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Server System configurator/ABS
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ASRock Rack Server Motherboard W880M WS Micro-ATX Single Socket LGA 1851 Intel Core Ultra Desktop Processors (Series 2) - OEM

  • Support ATX PSU or 12V DC-in
  • Micro-ATX (9.6" x 9.6")
  • Supports Intel Core Ultra Desktop Processors (Series 2)
  • 4 DIMM slots (2DPC), supports DDR5 ECC/non-ECC UDIMM Memory
  • 1 PCIe5.0 x16, 1 PCIe5.0 x4
  • 1 MCIO (PCIe5.0 x8 or 2 PCIe5.0 x4), 1 MCIO (2 PCIe4.0 x4)
  • Supports 2 M.2 (PCIe4.0 x4)
  • 8 SATA 6Gb/s
  • 2 RJ45 (1GbE) by Intel i210
  • 1 HDMI, 1 DisplayPort
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Learn more about the ASRock Rack W880M WS

Best Seller Ranking #37 in Server Motherboards
Model
Brand ASRock
Model W880M WS
Supported CPU
CPU Socket Type LGA 1851
CPU Type Intel Core Ultra Processors (Series 2)
Number of Processor Support 1
Chipsets
North Bridge Intel W880
Memory
Memory Slots 4 x DDR5 288-pin
Memory Standard DDR5 5600
Maximum Memory Supported 48GB
ECC Supported Yes
Expansion Slots
PCI Express 5.0 x16 SLOT6: PCIe5.0 x16 [CPU]*
*MCIO1 shared lanes x8 with SLOT6. To enable MCIO1, BIOS settings are required.
PCI Express x4 SLOT4: PCIe5.0 x4 [CPU]
Storage Devices
SATA 8 x SATA 6.0Gb/s
SATA RAID 0/1/5/10
M.2 1 M-key (PCIe4.0 x4), supports 2280 form factor [CPU]
1 M-key (PCIe4.0 x4), supports 2280 form factor [PCH]
Onboard LAN
LAN Chipset Intel I210
LAN Speed 10/100/1000Mbps
Max LAN Speed 1Gbps
Rear Panel Ports
Back I/O Ports 1 x DisplayPort / 1 x HDMI / 2 x LAN (RJ45) / 2 x USB 3.2 Gen 1 Type-A
Onboard Ports
Onboard USB USB 3.2 (Gen1) Header: 1 header (19-pin, 2 USB3.2 Gen1)
USB 2.0 Header: 1 header (9-pin, 2 USB2.0)
Other Connectors Power Connector: 1 Micro-Fit (4-pin, ATX PSU signal) w/ ATX 24-pin adapter cable, 3 (8-pin, ATX 12V) support 12V DC-in
Other Power Connectors: 1 (6-pin) for HDD power when using 12V DC-in power source
Auxiliary Panel Header: 1 (9-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate
System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
COM Header: 1 (9-pin)
Speaker Header: 1
Fan Header: 7 (4-pin)
Thermal Sensor Header: 1
TPM Header: 1 (13-pin, SPI)
SGPIO Header: 1
Clear CMOS: 1 (2-pin)
NMI Header: 1
Features
BIOS Feature AMI 256Mb SPI Flash ROM
Plug and Play, ACPI 6.4 and above compliance wake up events, SMBIOS 2.3 and above, ASRock Rack Instant Flash
Dimensions
Form Factor Micro ATX
Dimensions (W x L) 9.6" x 9.6"
Additional Information
First Listed on Newegg November 03, 2025

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

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  • Return for refund until: January 31, 2026
  • Return for replacement until: January 31, 2026
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The ASRock Rack W880M WS is a micro-ATX, single-socket server motherboard for Intel Core Ultra Desktop Processors (Series 2), with DDR5 ECC/non-ECC UDIMM support, PCIe 5.0 expansion, and eight SATA ports. It suits compact servers and workstations that need memory options and flexible storage connectivity.

Recommended For

  • Workstation builders who need a compact Micro-ATX system for professional compute tasks and want the option of DDR5 ECC memory with an Intel Core Ultra Series 2 processor.
  • Home-lab and small-server builders who need a compact platform for multiple SATA drives, with two 1GbE ports for basic wired network connections.
  • Storage-focused system builders who want eight onboard SATA ports plus two M.2 slots for a mixed-drive workstation or storage server.
  • System integrators designing space-constrained builds who can use Micro-ATX and want the option of ATX PSU or 12V DC-in power.

Real-World Use Scenarios

  • For a compact Linux workstation running code builds, compression, or video-encoding jobs, pair the board with a compatible Core Ultra processor; a published Debian 13 benchmark run shows this model being used for those kinds of workloads, though it does not establish performance for every configuration.
  • For a professional workstation where memory error correction is a requirement, build around supported ECC UDIMMs; the board provides an ECC-capable platform, subject to compatible processor, memory, and system configuration.
  • For a workstation or small storage server that needs several internal drives, use the M.2 slots for fast system or project storage and the SATA connections for additional drives; the board offers room for a multi-drive layout, with capacity and RAID behavior depending on the drives and software configuration.
  • For a compact workstation build with a dedicated graphics card, use the full-length PCIe slot and connect displays to the graphics card or the board’s display outputs as appropriate for the chosen processor; check lane-sharing requirements before adding an MCIO device.
  • For a small lab host that needs two wired network connections, the dual 1GbE ports can connect the system to separate networks when configured in software; they are gigabit ports, so this is not a built-in multi-gigabit networking solution.

Spec Summary

AttributeValue
Best ForSingle-socket Intel Core Ultra Series 2 server builds requiring ECC-capable DDR5 memory and SATA or M.2 storage
Processor And PlatformLGA 1851 single-socket platform for Intel Core Ultra Processors (Series 2), with an Intel W880 chipset
Memory ConfigurationFour DDR5 288-pin slots supporting DDR5 5600 memory, up to 48GB total, with ECC support
Expansion SlotsOne CPU-connected PCIe 5.0 x16 slot and one CPU-connected PCIe 5.0 x4 slot; MCIO1 shares x8 lanes with the x16 slot and requires BIOS settings to enable
StorageEight SATA 6Gb/s ports with RAID 0/1/5/10 support, plus two M-key PCIe 4.0 x4 M.2 sockets supporting 2280 drives—one CPU-connected and one PCH-connected
Networking And I/ODual Intel I210 Gigabit Ethernet (10/100/1000Mbps); rear I/O includes HDMI, DisplayPort, two RJ45 ports, and two USB 3.2 Gen 1 Type-A ports
USB ConnectivityInternal headers provide two USB 3.2 Gen 1 ports and two USB 2.0 ports
PowerSupports an ATX PSU or 12V DC-in; includes a 4-pin Micro-Fit ATX PSU signal connector with 24-pin adapter cable, three 8-pin ATX 12V connectors, and a 6-pin HDD power connector for 12V DC-in use
Internal Headers And ConnectorsIncludes auxiliary panel and system panel headers, a COM header, speaker header, seven 4-pin fan headers, thermal sensor header, 13-pin SPI TPM header, SGPIO header, clear-CMOS jumper, and NMI header
BIOS And System ManagementAMI 256Mb SPI Flash ROM with Plug and Play, ACPI 6.4-and-above wake events, SMBIOS 2.3-and-above, and ASRock Rack Instant Flash
Form Factor And DimensionsMicro ATX, measuring 9.6 × 9.6 inches
Model IdentifiersASRock W880M WS