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4U silver rack server chassis with front drive bays

GIGABYTE

GIGABYTE G494-ZB4-AAP2 barebone server AMD EPYC 9005 9004 8 GPU 12 48 2.5 200 350

SKU CH-CRTB-A1C1M MPN G494-ZB4-AAP2

4U barebone server holding dual AMD EPYC 9004/9005 CPUs, 48 DDR5 DIMM slots, twelve 2.5-inch NVMe/SATA/SAS bays and eight PCIe Gen5 GPUs with NVLink bridges

  • Supports 8 NVIDIA H200 NVL GPUs with 4-way NVLink bridges
  • Dual AMD EPYC 9005 and 9004 series processors deliver high compute density
  • 12-channel DDR5 memory with 48 DIMM slots for large capacity
  • 12 hot-swap 2.5-inch bays accept NVMe, SATA and SAS drives
  • Dual ROM architecture adds firmware resilience

Optimized for NVIDIA OVX workloads

This 4U barebone server is built around dual AMD EPYC 9005 and 9004 series processors. It supports eight NVIDIA H200 NVL PCIe GPUs connected by four-way NVLink bridges. The platform targets high-performance computing and artificial intelligence clusters that require dense GPU acceleration.

Twelve-channel DDR5 with 48 DIMM slots

Memory capacity scales across 48 RDIMM slots in a 12-channel arrangement per processor pair. Storage density comes from twelve 2.5-inch hot-swap bays accepting Gen5 NVMe, SATA or SAS-4 drives. Two M.2 slots with PCIe Gen3 x4 interfaces add boot or caching flexibility. Dual 1GbE LAN ports via Intel I350-AM2 handle management and data traffic.

Dual ROM architecture aids firmware resilience

The board includes dual ROM architecture to support secure and recoverable firmware updates during sustained operation. Eight full-size GPUs draw continuous power and generate significant heat, demanding robust cabinet airflow and power distribution. Builds requiring more than twelve front drive bays or higher single-port network throughput will need a different chassis.

Highlights

  • Supports 8 NVIDIA H200 NVL GPUs with 4-way NVLink bridges
  • Dual AMD EPYC 9005 and 9004 series processors deliver high compute density
  • 12-channel DDR5 memory with 48 DIMM slots for large capacity
  • 12 hot-swap 2.5-inch bays accept NVMe, SATA and SAS drives
  • Dual ROM architecture adds firmware resilience

Specifications

No published specifications for this item yet.

Questions about this item

How many DIMM slots limit memory capacity under sustained load?

The board provides 48 DDR5 RDIMM slots across 12 channels, so memory capacity is capped by that slot count.

What is the GPU thermal design power the chassis is built to handle all day?

The system supports eight GPUs rated up to 350 W each, and the 4U cooling layout is designed for that sustained heat output.

Which CPU generation must already be on hand for the dual-socket board to post?

The dual SP5 sockets require AMD EPYC 9004 or 9005 series processors; without them the server will not boot.

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