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Large 8U rackmount chassis with front drive bays and rear expansion slots

Supermicro

Supermicro AS-8125GS-TNHR barebone server 8U 8-GPU 24 DIMM 12 NVMe 2.5 SATA 8 PCIe 5.0

SKU CH-F7DH-N9GPR MPN AS-8125GS-TNHR

8U barebone server supporting eight GPUs with NVLink and NVSwitch, 24 DDR5 DIMM slots, 12 hot-swap NVMe bays, 2 hot-swap SATA bays, and eight PCIe 5.0 slots

  • High-density 8U design houses eight NVIDIA HGX H100/H200 GPUs
  • NVLink and NVSwitch deliver maximum GPU-to-GPU bandwidth
  • Eight NICs enable 1:1 GPU-direct RDMA connectivity
  • Twenty-four DDR5 DIMM slots support up to 6 TB ECC memory at 4800 MT/s
  • Twelve hot-swap 2.5 NVMe bays plus two SATA bays provide fast, flexible storage

High-density 8U GPU server

The Supermicro AS-8125GS-TNHR is an 8U barebones system built for NVIDIA HGX H100 and H200 8-GPU configurations. It delivers maximum GPU-to-GPU bandwidth through NVLink and NVSwitch interconnects. Eight network interfaces provide a 1:1 GPU ratio for direct RDMA transfers. Twenty-four DDR5 DIMM slots support up to 6TB of 4800MT/s ECC memory.

Suited for large-scale AI training clusters

This platform targets organisations deploying dense GPU compute for deep learning and high-performance workloads. It fits racks that can supply the power and cooling an 8-GPU HGX baseboard demands. Buyers who need a smaller footprint or fewer GPU slots should evaluate alternative form factors. Teams without specialised rack infrastructure will find deployment impractical.

12 front hot-swap NVMe bays

Twelve 2.5-inch NVMe drive bays provide high-throughput local storage directly accessible to the GPU complex. Two additional 2.5-inch SATA bays handle boot or auxiliary volumes. Four optional NVMe bays can be added for expanded capacity. Eight PCIe 5.0 x16 low-profile and four full-height slots complete the I/O expansion.

How it compares

Measured against everything we stock in Barebone Servers & DIY Kits, at today’s prices. Recalculated every night.

Price $244,569.99
Pricier than about 95% of the 532 comparable items (median $2,503.49).

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Specifications

Size & build
Shipping weight20.87 kg
Package size1219 × 711 × 198 mm

Questions about this item

What components come with the AS-8125GS-TNHR barebone and what must I purchase separately?

The 8U chassis, motherboard, power supplies and cooling for the NVIDIA HGX H100/H200 8-GPU platform are included; you must add DDR5 memory modules, NVMe and SATA drives, GPU baseboards and any networking cards.

How should I choose between the H100 and H200 versions for the 8-GPU HGX platform?

Both H100 and H200 are supported on the same HGX baseboard; select H200 when you need the larger HBM3e memory capacity for bigger models, otherwise H100 covers the same 8-GPU NVLink and NVSwitch topology.

What does the 24 DIMM slot, 4800 MT/s DDR5 figure mean for actual memory capacity in this server?

With 24 slots populated you can reach up to 6 TB of ECC LRDIMM or RDIMM running at 4800 MT/s, giving maximum bandwidth for the 8-GPU HGX H100/H200 platform.

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