage is limited to 64GB eMMC
- Fixed 4GB memory limits heavy multitasking
Good fit if
- You need a silent, ultra-compact PC for presentations or digital signage.
- You want wired Gigabit networking in a pocket-sized stick form factor.
- You require a zero-noise computer for 24/7 office or IoT setups.
Skip if
- You need more than 64GB of built-in storage for large local files.
- You run memory-intensive applications that require more than 4GB of RAM.
Verdict: HiGOLE Fanless Mini PC Stick packs wired Gigabit Ethernet and 4K display output into an ultra-portable design. It delivers reliable, silent basic computing for signage, streaming, or lightweight office work.
ASUS Fanless Chromebox 4
Best for: silent cloud-based productivity and multi-display setups
- Memory
- 4GB RAM
- Installed RAM
- 4GB
- Storage Capacity
- 32GB eMMC
- Memory Type
- DDR4
- Operating System
- ChromeOS
- Processor
- Intel Celeron
The ASUS Fanless Chromebox 4 is a compact, silent desktop running ChromeOS. Powered by an Intel Celeron processor paired with 4GB of DDR4 memory, it handles web applications, cloud tasks, and light multitasking. Its extruded-aluminum chassis relies entirely on passive cooling to eliminate fan noise. You get 32GB of onboard storage, WiFi 6 connectivity, and support for up to three displays through dual HDMI 2.0 ports and a USB-C connection.
Pros
- Passive fanless cooling with an extruded-aluminum chassis
- Supports up to three external displays via dual HDMI 2.0 and USB-C
- Fast wireless networking with built-in WiFi 6
- Legacy RS232 serial connection via RJ50 interface
Cons
- Limited onboard storage with only 32GB capacity
- Runs ChromeOS, which lacks support for native Windows applications
Good fit if
- You need a completely silent, fanless mini PC for noise-sensitive environments.
- You work primarily within web browsers, cloud services, and ChromeOS apps.
- You want to connect up to three monitors using HDMI and USB-C outputs.
Skip if
- You require a traditional Windows or Linux operating system out of the box.
- You need substantial local storage space for large files and heavy applications.
Verdict: ASUS Fanless Chromebox 4 delivers completely silent operation and triple-display capability in a durable metal chassis. It is a solid pick if your daily tasks live in cloud environments rather than storage-heavy desktop programs.
HEIGAOLAPC Fanless Mini PC Stick
Best for: silent digital signage and media streaming setups
- Memory
- 4GB RAM
- Processor
- Intel Celeron N4100
- Installed RAM
- 4 GB
- Storage Capacity
- 64 GB
- Memory Type
- LPDDR4
- Ethernet Ports
- Gigabit Ethernet
This pocket-sized stick PC plugs directly into displays to handle basic computing tasks without taking up desk space. It features 4GB LPDDR4 memory paired with a quad-core Intel Celeron N4100 processor and 64GB eMMC storage. Passive cooling keeps operation completely silent. You get Gigabit Ethernet, dual-band Wi-Fi, and Windows 11 Pro pre-installed. It suits you if you need an unobtrusive computer for media streaming, digital signage, or light daily office tasks.
Pros
- Fanless design delivers silent 0dB operation with no moving parts
- Includes a dedicated Gigabit Ethernet port alongside dual-band Wi-Fi
- Micro SD card slot expands storage by up to 1TB
- Supports 4K video output over HDMI
Cons
- Internal storage is limited to 64GB eMMC
- Wireless peripheral support uses older Bluetooth 4.2
Good fit if
- You need silent, zero-noise hardware for media playback or digital signage
- You want physical Gigabit Ethernet connectivity on a stick computer
- You require IoT features like Wake on LAN, PXE boot, and Auto Power On
Skip if
- You need high-capacity onboard solid-state storage out of the box
- You require newer Bluetooth 5.0 or faster wireless standards
Verdict: HEIGAOLAPC Fanless Mini PC Stick delivers silent quad-core performance and wired Gigabit networking in an ultra-compact footprint. It is a practical pick if you need an unobtrusive Windows 11 system for displays or basic everyday duties.
