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Silver 4U rackmount server chassis with front drive bays and rear expansion slots

GIGABYTE

GIGABYTE XL43-ZX0-AAS2 barebone server AMD EPYC 9005 4U 8 GPU

SKU CH-2DX3-QHK47 MPN XL43-ZX0-AAS2

A 4U barebone server supporting dual EPYC 9005 processors, 24 DDR5 DIMMs, eight dual-slot Gen5 GPUs and four 2.5 NVMe bays

  • Dual AMD EPYC 9005 processors deliver massive parallel compute
  • 24 DDR5 RDIMM slots across 12 channels maximise memory bandwidth
  • 8 full-height PCIe Gen5 x16 slots support up to 8 dual-slot Gen5 GPUs
  • 4 hot-swap 2.5" NVMe bays provide high-speed storage flexibility
  • Dual 10 Gb/s LAN ports via Intel X710-AT2 ensure fast network throughput

Dual EPYC 9005 4U server barebone

The GIGABYTE XL43-ZX0-AAS2 is a 4U barebone server built for dual AMD EPYC 9005 series processors. It targets high-performance computing clusters and AI training workloads that demand maximum GPU density. System integrators receive a validated chassis, motherboard and cooling infrastructure ready for custom deployment.

Eight Gen5 GPU slots with 12-channel memory

Eight full-height, full-length PCIe Gen5 x16 slots accept dual-slot GPUs for large-model training. Twelve-channel DDR5 RDIMM architecture across 24 DIMM slots feeds both CPUs with high bandwidth. Four 2.5-inch Gen5 NVMe hot-swap bays and two M.2 PCIe Gen3 slots provide local storage without occupying GPU lanes. Dual 10 Gb/s LAN ports via Intel X710-AT2 handle cluster interconnects.

Sustained multi-GPU thermal design

The 4U form factor and integrated airflow path are engineered to dissipate continuous heat from eight double-width accelerators running at full load. Redundant power delivery supports uninterrupted operation during extended training runs. Builders who need more than eight GPUs per node or single-socket configurations should evaluate alternative platforms.

Highlights

  • Dual AMD EPYC 9005 processors deliver massive parallel compute
  • 24 DDR5 RDIMM slots across 12 channels maximise memory bandwidth
  • 8 full-height PCIe Gen5 x16 slots support up to 8 dual-slot Gen5 GPUs
  • 4 hot-swap 2.5" NVMe bays provide high-speed storage flexibility
  • Dual 10 Gb/s LAN ports via Intel X710-AT2 ensure fast network throughput

Specifications

No published specifications for this item yet.

Questions about this item

How many GPUs can the XL43-ZX0-AAS2 sustain at full PCIe Gen5 x16 bandwidth?

The chassis provides eight full-height full-length PCIe Gen5 x16 slots, each wired for a dual-slot GPU, so all eight GPUs can run at full x16 speed simultaneously.

What is the thermal design power envelope when both EPYC 9005 CPUs and eight GPUs run continuously?

The 4U MGX platform uses high-airflow front-to-rear cooling tuned for dual EPYC 9005 processors plus eight Gen5 GPUs; specific wattage depends on the exact CPU and GPU models selected.

Which memory modules must I populate before the system will POST?

You need DDR5 RDIMMs — up to 24 modules across 12 channels per processor — installed in the supported configurations for the EPYC 9005 series.

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