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Silver 4U rackmount barebones chassis with front drive bays and rear power supplies

ASRock Rack

ASRock Rack 4U8G-TURIN2/RF barebone server 4U 8 GPU 20×2.5 SATA 4×NVMe

SKU CH-MBZX-H27HC MPN 4U8G-TURIN2/RF

A 4U barebone server supporting dual AMD EPYC processors with eight full-height GPU slots, twenty SATA and four NVMe drive bays, plus twelve DDR5 memory channels

  • Enhanced airflow cools 600W GPUs reliably
  • 2700W 80-PLUS Titanium 3+1 CRPS power supply
  • Dual SP5 sockets support AMD EPYC 9005/9004 processors
  • 12+12 DDR5 RDIMM slots in 1DPC configuration
  • 20 SATA plus 4 NVMe 2.5 hot-swap drive bays

Dual-Socket SP5 Barebone

The ASRock Rack 4U8G-TURIN2/RF is a 4U rackmount server barebone built around two SP5 sockets for AMD EPYC 9004 and 9005 series processors. It targets organisations that need dense GPU acceleration and high-capacity storage in a single chassis. Twelve DIMM channels per socket support DDR5 RDIMM and RDIMM-3DS memory configurations.

Replaces Multi-Node GPU Clusters

This platform consolidates workloads that previously required several 1U or 2U nodes linked by fabric. Eight full-height dual-slot PCIe 5.0 x16 slots accept 600 W accelerators, while twenty hot-swap 2.5 inch SATA bays and four NVMe bays provide local data capacity. The jump makes sense when a single 4U enclosure can replace a rack of smaller servers.

Sustained 600 W GPU Cooling

Enhanced airflow paths and a 3+1 redundant 2700 W 80-PLUS Titanium power supply keep eight 600 W GPUs stable under continuous compute load. The CRPS design maintains delivery without throttling during long training or inference runs. One OCP NIC 3.0 slot and two M.2 sockets remain available for networking and boot devices.

Highlights

  • Enhanced airflow cools 600W GPUs reliably
  • 2700W 80-PLUS Titanium 3+1 CRPS power supply
  • Dual SP5 sockets support AMD EPYC 9005/9004 processors
  • 12+12 DDR5 RDIMM slots in 1DPC configuration
  • 20 SATA plus 4 NVMe 2.5 hot-swap drive bays

Specifications

No published specifications for this item yet.

Questions about this item

What rack depth and power circuits does the 4U8G-TURIN2/RF require?

The 4U chassis fits a standard rack and draws up to 2700 W from its 3+1 redundant 80-PLUS Titanium CRPS supplies; plan for two independent PDU feeds.

How are the eight full-height dual-slot GPUs seated in the PCIe 5.0 x16 slots, and what step is often missed?

Install each GPU into a PCIe 5.0 x16 slot, secure the rear bracket screws, then connect the 600 W auxiliary power cables — skipping the power cables is the common error.

Which drive bays and memory slots will need attention over time?

Twenty hot-swap 2.5" SATA bays, four hot-swap NVMe bays, two M.2 sockets and twenty-four DDR5 DIMM slots are all field-replaceable; fans and PSU modules are also hot-swap.

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