HiGOLE 15.6-Inch Fanless Android All-in-One PC
Best for: industrial Android touchscreen kiosk deployments
- Memory
- 4GB RAM
- Processor
- RK3399
- Installed RAM
- 4GB
- Storage Capacity
- 64GB ROM
- Ethernet Ports
- Gigabit Ethernet
- Operating System
- Android 12
View on Amazon: HiGOLE 15.6-Inch Fanless Android All-in-One PC
This HiGOLE device combines an industrial computer and a 15.6-inch Full HD touchscreen into a single fanless unit. It runs Android 12 on an RK3399 processor paired with 4GB of RAM and 64GB of storage. If you need a dedicated touch interface for industrial environments or interactive kiosks, this system provides built-in Gigabit LAN, Wi-Fi 5, and an operating temperature range from -10°C to 55°C without requiring an external monitor.
Pros
- Integrated 15.6-inch 1080p 10-point capacitive touchscreen
- Fanless build operating between -10°C and 55°C
- Gigabit LAN, Wi-Fi 5, and Bluetooth 4.2 connectivity
- Includes pivoting base and standard VESA mount support
Cons
- Limited to 64GB of internal storage
- Restricted to Android 12 rather than desktop OS platforms
- Uses older Bluetooth 4.2 connectivity
Good fit if
- You need an all-in-one touchscreen device running Android 12
- You deploy hardware in settings requiring fanless cooling and wide operating temperatures
- You want flexible mounting options using VESA or an adjustable stand
Skip if
- You require Windows, ChromeOS, or traditional x86 Linux distributions
- You need more than 64GB of built-in storage for local data
Verdict: HiGOLE 15.6-Inch Fanless Android All-in-One PC delivers an integrated touchscreen and rugged fanless design for industrial Android setups. Its 4GB RAM and RK3399 processor handle dedicated interactive workflows without separate display hardware.
Protectli Vault 4-Port Fanless Mini PC
Best for: dedicated open-source firewall and router setups
- Memory
- 4GB RAM
- Processor
- Intel Celeron J3160
- Installed RAM
- 4GB
- Storage Capacity
- 32GB
- Memory Type
- DDR3L
- Ethernet Ports
- 4x Gigabit
This compact fanless mini PC operates as a dedicated network appliance. You get an Intel Celeron J3160 quad-core processor with AES-NI hardware support, 4GB of DDR3L RAM, and a 32GB mSATA SSD. Four Intel Gigabit Ethernet ports provide multi-network routing capabilities right out of the box. Because it ships without an operating system, it suits you if you plan to deploy custom open-source firewall platforms like pfSense or OPNsense.
Pros
- Four Intel Gigabit Ethernet ports for dedicated routing
- Intel Celeron J3160 quad-core CPU with AES-NI support
- Fanless, silent chassis measuring 4.5 by 4.3 by 1.5 inches
- Dual HDMI display outputs and two USB 3.0 ports
Cons
- No operating system pre-installed
- 32GB mSATA SSD provides minimal storage capacity
- coreboot BIOS requires manual installation by user
Good fit if
- You need four Gigabit Ethernet ports for network routing.
- You plan to install your own OS like pfSense or OPNsense.
- You want a silent, fanless device with hardware AES-NI support.
Skip if
- You need a pre-installed operating system out of the box.
- You require large internal drive storage beyond 32GB.
Verdict: Protectli Vault 4-Port Fanless Mini PC delivers multi-port networking hardware with AES-NI cryptographic support. It provides an ideal physical platform if you configure your own firewall software.
UDPTCP Fanless Industrial Mini PC
Best for: Linux-based soft routing and industrial control
- Memory
- 4GB RAM
- Processor
- Celeron N2840
- Installed RAM
- 4GB
- Storage Capacity
- 64GB SSD
- Memory Type
- DDR3L 1333MHz
- Graphics
- UHD Graphics
The UDPTCP Fanless Industrial Mini PC is a solid-state micro desktop running Linux. It combines an Intel Celeron N2840 dual-core processor with 4GB of DDR3L RAM and 64GB of SSD storage. Dual Gigabit Ethernet ports, two RS232 COM interfaces, and six USB ports handle legacy gear and network routing. If you need a silent, low-power machine for Linux routing, firewall deployment, or industrial serial communication, this fanless setup fits your workflow.
Pros
- Dual Gigabit Ethernet ports powered by Realtek controllers
- Silent fanless operation with low 7.5W processor TDP
- Two RS232 COM serial ports for industrial hardware
- Dual display support via HDMI and VGA outputs
Cons
- Uses older DDR3L 1333MHz memory standard
- Only one of the six USB ports supports USB 3.0 speeds
Good fit if
- You need dual Gigabit LAN interfaces for Linux network appliances or soft routing.
