Supermicro
Supermicro AS-A126GS-TNBR-G1-OTO-3 rack server Dual EPYC 9575F 64-core 3.3 GHz 8 GPU
A 126-bay GPU server with dual 64-core EPYC 9575F CPUs at 3.3 GHz, 128 threads, 256 MB cache, eight SXM accelerators, 24 DDR5 slots at 6400 MT/s, ten PCIe 5.0 x16 slots, dual 10G networking.
- Dual EPYC 9575F CPUs deliver 128 threads for massive parallel workloads
- Eight SXM GPU accelerators provide dense compute power in air-cooled design
- 24 DDR5 slots at 6400 MT/s enable up to 6 TB memory capacity
- Ten PCIe 5.0 x16 slots give extensive high-speed expansion flexibility
- Eight NVMe plus two SATA hot-swap bays offer versatile storage configuration
Dual EPYC 9575F GPU server
The Supermicro AS-A126GS-TNBR-G1-OTO-3 is a rack-mounted server system built around two AMD EPYC 9575F processors. Each CPU delivers 64 cores and 128 threads at 3.3 GHz with 256 MB cache. The platform targets organisations running large-scale AI training, high-performance computing or dense virtualisation workloads that demand maximum parallel throughput.
Air-cooled SXM GPU density
Eight onboard SXM GPU accelerators are cooled by air inside a single chassis, removing the need for external liquid infrastructure. Storage access comes from eight front hot-swap 2.5" NVMe bays plus two hot-swap 2.5" SATA bays. Networking uses dual 10G ports based on the X710 controller, while management runs through a dedicated IPMI interface. Expansion includes 10 PCIe 5.0 x16 slots split between low-profile and full-height half-length form factors.
Memory capacity and upgrade path
The board provides 24 DIMM slots supporting 6400 MT/s DDR5 up to 6 TB total when populated at one DIMM per channel. This configuration suits buyers who need maximum memory bandwidth per core rather than absolute capacity beyond 6 TB. The dual EPYC 9004/9005 series socket design allows processor upgrades within the same generation family, extending service life for clusters that standardise on this socket platform.
Highlights
- Dual EPYC 9575F CPUs deliver 128 threads for massive parallel workloads
- Eight SXM GPU accelerators provide dense compute power in air-cooled design
- 24 DDR5 slots at 6400 MT/s enable up to 6 TB memory capacity
- Ten PCIe 5.0 x16 slots give extensive high-speed expansion flexibility
- Eight NVMe plus two SATA hot-swap bays offer versatile storage configuration
Specifications
No published specifications for this item yet.
Questions about this item
What PCIe generation do the sixteen x16 slots use, and what bandwidth does that cap each GPU at?
All sixteen x16 slots run at PCIe 5.0, giving each GPU up to 128 GB/s of bidirectional bandwidth.
How many 2.5-inch drive bays are provided, and what mix of NVMe and SATA do they support?
Ten front hot-swap bays — eight wired for NVMe and two for SATA.
How are the eight GPUs installed, and what alignment step is most often missed?
The GPUs are factory-mounted on SXM modules; the critical step is seating each module fully into its socket before tightening the retention screws.
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