Asrock Rack Z890D4U Micro-ATX Server Motherboard Single Socket (LGA 1851) Intel® Core™ Ultra Desktop Processors (Series 2)

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1. Support ATX PSU or 12V DC-in
2. Micro-ATX (9.6" x 9.6")
3. Supports Intel® Core™ Ultra Desktop Processors (Series 2)
4. 4 DIMM slots (2DPC), supports DDR5 non-ECC UDIMM, CUDIMM Memory
5. 1 PCIe5.0 x16*, 1 PCIe5.0 x4
6. 1 MCIO (PCIe5.0 x8 or 2 PCIe5.0 x4)*, 1 MCIO (2 PCIe4.0 x4)
7. Supports 2 M.2 (PCIe4.0 x4)
8. 8 SATA 6Gb/s
9. 2 RJ45 (1GbE) by Intel® i210
10. 1 HDMI, 1 DisplayPort
11. Remote management (IPMI)

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The ASRock Rack Z890D4U is a Micro-ATX server motherboard for Intel Core Ultra Desktop Processors (Series 2), suited to compact server builders who need IPMI remote management, eight SATA ports, and dual 1GbE networking.

Recommended For

Homelab builders who want to manage a compact, always-on server remotely—including firmware-level access, virtual media, and troubleshooting without being physically at the machine.
Small-server and NAS builders who need a Micro-ATX platform with multiple SATA drives and additional storage or expansion options through MCIO.
System integrators building compact servers or workstations around an Intel Core Ultra Series 2 desktop processor who want server-oriented remote management in a 9.6-inch-square board.
Builders who can use standard non-ECC DDR5 memory and want a server motherboard with two onboard 1GbE ports plus a dedicated IPMI management connection.

Real-World Use Scenarios

For a home lab or small server that needs remote administration, use IPMI to check and manage the system without relying on a monitor and keyboard at the machine; this can make routine maintenance easier when the server is out of the way.
For a compact NAS or file server, connect several SATA drives for shared storage and use the two M.2 sockets for local SSD storage; the Micro-ATX board can fit builds where a full-size server motherboard is impractical.
For a small self-hosted services or test server, build around a supported Core Ultra desktop processor and manage the system remotely; the likely fit is a single-socket setup rather than a multi-processor server.
For a storage or I/O-focused build, use the expansion connections to add compatible storage or other PCIe devices; check lane sharing and BIOS settings during planning, since some configurations share resources.
For a compact workstation or utility server that sometimes needs local setup or troubleshooting, connect a display directly to the board and use a compatible Core Ultra processor; this provides a local-console option alongside remote management.

Spec Summary

Attribute	Value
Best For	Server builds using compatible Intel Core Ultra processors on an LGA 1851 Micro-ATX motherboard
Processor And Platform	Intel Z890 chipset with a Socket LGA 1851 processor socket for Intel Core Ultra processors
Memory Configuration	Four DDR5 memory slots, supporting up to 128 GB with a 6 GHz memory clock speed
Expansion	Two PCIe ports with a PCI Express graphics card interface
Model Identifiers	ASRock Rack Z890D4U

Item#: N82E16813140168