- You require RS232 COM serial connections for legacy or industrial equipment.
- You want a silent, passively cooled Linux machine for low-power operation.
Skip if
- You need a multi-core processor capable of handling demanding desktop workloads.
- You require multiple high-speed USB 3.0 ports for fast external storage.
Verdict: UDPTCP Fanless Industrial Mini PC delivers dual-NIC networking and legacy serial ports in a silent Linux appliance. It provides a practical, low-power platform for network routing and industrial equipment control.
Protectli Vault 4-Port 2.5G Fanless Mini PC
Best for: custom multi-gigabit firewall and router setups
- Memory
- 4GB RAM
- Processor
- Intel J3710
- Installed RAM
- 4GB
- Storage Capacity
- 32GB
- Memory Type
- DDR3
- Ethernet Ports
- 4x 2.5 Gigabit Ethernet
This compact, fanless unit serves as a dedicated network firewall or router. It pairs an Intel quad-core processor and 4GB of RAM with four 2.5 Gigabit Ethernet ports and Intel AES-NI hardware support. You also get a 32GB SSD, dual HDMI outputs, and an RJ45 console port. It suits you if you need a silent, multi-gigabit network appliance and plan to install your own operating system.
Pros
- Four Intel 2.5 Gigabit Ethernet ports
- Silent fanless design
- Hardware AES-NI acceleration support
- Dual HDMI and USB 3.0 connectivity
Cons
- No operating system pre-installed
- Internal SSD capacity is limited to 32GB
- Uses DDR3 memory rather than newer DDR4
Good fit if
- You need four 2.5G network ports for firewall or routing tasks.
- You want a completely silent, fanless network appliance.
- You plan to install open-source software like pfSense or OPNsense.
Skip if
- You want a pre-installed operating system ready to run immediately.
- You require large onboard storage out of the box.
Verdict: Protectli Vault 4-Port 2.5G Fanless Mini PC delivers dedicated multi-gigabit networking hardware for custom firewall deployments. It gives you silent operation and four 2.5GbE ports, provided you supply the operating system.
UDPTCP Fanless Dual LAN Firewall Mini PC
Best for: dedicated dual-port soft routing and firewalls
- Memory
- 4GB RAM
- Processor
- Celeron N2840
- Installed RAM
- 4GB
- Storage Capacity
- 64GB
- Memory Type
- DDR3L 1333/1600MHz
- Graphics
- UHD Graphics
You get a dedicated networking appliance built around an Intel Celeron N2840 processor and 4GB of DDR3L memory. It includes a 64GB SSD, two Gigabit Ethernet ports, and legacy video via HDMI and VGA. The fanless design relies on passive cooling, keeping operation silent. This setup fits your needs if you plan to deploy lightweight routing, firewall software like OPNsense, or basic network monitoring tasks.
Pros
- Dual Realtek RTL8111H Gigabit Ethernet ports
- Fanless design for silent operation
- Six USB ports including two USB 3.0
- Internal bay for an additional 2.5-inch SATA drive
Cons
- Uses an older dual-core Celeron N2840 processor
- Relatively heavy chassis at 4.5 pounds
- Limited to older DDR3L memory architecture
Good fit if
- You need two physical Gigabit LAN ports for soft routing.
- You plan to install network operating systems like OPNsense or OpenWrt.
- You prefer completely silent, passively cooled hardware.
Skip if
- You require multi-gigabit networking hardware above 1Gbps.
- You run heavy virtualization tasks that need more CPU cores.
Verdict: UDPTCP Fanless Dual LAN Firewall Mini PC provides dedicated dual Gigabit ports and silent cooling for low-overhead routing tasks. Its dual-core processor and 4GB RAM match lightweight network distribution environments.
WEIDIAN Fanless N100 Mini PC
Best for: silent industrial and dual-Ethernet setups
- Memory
- 4GB RAM
- Processor
- Intel N100
- Installed RAM
- 4GB
- Storage Capacity
- 128GB
- Graphics
- UHD Graphics
- Ethernet Ports
- 2x Gigabit
The WEIDIAN Fanless N100 Mini PC gives you an Intel N100 quad-core processor paired with 4GB RAM and a 128GB SSD. Its silent, fanless aluminum chassis operates without moving parts, making it dependable for continuous 24/7 operation. Dual Gigabit Ethernet ports, dual COM ports, and dual-display support via HD and VGA make it a versatile fit if you manage digital signage, network appliances, or light industrial tasks.
