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Silver 2U rack server barebones chassis with front drive bays

GIGABYTE

GIGABYTE R263-ZG0-ACL2 barebone server EPYC 9004 9005 24 DIMMs 4 GPU slots

SKU CH-TFWE-09B7J MPN R263-ZG0-ACL2

A 2U barebone server supporting a single AMD EPYC 9004 or 9005 processor with 24 DDR5 DIMM slots and four full-height GPU slots

  • Supports four dual-slot Gen5 GPUs for accelerated workloads
  • Single AMD EPYC 9005 or 9004 processor delivers high core density
  • 24 DDR5 RDIMM slots across 12 channels maximise memory capacity
  • 12 hot-swap bays accept 3.5 or 2.5 inch NVMe, SATA or SAS drives
  • Dual ROM architecture adds firmware redundancy for uptime

AMD EPYC 9004 and 9005 single-socket barebone

This 2U rackmount barebone is built around a single AMD EPYC 9004 or 9005 series processor. It provides twelve DDR5 channels populated through twenty-four DIMM slots. The chassis includes twelve hot-swap bays that accept 3.5-inch or 2.5-inch drives with NVMe, SATA or SAS-4 interfaces. Two M.2 slots use a PCIe Gen3 x2 connection.

GPU density and PCIe Gen5 layout

The system targets workloads that need up to four dual-slot GPUs with full PCIe Gen5 x16 bandwidth in a compact 2U form factor. An additional full-height half-length PCIe Gen5 x16 slot is available for networking or storage expansion. Buyers who need dual-socket scaling or more than four GPU slots should consider other platforms.

Single-socket EPYC constraint

The platform supports only one AMD EPYC 9004 or 9005 processor, which fixes the maximum core count, memory capacity and PCIe lane budget at the single-socket limit. This specification determines whether the server fits the intended workload.

Highlights

  • Supports four dual-slot Gen5 GPUs for accelerated workloads
  • Single AMD EPYC 9005 or 9004 processor delivers high core density
  • 24 DDR5 RDIMM slots across 12 channels maximise memory capacity
  • 12 hot-swap bays accept 3.5 or 2.5 inch NVMe, SATA or SAS drives
  • Dual ROM architecture adds firmware redundancy for uptime

Specifications

No published specifications for this item yet.

Questions about this item

How many PCIe Gen5 lanes does each of the four GPU slots provide?

Each of the four full-height full-length slots runs at PCIe Gen5 x16, giving every installed GPU the full 16-lane bandwidth.

What rail or chassis depth is required to mount this 2U barebones?

The unit fits a standard 2U rack opening; ensure the cabinet provides enough depth for the 12 front drive bays and the rear GPU zone.

What is the correct order for populating the 24 DDR5 DIMM slots on the single EPYC processor?

Fill the 12 memory channels sequentially — one DIMM per channel first, then add the second DIMM to each channel, following the silkscreen numbering.

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