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Green Micro-ATX server board with silver LGA 1851 socket and four black DDR5 DIMM slots

ASRock Rack

ASRock Rack W880D4U server motherboard LGA 1851 DDR5 5600 48GB

SKU CH-SMDA-PMF9S MPN W880D4U

Micro-ATX board for Intel Core Ultra Series 2 CPUs with DDR5 ECC support up to 48GB and dual 1GbE LAN

  • ProcessorSupports Intel® Core™ Ultra
  • Form factorMicro ATX
  • CPU socketSingle Socket LGA 1851
  • Network speed1 GB
  • Supported CPU count1
  • Supported memoryDDR5 5600, DDR5 4800, DDR5 4400
  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • DDR5 5600 memory with ECC up to 48 GB capacity
  • PCIe 5.0 x16 slot plus PCIe 5.0 x4 for high-speed expansion
  • Dual 1 GbE LAN ports powered by Intel I210 controllers
  • Micro-ATX 9.6 inch form factor fits compact server chassis

Single-socket LGA 1851 server board

The ASRock Rack W880D4U is a Micro-ATX motherboard built for Intel Core Ultra desktop processors (Series 2). It provides one LGA 1851 socket, four DDR5 DIMM slots and a compact 9.6-inch square form factor. The board targets embedded and edge deployments needing server-grade features in a small chassis.

Suits ECC memory and PCIe 5.0 expansion

This board fits builders who want DDR5 ECC UDIMM support up to 48GB and a PCIe 5.0 x16 slot for accelerators or high-speed NICs. Dual 1 GbE ports and eight SATA 6 Gb/s ports cover basic networking and storage. Buyers needing 10 GbE, more than 48GB RAM, or multiple CPU sockets should look elsewhere.

48GB DDR5 5600 ceiling

Maximum supported memory is 48GB across four slots at speeds up to DDR5 5600. This cap decides whether the platform can hold the working set for your workload; larger datasets will require a different motherboard.

How it compares

Measured against everything we stock in Server & Workstation Boards, at today’s prices. Recalculated every night.

Price $302.99
Pricier than about 60% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameAsRock Rack
Model nameW880D4U
Part numberW880D4U
Processor
ProcessorSupports Intel® Core™ Ultra
CPU socketSingle Socket LGA 1851
Supported CPU count1
Memory
Supported memoryDDR5 5600, DDR5 4800, DDR5 4400
Max supported RAM48 GB
ECC supportYes
Connectivity
Network speed1 GB
Ethernet controllerIntel I210
Second LAN controller1 GB
Ports & slots
PCIe 5.0 x16 slots1
Size & build
Form factorMicro ATX
Shipping weight1.27 kg
Package size305 × 286 × 70 mm

Questions about this item

Will the four DDR5 DIMM slots need firmware updates to keep 48 GB running at 5600 MT/s?

The board supports DDR5 5600, 4800 and 4400 with ECC or non-ECC UDIMMs up to 48 GB total; no maintenance beyond standard BIOS updates is required.

What limits sustained throughput on the single PCIe 5.0 x16 slot and the MCIO connectors?

One PCIe 5.0 x16 slot, one PCIe 5.0 x4, one MCIO for PCIe 5.0 x8 or dual x4, and one MCIO for dual PCIe 4.0 x4 set the bandwidth ceiling.

How much power do the dual Intel I210 1 GbE ports and eight SATA 6 Gb/s ports add under continuous load?

The board draws power from an ATX PSU or 12 V DC-in; the two 1 GbE controllers and eight SATA ports add minimal draw compared with the CPU and memory.

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