Pros
- Intel N100 quad-core processor reaching up to 3.4GHz
- Dual Gigabit Ethernet ports and dual-band Wi-Fi
- Fanless aluminum chassis with dual RS232 COM ports
- Storage expansion support for M.2 NVMe and 2.5-inch SATA drives
Cons
- Baseline 4GB RAM capacity limits heavy multitasking
- Secondary video out relies on legacy VGA port
- No USB Type-C ports included on the chassis
Good fit if
- You need dual Gigabit Ethernet and serial COM ports for industrial automation.
- You want a completely silent, fanless system with a 128GB SSD.
- You run 24/7 edge computing, digital signage, or light office tasks.
Skip if
- You require more than 4GB RAM for demanding computing workloads.
- You need dual modern digital video outputs instead of VGA.
- You rely on USB-C connectivity for newer peripherals.
Verdict: WEIDIAN Fanless N100 Mini PC delivers silent quad-core performance, dual Gigabit networking, and expandable storage for 24/7 industrial or edge computing setups.
Dell Wyse Thin Client Celeron J4105
Best for: thin-client remote desktop terminal deployment
- Memory
- 4GB RAM
- Processor
- Intel Celeron J4105
- Installed RAM
- 4GB
- Storage Capacity
- 16GB Flash EMMC
- Graphics
- Discrete Graphics
- Ethernet Ports
- RJ45 Ethernet
The Dell Wyse 5070 Thin Client pairs a quad-core Intel Celeron J4105 processor with 4GB of RAM and 16GB of eMMC flash storage. Its chassis measures 1.4 by 7.2 by 7.2 inches, offering RJ45 Ethernet, USB-C, and multiple USB 3.0 ports. You get support for ThinOS, Linux, and Windows 10 environments. This setup suits you if you run lightweight remote desktop sessions or targeted cloud terminal tasks.
Pros
- Intel Celeron J4105 quad-core processor up to 2.5GHz
- USB-C port alongside USB 3.0 and USB 2.0 connectivity
- Compact 1.4 by 7.2 by 7.2 inch footprint
- Includes keyboard, mouse, and power cord
Cons
- Limited 16GB internal flash storage
- Dual DisplayPorts restricted to Pentium configurations
- Wireless networking module marked as optional
Good fit if
- You need a dedicated endpoint for ThinOS, Linux, or remote desktops.
- You require a compact chassis measuring 1.4 inches wide.
- You want included peripherals like a mouse and keyboard.
Skip if
- You require large local onboard storage beyond 16GB.
- You need integrated Wi-Fi standard out of the box.
Verdict: Dell Wyse 5070 Thin Client provides a low-power quad-core terminal built for virtual desktop infrastructure and network environments. It delivers versatile wired I/O within a slim, space-saving desktop chassis.
Protectli Vault 2-Port Fanless Mini PC
Best for: silent dual-port open-source firewall deployments
- Memory
- 4GB RAM
- Processor
- Intel Dual Core Celeron
- Installed RAM
- 4GB
- Storage Capacity
- 32GB
- Memory Type
- DDR3L
- Ethernet Ports
- 2x Intel Gigabit Ethernet
This micro appliance is a fanless firewall mini PC built for network security. You get 4GB DDR3L RAM paired with a 32GB mSATA SSD and a dual-core Intel Celeron processor. It includes two Intel Gigabit Ethernet ports and hardware AES-NI support. With no operating system pre-installed, it suits you if you want to deploy open-source firewall platforms like pfSense or OPNsense in a compact, silent setup.
Pros
- Two Intel Gigabit Ethernet NIC ports
- Hardware AES-NI support
- Fanless and silent operation
- Six USB ports including two USB 3.0
Cons
- No pre-installed operating system
- 32GB mSATA SSD provides limited local storage
- Only two network ports
Good fit if
- You need a dedicated, silent hardware firewall with AES-NI support.
- You plan to install your own OS such as pfSense or OPNsense.
- You only require two Gigabit Ethernet ports for WAN and LAN routing.
Skip if
- You want an operating system ready out of the box.
- You need more than two network interfaces for multi-port routing.
- You need more than 32GB of internal storage.
