[ INDIVIDUAL COMPONENT // MOTHERBOARDS ]
GIGABYTE MZ73-LM0 (rev. 1.x)
Dual-socket SP5 E-ATX server board for AMD EPYC 9004 series processors with 24 DDR5 DIMM sockets. This record identifies the stated model/revision; confirm the PCB label and use the matching vendor support files.
REVISION WARNING: Similar model names, board revisions and firmware may differ in CPU support, lane routing or connectors. Identify the silkscreen and assembly code before installation or firmware updates.
Specifications
| Catalog subcategory | Workstation and server boards |
|---|---|
| Exact model / era | GIGABYTE MZ73-LM0 (rev. 1.x) — Dual-socket SP5 E-ATX server board for AMD EPYC 9004 series processors with 24 DDR5 DIMM sockets. (2023) |
| CPU and socket / SoC | Two Socket SP5 AMD EPYC 9004 series processors (one per socket), subject to the GIGABYTE revision-specific CPU list and BIOS. |
| Chipset / platform | Dual AMD EPYC 9004 SoC platform. |
| Memory and ECC | Twenty-four DDR5 ECC Registered DIMM slots, 12-channel per CPU; maximum capacity and supported speed/rank depend on CPU and validated DIMMs. |
| PCIe and form factor | E-ATX; four PCIe 5.0 x16 slots. Additional MCIO links provide expansion/storage connectivity; consult the revision 1.x manual for bifurcation and lane sharing. |
| Storage | One M.2 PCIe 4.0 x4 socket, two MCIO 8i connectors (PCIe 5.0 x8 or SATA mapping), and one SlimSAS 4i SATA connector; supported drive count depends on cabling/configuration. |
| BMC and networking | ASPEED AST2600 BMC and dedicated management interface/IPMI; dual Broadcom 10GbE LAN. |
Compatibility and revision notes
Requires a matched pair of supported EPYC 9004 CPUs (same model recommended by vendor), appropriate SP5 heatsinks and chassis airflow. Memory is registered ECC and 12-channel per socket; populate as documented. Match the PCB revision, BMC and BIOS files; do not use them on similar MZ73 variants.
Socket type, connector shape, chipset branding and CPU family alone do not establish compatibility. Confirm the exact CPU support list, minimum BIOS, ECC/DIMM type and population, shared PCIe/storage lanes, power inputs and dimensions in the linked model-specific vendor documentation.
Preservation and repair
Record the board revision, serial label, BIOS and BMC versions, MAC addresses, attached risers/cables and test conditions before servicing. Use the vendor's socket procedure, ESD-safe handling and correct chassis airflow; do not cross-flash firmware from a related SKU.
Photograph PCB labels, connector condition and accessories before cleaning. Keep BMC access credentials in secure inventory, and never power the board with loose conductive hardware beneath it.
Sources & further reading
- GIGABYTE MZ73-LM0 (rev. 1.x) — manufacturer specifications and product referencePrimary product reference for platform, board configuration and feature summary.
- GIGABYTE MZ73-LM0 (rev. 1.x) — manufacturer support, manual and firmware resourcesUse the exact revision-specific manual, CPU support list and firmware package before service.
Manufacturer model-specific documentation takes precedence. Confirm details for the exact printed board revision.