Supermicro
Supermicro AS -8125GS-TNMR2-G1 8U rack server dual EPYC 9654 96-core 2.4GHz 2.3TB DDR5 1.9TB NVMe 8x MI300X
8U rack server with dual 96-core EPYC processors, 2.3TB DDR5 memory, 1.9TB NVMe storage and eight MI300X GPUs
- WorkloadGeneral Purpose Server
- TypeRack
- Rack Height8U
- LEDsHard drive activity LED Network activity LEDs Power status L
- CPU TypeAMD EPYC 9004 Series
- CPU Speed9654 (2.40 GHz)
- Dual EPYC 9654 CPUs deliver 96 cores at 2.4GHz for heavy compute
- Eight AMD Instinct MI300X GPUs provide 192GB each for massive AI workloads
- 3TB DDR5-5600 memory installed across 24 slots with 6TB maximum capacity
- 9TB U.2 NVMe SSD plus 12 front hot-swap NVMe bays for fast storage scaling
- Four single 400GbE QSFP112 and one dual 10GbE RJ45 ports for high-speed networking
Dual EPYC 9654 server for dense GPU compute
The Supermicro AS -8125GS-TNMR2-G1 is an 8U rack system built around two AMD EPYC 9654 processors. Each CPU provides 96 cores at 2.40 GHz with 384 MB cache, giving 192 cores total. It ships with 2.3 TB of DDR5 5600 ECC RDIMM memory running at 4800 MT/s across 24 slots, expandable to 6 TB. Eight AMD Instinct MI300X GPUs with 192 GB each are installed for large-model training and inference.
PCIe 5.0 and 400 GbE set the I/O ceiling
The platform uses PCIe 5.0 lanes from the EPYC 9004 series CPUs to feed the eight OAM GPUs and the single 1.9 TB U.2 NVMe boot drive. Front bays accept 12 NVMe and 2 SATA 2.5-inch drives, all hot-swap. Networking is limited to four single-port 400 GbE QSFP112 links and one dual-port 10 GbE RJ45 controller. No additional PCIe expansion slots are documented, so extra accelerators or storage controllers cannot be added internally.
Rack mounting requires 8U space and 3 kW circuits
Installation means sliding an 8U chassis into a standard rack and connecting six 3000 W titanium power supplies to suitable PDUs. The 12 NVMe bays use U.2 connectors that need correct carrier alignment; mis-seated drives are the most common cause of boot failures. GPU firmware and driver stacks must match the MI300X OAM specification, and memory population must follow the 1DPC rule to reach the rated 4800 MT/s speed.
Highlights
- Dual EPYC 9654 CPUs deliver 96 cores at 2.4GHz for heavy compute
- Eight AMD Instinct MI300X GPUs provide 192GB each for massive AI workloads
- 3TB DDR5-5600 memory installed across 24 slots with 6TB maximum capacity
- 9TB U.2 NVMe SSD plus 12 front hot-swap NVMe bays for fast storage scaling
- Four single 400GbE QSFP112 and one dual 10GbE RJ45 ports for high-speed networking
Specifications
| Brand | SUPERMICRO |
|---|---|
| Series | Gold Series |
| Model | AS -8125GS-TNMR2-G1 |
| Workload | General Purpose Server |
| Type | Rack |
| Rack Height | 8U |
| LEDs | Hard drive activity LED Network activity LEDs Power status LED System Overheat & Power Fail LED |
| CPU Type | AMD EPYC 9004 Series |
| CPU Speed | 9654 (2.40 GHz) |
| Number of CPU Cores | 96-Core Processor |
| Cache Memory | 384 MB |
| # of Processors Installed | 2 |
| MAX Processors | 2 |
| Installed Memory Size | 2.3TB |
| Memory Type | DDR5 5600 |
| Max Memory Capacity | 6TB |
| Memory Features | Max Memory (1DPC): Up to 6TB 4800MT/s ECC DDR5 RDIMM (AMD EPYC 9004 Series Processor) Max Memory (1DPC): Up to 6TB 6000MT/s ECC DDR5 RDIMM (AMD EPYC 9005 Series Processor) |
| Number of Memory Slots | 24 |
| SSD (Installed) | 1 x 1.9TB U.2 NVMe SSD |
| Servers_Graphic Installed | 1 |
| GPU Type | AMD MI300X 192GB 8 OAM + UBB |
| Ethernet Controller | 4 x Single 400GbE QSFP112 1 x Dual 10GbE RJ45 |
| Expansion Bays | 12 front hot-swap 2.5" NVMe drive bays 2 front hot-swap 2.5" SATA drive bays 4 front hot-swap 2.5" NVMe drive bays 2 M.2 NVMe slots (M-key) |
| Power Characteristics | 6 x 3000W Titanium Level |
| Temperature | Operating Temperature: 10°C to 35°C (50°F to 95°F) Non-operating Temperature: -40°C to 60°C (-40°F to 140°F) |
| Humidity | Operating Relative Humidity: 8% to 90% (non-condensing) Non-operating Relative Humidity: 5% to 95% (non-condensing) |
| Dimensions | 14" x 17.2" x 33.2" |
| Weight | 166 lbs. |
| Shipping weight | 102.06 kg |
| Package size | 1300 × 749 × 699 mm |
Questions about this item
Should I select the 2.3TB DDR5-5600 configuration or plan for the 6TB maximum capacity?
The server ships with 2.3TB of DDR5-5600 running at 4800MT/s across 24 slots; the platform supports up to 6TB with EPYC 9004 or 9005 series processors using ECC RDIMMs.
What does the dual EPYC 9654 96-core 2.4GHz specification deliver in this 8U chassis?
Two AMD EPYC 9654 processors provide 192 total cores at 2.4GHz with 384MB cache, designed for dense GPU compute workloads in the 8U Gold Series rack form factor.
How do the 400GbE QSFP112 and 10GbE RJ45 ports limit real-world throughput?
Four single-port 400GbE QSFP112 connections and one dual-port 10GbE RJ45 interface set the network ceiling; actual throughput depends on cabling, switch capability and workload pattern.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