Verdict: Protectli Vault 2-Port Fanless Mini PC delivers reliable, silent routing hardware with dual Intel NICs and AES-NI encryption support. It is a solid pick when you want complete control to install your own open-source firewall.
Azulle Access Pro Fanless N100 PC Stick
Best for: silent, ultra-compact display setups
- Memory
- 4GB RAM
- Processor
- Intel N100
- Installed RAM
- 4GB
- Storage Capacity
- 64GB
- Ethernet Ports
- Gigabit Ethernet
- Operating System
- Windows 11 Pro
You get a pocket-sized stick PC running Windows 11 Pro on an Intel N100 quad-core processor paired with 4GB of RAM and 64GB of eMMC storage. Its 5.1-inch fanless chassis connects directly to screens while offering Gigabit Ethernet, WiFi 6, and a 4K HDMI output. It suits you if you need an ultra-compact, silent system for basic office tasks, streaming, or media displays.
Pros
- Intel N100 quad-core processor reaching up to 3.4GHz
- Silent, fanless stick design measuring 5.1 inches long
- Includes Gigabit Ethernet, WiFi 6, and Bluetooth 5.2
- Comes with Windows 11 Pro pre-installed
Cons
- Limited to 64GB of internal eMMC storage
- Fixed 4GB memory capacity
Good fit if
- You need a silent, fanless stick form factor to plug directly into a display.
- You want updated connectivity with WiFi 6 and Gigabit Ethernet.
- You require Windows 11 Pro for lightweight everyday business or streaming tasks.
Skip if
- You need more than 64GB of onboard storage for large files.
- You run heavy multitasking workloads that demand more than 4GB of RAM.
Verdict: Azulle Access Pro Fanless N100 PC Stick delivers quad-core processing and modern networking in a completely silent, compact stick format. It provides an efficient Windows 11 Pro workstation for spaces where standard desktop cases cannot fit.
AZULLE Access Pro Fanless PC Stick
Best for: silent digital signage and kiosk deployments
- Memory
- 4GB RAM
- Processor
- Intel N100
- Installed RAM
- 4GB
- Storage Capacity
- 64GB
- Memory Type
- LPDDR5
- Graphics
- Intel UHD Graphics
The AZULLE Access Pro is a compact stick PC designed for digital signage, kiosks, and dedicated rooms. It runs an Intel N100 processor with 4GB of LPDDR5 memory and 64GB of eMMC storage. Passive fanless cooling ensures silent operation, while WiFi 6, Gigabit Ethernet, and HDMI output provide solid connectivity in tight spaces. You get Windows 10 IoT Enterprise preinstalled for stable, single-purpose computing environments.
Pros
- Intel N100 processor with 4GB LPDDR5 RAM
- Fanless design for silent operation
- Built-in Gigabit Ethernet and WiFi 6 connectivity
- Includes HDMI extension cable and preloaded Zoom software
Cons
- Limited 64GB eMMC internal storage
- Compact stick form factor limits internal hardware expansion
Good fit if
- You need a silent, fanless PC stick for digital signage, kiosks, or Zoom setups.
- You want Gigabit Ethernet and WiFi 6 in an ultra-compact stick form factor.
- You require Windows 10 IoT Enterprise for dedicated business installations.
Skip if
- You need more than 64GB of onboard storage for large applications.
- You require more than 4GB of memory for demanding computing workloads.
Verdict: AZULLE Access Pro Fanless PC Stick delivers silent Intel N100 performance and Windows 10 IoT stability in an ultra-compact form factor. It provides a practical, low-profile computing solution for dedicated displays and commercial deployments.
