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Black square mini PC barebone with top ventilation grill

ASRock Industrial

ASRock Industrial 4X4 BOX-8840U barebone mini PC

SKU CH-3PDZ-6GPMW MPN 4X4 BOX-8840U

Barebone mini PC with AMD Ryzen 7 8840U, Radeon graphics, dual DDR5 SO-DIMM slots up to 96 GB, two USB4 ports, dual M.2 Key M slots, 2.5 GbE plus Gigabit LAN, Wi-Fi 6E and Bluetooth 5.2

  • ColorBlack
  • CPU TypeAMD Ryzen 7 8840U
  • Memory installedNo Memory
  • Memory slot2 x 262Pin SO-DIMM
  • Memory Type SupportedDDR5 5600
  • Max Memory Supported96GB

CPU Type AMD Ryzen 7 8840U

  • AMD Ryzen 7 8840U with 8 Zen 4 cores and 16 threads for high multi-thread performance
  • AMD Radeon 700M graphics with Ryzen AI up to 39 total TOPS for accelerated generative AI workloads
  • Dual-channel DDR5 5600 SO-DIMM slots supporting up to 96 GB for fast memory bandwidth
  • Dual M.2 Key M slots with PCIe Gen4 x4 for high-speed SSD expansion
  • 5 GbE and 1 GbE LAN plus Wi-Fi 6E and Bluetooth 5.2 for versatile connectivity

AMD Ryzen 7 8840U barebone mini PC

The ASRock Industrial 4X4 BOX-8840U is a compact barebone system built around an AMD Ryzen 7 8840U processor with 8 Zen 4 cores and 16 threads. It targets builders who want a small-footprint platform for AI-accelerated workloads, multi-display setups or general productivity. Memory, storage and an operating system must be supplied by the buyer.

Sustained-load behaviour

The integrated AMD Radeon 700M graphics and a 16 TOPS NPU combine for 39 total TOPS, delivering a 1.6x uplift in AI throughput versus the previous generation. Dual-channel DDR5 5600 support up to 96 GB helps keep data flowing during extended inference or rendering sessions, while the fanned chassis is designed to dissipate heat continuously rather than throttle under prolonged load.

Compatibility checks before ordering

Verify that your chosen SO-DIMM modules are DDR5 5600 and do not exceed 48 GB per slot for the 96 GB maximum. Confirm the M.2 Key M drives you intend to use match the 2242 or 2280 form factors supported by the two PCIe Gen4x4 slots. The 19 V power adapter is included, so ensure your AC mains cable suits the local socket. Quad-display output requires monitors compatible with HDMI 2.1 or DisplayPort 1.4a over the two USB4 Type-C ports.

Points forts

  • AMD Ryzen 7 8840U with 8 Zen 4 cores and 16 threads for high multi-thread performance
  • AMD Radeon 700M graphics with Ryzen AI up to 39 total TOPS for accelerated generative AI workloads
  • Dual-channel DDR5 5600 SO-DIMM slots supporting up to 96 GB for fast memory bandwidth
  • Dual M.2 Key M slots with PCIe Gen4 x4 for high-speed SSD expansion
  • 5 GbE and 1 GbE LAN plus Wi-Fi 6E and Bluetooth 5.2 for versatile connectivity

Caractéristiques

BrandASRock Industrial
Model4X4 BOX-8840U
ColorBlack
CPU TypeAMD Ryzen 7 8840U
Memory installedNo Memory
Memory slot2 x 262Pin SO-DIMM
Memory Type SupportedDDR5 5600
Max Memory Supported96GB
Dual Channel Memory SupportedYes
Storage InstalledNo Hard Drive
M.2 Slot1 x M.2 (KEY M, 2242/2280) with PCIe Gen4x4 for SSD
1 x M.2 (KEY M, 2242) with PCIe Gen4x4 for SSD
Integrated GraphicsAMD Radeon Graphics
Onboard AudioRealtek ALC256
LANLAN1: Realtek RTL8125BG with 10/100/1000/2500 Mbps
LAN2: Realtek RTL8111H with 10/100/1000 Mbps
Max LAN Speed2.5Gbps
Wireless LAN802.11ax
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.2
Front USB1 x USB 3.2 Gen2 (Type-A)
2 x USB4 (Supports DP1.4a display output)
Front Audio Ports1 (headphone & microphone jack)
HDMI2 x HDMI 2.1
RJ451 x 1 Gigabit LAN, 1 x 2.5 Gigabit LAN
Power Supply12V~24V DC-In Jack
Dimensions4.63" x 4.33" x 1.93"
Weight2.2 lbs.
Packaging1 x 19V/120W Power Adapter (Ryzen 7)
1 x VESA mount bracket
Poids d’expédition1.41 kg
Dimensions du colis229 × 140 × 114 mm

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Questions sur cet article

Does the 4X4 BOX-8840U run loudly or get hot when the Ryzen 7 8840U is under sustained load?

The unit uses an active cooling system designed for the 19V power adapter and the 8-core Zen 4 processor, keeping thermals in check during extended workloads.

Which DDR5 SO-DIMMs and M.2 SSDs do I need to add before the 4X4 BOX-8840U will boot?

You must supply two 262-pin DDR5 5600 SO-DIMMs up to 48GB each and one or two PCIe Gen4 x4 M.2 2242 or 2280 SSDs; no memory or storage is included.

Can I keep my 1Gbps switch and older USB 3.0 peripherals while using the 4X4 BOX-8840U?

Yes, the RTL8111H LAN port negotiates down to 1Gbps, front USB 3.2 Gen2 and two USB 2.0 ports are backward compatible, and HDMI 2.1 works with existing monitors.

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