Supermicro AS-8126GS-TNMR 8x AMD Instinct MI325X (OAM)
Open-accelerator AMD platform with 2TB HBM3e per node
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Configuration at a Glance
Tailored per engagement. Full technical overview below.
Configuration Options
Core specifications for this system. Every component is configurable to your workload — request a quote for a tailored build.
8x AMD Instinct MI325X OAM (256GB HBM3e each, ~2TB total)
2x AMD EPYC 9005/9004 Series (SP5)
Up to 6TB DDR5-6400 ECC RDIMM (24 DIMM slots)
8x 2.5" hot-swap NVMe + 2x SATA + 2x M.2
Overview
The AS-8126GS-TNMR is an 8U dual-socket AMD EPYC platform configured with eight AMD Instinct MI325X OAM accelerators and Infinity Fabric interconnect for memory-rich AI and HPC. Each system is specified, integrated, and validation-tested, then delivered warranty-backed through authorized Supermicro channels.
Who This Solution Is For
Business Benefits
Massive accelerator memory
Eight MI325X accelerators provide 256GB HBM3e each for roughly 2TB of node memory, ideal for large models.
Open-standard OAM design
The Open Accelerator Module form factor supports current and future Instinct GPUs on a standardized baseboard.
Validated and warranty-backed
Delivered pre-configured and burn-in tested with warranty service through authorized Supermicro partners.
Typical Business Use Cases
Large-model training and fine-tuning
Memory-bound inference serving
HPC simulation on ROCm
AMD-standardized AI infrastructure
Industry Applications
Technical Overview
Built on the Supermicro H14 8U GPU architecture, the system mounts an eight-way AMD Instinct MI325X OAM baseboard with dual SP5 AMD EPYC 9005/9004 processors across 24 DDR5 DIMM slots. AMD Infinity Fabric links the accelerators with high-bandwidth peer-to-peer connectivity, and PCIe 5.0 expansion supports high-speed RDMA networking for cluster scaling.
| GPU/Accelerator | 8x AMD Instinct MI325X OAM (256GB HBM3e each, ~2TB total) |
| GPU Interconnect | AMD Infinity Fabric peer-to-peer (8-GPU OAM baseboard) |
| CPU | 2x AMD EPYC 9005/9004 Series (SP5) |
| Memory | Up to 6TB DDR5-6400 ECC RDIMM (24 DIMM slots) |
| Storage | 8x 2.5" hot-swap NVMe + 2x SATA + 2x M.2 |
| Networking/Fabric | 8x PCIe 5.0 x16 LP NIC slots + 2x 10GbE RJ45 |
| Form Factor | 8U rackmount, air-cooled |
| Power | Redundant Titanium-level power supplies |
| Warranty | Manufacturer warranty via authorized channel; extended options available |
Specifications are indicative and configured to each engagement. Request a quote for a configuration tailored to your requirements.
Warranty, Support & Fulfillment
Every system ships from an authorized channel, configured and tested, with the documentation enterprise buyers need — backed by warranty and a dedicated account team.
Enterprise Warranty
Full manufacturer warranty with optional on-site, next-business-day support and extended coverage.
Authorized Channel
Sourced through Tier-1 distribution and OEM partners — never grey market. Asset & warranty records included.
Lead Time & Deployment
48-hour quotes, then configured, burn-in tested, and delivered on a committed schedule.
Nationwide Fulfillment
Coordinated logistics, rack-and-stack, and delivery wherever your infrastructure lives.
Frequently Asked Questions
What software stack does the MI325X use?
AMD Instinct accelerators run the open ROCm software platform, which supports PyTorch, TensorFlow, and major AI and HPC frameworks.
How much accelerator memory does this node offer?
Each MI325X carries 256GB of HBM3e, giving roughly 2TB of aggregate accelerator memory per 8U node for very large models and datasets.
Is this a good fit for diversifying away from a single GPU vendor?
Yes; the open OAM baseboard and ROCm ecosystem provide a high-memory AMD alternative that broadens supplier choice for AI and HPC fleets.
Hardware Assistance
Configure the Supermicro AS-8126GS-TNMR 8x AMD Instinct MI325X (OAM) with Nexus Compute
Tell us your requirements and a hardware specialist will help you specify, configure, and quote the right system — typically within two business days. No obligation.