HKAIOT Fanless Firewall Mini PC, Industrial Small Computer, Dual Display, Gigabit Ethernet, WiFi, Bluetooth, USB 3.0 Fanless Mini Desktop PC, 4GB RAM 64GB SSD
- Memory
- 4GB RAM
- Processor
- AMD A4 Micro-6400T
- Installed RAM
- 4GB
- Storage Capacity
- 64GB
- Memory Type
- DDR3
- Ethernet Ports
- 1x Gigabit LAN
Specifications side by side
| Spec | Lenovo ThinkCentre Tiny AMD Dual-Core Mini PC | HiGOLE Fanless Mini PC Stick | ASUS Fanless Chromebox 4 | HEIGAOLAPC Fanless Mini PC Stick | HiGOLE 15.6-Inch Fanless Android All-in-One PC | Protectli Vault 4-Port Fanless Mini PC | UDPTCP Fanless Industrial Mini PC | Protectli Vault 4-Port 2.5G Fanless Mini PC | UDPTCP Fanless Dual LAN Firewall Mini PC | WEIDIAN Fanless N100 Mini PC | Dell Wyse Thin Client Celeron J4105 | Protectli Vault 2-Port Fanless Mini PC | Azulle Access Pro Fanless N100 PC Stick | AZULLE Access Pro Fanless PC Stick | HKAIOT Fanless Firewall Mini PC, Industrial Small Computer, Dual Display, Gigabit Ethernet, WiFi, Bluetooth, USB 3.0 Fanless Mini Desktop PC, 4GB RAM 64GB SSD |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Processor | AMD A9-9420e | Intel Celeron J3455 | not specified | Intel Celeron N4100 | RK3399 | Intel Celeron J3160 | Celeron N2840 | Intel J3710 | Celeron N2840 | Intel N100 | Intel Celeron J4105 | Intel Dual Core Celeron | Intel N100 | Intel N100 | AMD A4 Micro-6400T |
| Installed RAM | 4GB | 4GB | 4GB | 4 GB | 4GB | 4GB | 4GB | 4GB | 4GB | 4GB | 4GB | 4GB | 4GB | 4GB | 4GB |
| Storage Capacity | 500GB HDD | 64GB | 32GB eMMC | 64 GB | 64GB ROM | 32GB | 64GB SSD | 32GB | 64GB | 128GB | 16GB Flash EMMC | 32GB | 64GB | 64GB | 64GB |
| Memory Type | not specified | LPDDR4 | DDR4 | LPDDR4 | not specified | DDR3L | DDR3L 1333MHz | DDR3 | DDR3L 1333/1600MHz | not specified | not specified | DDR3L | not specified | LPDDR5 | DDR3 |
| Graphics | AMD Radeon R5 | Intel UHD 600 | not specified | not specified | not specified | not specified | UHD Graphics | not specified | UHD Graphics | UHD Graphics | Discrete Graphics | not specified | not specified | Intel UHD Graphics | not specified |
| Ethernet Ports | 1 x RJ-45 | Gigabit | not specified | Gigabit Ethernet | Gigabit Ethernet | 4x Gigabit | 2x 1000M | 4x 2.5 Gigabit Ethernet | 2 x 1000M | 2x Gigabit | RJ45 Ethernet | 2x Intel Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 1x Gigabit LAN |
| Operating System | Windows 11 Pro | Windows 10 Pro | ChromeOS | Windows 11 Pro | Android 12 | not specified | not specified | No OS pre-installed | not specified | Windows 11 Pro (64-bit) | Thin OS | not specified | Windows 11 Pro | Windows 10 IoT Enterprise | not specified |
| Memory | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM | 4GB RAM |
| Storage | not specified | 64GB eMMC | 32GB SSD | 64GB eMMC | not specified | 32GB SSD | not specified | 32GB SSD | not specified | 128GB SSD | not specified | 32GB SSD | 64GB eMMC | 64GB eMMC | not specified |
| Use | Business | Business, Office, Industrial, IoT | not specified | not specified | Industrial | Firewall | Industrial | Firewall | Firewall | Industrial | not specified | Firewall | not specified | IoT | Industrial |
| Cooling | not specified | Fanless | Fanless | not specified | Fanless | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Fanless | Fanless |
| Networking | not specified | Gigabit Ethernet | not specified | not specified | Gigabit Ethernet | not specified | Gigabit Ethernet | 2.5G LAN | not specified | Gigabit Ethernet | not specified | not specified | not specified | Gigabit Ethernet | Gigabit Ethernet |
| Form Factor | not specified | Stick PC | not specified | Stick PC | not specified | not specified | not specified | not specified | not specified | not specified | Thin Client | not specified | Stick PC | Stick PC | not specified |
| Dimensions | 7.2 × 7.05 × 1.44 inches | not specified | 5.75 × 4.11 × 0.89 inches | 5.5 × 1.93 × 0.35 inches | 14.2 × 9.06 × 1.18 inches | 4.5 × 4.3 × 1.5 inches | not specified | 4.25 × 4.56 × 1.69 inches | not specified | 5.35 × 4.96 × 1.69 inches | 7.2 × 1.4 × 7.2 inches | 4.25 × 4.56 × 1.69 inches | 5.1 × 2 × 0.8 inches | 5.1 × 2 × 0.8 inches | not specified |
| Weight | 2.9 pounds | 10.4 ounces | 2.2 pounds | 2.8 pounds | not specified | not specified | 4 pounds | not specified | 4.5 pounds | not specified | not specified | not specified | not specified | not specified | not specified |
| Color | Black | J3455-4+64GB | BLACK | N4100 4+64G | RK3399-4+64GB | Black | Black | black | not specified | not specified | Black | Black | Black | Black | Black |
| Model | ThinkCentre M625q | PC STICK | CHROMEBOX4-FC017U | N4100 4+64G | F15R | FW4B-0-4-32 | TF-N2840-2C-2L | Vault | G30-N2840-2L | H3 | YWFHX | J3060 | A4P0AL102250 | A4P010332Z00 | F6-6400T |
| Size | not specified | not specified | 4GB RAM|32GB SSD | N4100 4+64G | 15.6"-RK3399-4+64GB-Rotate | 4GB RAM, 32GB SSD | 4 GB RAM 64 GB SSD | 4GB RAM, 32GB SSD | 4GB RAM 64GB SSD | not specified | Thin OS | 4GB RAM | 4GB RAM, 32GB SSD | not specified | not specified | not specified |
Is 4GB RAM Worth It for Your Setup?
A 4GB memory configuration sets a strict ceiling on concurrent tasks. In daily operation, 4GB RAM supports single-purpose deployments and lightweight platforms such as ThinOS, Android, or ChromeOS. It provides sufficient capacity for remote desktop sessions, dedicated signage loops, and low-overhead network packet processing. Devices with 4GB RAM reach memory limits quickly if you run several desktop programs or multiple browser sessions alongside Windows 11. Choosing 4GB RAM suits compact form factors, including stick PCs and fanless thin clients designed for fixed roles.
Worth it if
- You deploy dedicated appliances for routing, digital signage loops, or thin-client terminal access.
- You use lightweight operating systems such as ChromeOS, Android, or specialized Linux builds.
Skip it if
- You keep multiple desktop applications or heavy browser sessions running simultaneously.
- You require expansive local memory headroom for resource-heavy Windows 11 multitasking.
How We Picked These Mini PCs
To build this guide of 15 mini PCs, we select units where the listing specifies 4GB RAM in the title or feature list. All details come directly from published manufacturer specifications, as products are not physically handled. We include only one size or variant per product family to keep your options distinct.
We order the list with products in stock first, then by Amazon sales rank (better-selling products first). Availability updates live on the page and refreshes at least daily so you always see current stock. This spec-based approach helps you evaluate hardware capability directly from official data.
How to Choose a 4GB Mini PC
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Choose the Form Factor
Form factor determines where you can place the system. Stick PCs measure only a few inches and plug directly into display ports, making them suitable for digital signage or media setups behind screens. Compact desktop chassis, such as the Lenovo ThinkCentre Tiny, measure 7.05 by 1.44 by 7.2 inches and offer standard desk placement with conventional ports. Choose a stick PC for hidden installations or a desktop chassis for standard workspaces.
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Check Network Port Speed
Networking hardware directly impacts how fast data transfers across your local network. Many compact computers provide standard Gigabit Ethernet ports for regular office tasks or light web browsing. If you need hardware for high-bandwidth routing or intensive local traffic, look for upgraded multi-gigabit connections. The Protectli Vault 4-Port 2.5G Fanless Mini PC provides four 2.5G LAN ports for faster throughput. Check the port speed specifications to verify they support your desired network bandwidth.
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Evaluate the Cooling Design
Cooling architecture dictates noise output and maintenance needs. Fanless mini PCs use passive heatsinks instead of rotating fans, resulting in completely silent operation. This design prevents mechanical wear and stops dust accumulation inside the case, which benefits dusty environments or continuous 24/7 commercial deployments. The ASUS Fanless Chromebox 4 uses fanless cooling to run silently without airflow noise. If you place your mini PC in a quiet bedroom, recording area, or factory floor, confirm whether the product uses fanless cooling.
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Select the Processor Family
Processor specifications determine how smoothly your machine executes daily instructions alongside 4GB of memory. Entry-level units feature dual-core processors suitable for static digital signage, thin-client terminals, or basic network traffic. For more demanding tasks or responsive edge computing, look for modern quad-core processors. The WEIDIAN Fanless N100 Mini PC includes an Intel N100 processor, offering four processing cores for industrial and computing workloads. Match your processing demands to the CPU family before selecting a system with 4GB RAM.
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Verify the Preinstalled OS
The preinstalled operating system dictates software compatibility right out of the box. Mini PCs in this class ship with varied platforms, including Windows 11 Pro, Windows 10 IoT, Android, or Linux. The UDPTCP Fanless Industrial Mini PC comes configured with Linux for soft routing and industrial control. Other models run Windows environments for desktop productivity. Check the operating system listing to verify that your planned applications are compatible, avoiding the extra step of manually installing a different operating system yourself.
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Consider an Integrated Display
Most mini PCs operate headless and require external computer monitors, HDMI cables, and separate power connections. However, all-in-one models integrate the processing unit directly with a display screen. The HiGOLE 15.6-Inch Fanless Android All-in-One PC features a built-in 15.6-inch touchscreen for dedicated kiosk, commercial, and industrial deployments. If your intended setup requires an interactive customer portal or a compact workstation without extra monitor cabling on the counter, look for hardware that includes an integrated screen.
Frequently asked questions
Can you use a 4GB RAM mini PC as a dedicated hardware firewall?
Yes, 4GB of RAM is well suited for dedicated firewall and router distributions. Systems like the Protectli Vault 4-Port and UDPTCP Fanless Dual LAN Mini PC rely on this memory capacity to manage routing tables and security rules without extra overhead. Hardware options in this category feature dual Gigabit or 2.5G LAN ports, providing dedicated throughput for custom open-source network software.
Which operating systems run on a 4GB RAM mini PC?
You can run lightweight distributions of Linux, Windows 10 IoT, Windows 11 Pro, ChromeOS, or Android on these systems. For instance, the ASUS Fanless Chromebox 4 runs ChromeOS, while the HiGOLE All-in-One PC operates on Android. Hardware terminals like the Dell Wyse utilize ThinOS. Standard desktop Windows 11 runs on models like the Lenovo ThinkCentre Tiny, though multitasking remains strictly bounded by memory capacity.
Do mini PCs with 4GB RAM produce fan noise?
Many 4GB mini PCs operate completely silently because they feature fanless cooling designs. Models such as the HiGOLE Fanless Mini PC Stick, the ASUS Fanless Chromebox 4, and the WEIDIAN Fanless N100 rely on passive heat dissipation through their chassis rather than mechanical fans. This makes them practical options for noise-sensitive workspaces, clean office desks, or continuous audio and video streaming environments.
What processor types are found in mini PCs with 4GB RAM?
These machines typically use low-power, entry-level processors designed for efficiency rather than heavy computing. Across this category, you will find dual-core and quad-core Intel Celeron chips, ARM-based options like the Rockchip RK3399 inside the HiGOLE touch PC, AMD dual-core processors in the Lenovo ThinkCentre, and newer quad-core Intel N100 processors inside units like the WEIDIAN Mini PC and AZULLE stick PCs.
Can a mini PC stick replace a full-sized desktop for basic tasks?
A mini PC stick can replace a traditional desktop only if your workload involves single-window workflows, digital signage, or media viewing. Stick PCs such as the HEIGAOLAPC Fanless Stick and Azulle Access Pro feature 4GB of RAM and 64GB eMMC storage. They plug straight into an HDMI display, saving desk space, but their compact hardware limits heavy file processing or extensive multi-tab browsing.
Can you connect multiple monitors to a 4GB mini PC?
Yes, multi-monitor connectivity depends on the specific video outputs included on the chassis. For example, the ASUS Fanless Chromebox 4 supports triple-display output, allowing you to view three separate screens despite its 4GB memory footprint. Other compact units, such as the HiGOLE Mini PC Stick, offer a single 4K display output suitable for running digital signage, presentations, or standalone kiosk setups.
What storage technologies are used in 4GB mini PCs?
Manufacturers typically pair 4GB RAM configurations with solid-state drives or embedded multimedia cards. You will encounter 64GB eMMC flash memory in compact stick models like the HEIGAOLAPC and HiGOLE sticks. Other models incorporate dedicated solid-state drives, ranging from 32GB SSDs in the Protectli Vault appliances up to 128GB SSDs in the WEIDIAN Fanless N100, providing reliable boot times and silent storage operation.