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Silver 8U rack server front panel with rows of 2.5 inch drive bays and status LEDs

Supermicro

Supermicro AS -8125GS-TNHR-G1 8U rack server dual EPYC 9474F 2.3TB DDR5 1.9TB NVMe 8 H200 400G OSFP

SKU CH-3FR7-D7N5H MPN AS -8125GS-TNHR-G1

An 8U rack server with dual 48-core EPYC 9474F CPUs, 2.3TB DDR5 memory, 1.9TB NVMe storage, eight H200 GPUs and eight 400G OSFP network ports

  • WorkloadGeneral Purpose Server
  • TypeRack
  • Rack Height8U
  • LEDsHard drive activity LED Network activity LEDs Power status L
  • Hot-swap Fans10 heavy duty fans with optimal fan speed control
  • CPU TypeAMD EPYC 9004 Series
  • Dual 48-core EPYC 9474F CPUs at 3.60 GHz deliver massive parallel compute
  • Eight NVIDIA H200 GPUs with 141 GB each accelerate large-scale AI workloads
  • 3 TB DDR5-5600 memory running at 4800 MT/s supports memory-intensive applications
  • 9 TB U.2 NVMe SSD plus 24 DIMM slots and multiple drive bays enable flexible storage scaling
  • Eight 400 GbE OSFP ports and six 3000 W Titanium PSUs provide high-throughput networking and efficient power

Dual EPYC 9474F 8U GPU server

The Supermicro AS-8125GS-TNHR-G1 is an 8U rack system built for high-density compute. It ships with two AMD EPYC 9474F processors, each running 48 cores at 3.60 GHz, and 2.3 TB of DDR5-5600 memory operating at 4800 MT/s. Eight NVIDIA H200 GPUs with 141 GB each provide massive parallel throughput for AI training and HPC workloads.

Sustained load behaviour

Ten hot-swap fans with optimal speed control move air across the GPUs and CPUs during extended runs. Six 3000 W Titanium-level power supplies share the load, keeping voltage stable when all eight GPUs and both CPUs draw maximum power. System overheat and power-fail LEDs give immediate visual warning if thermal limits are approached.

Installation and common issues

The chassis offers twelve front hot-swap 2.5-inch NVMe bays, four additional NVMe bays, two SATA bays and one M.2 NVMe slot for storage expansion. Eight 400 G OSFP ports require matching transceivers and cabling that are not included. Rack rails and 8U clearance must be verified before delivery; the unit weighs substantially more than a standard 8U server.

Highlights

  • Dual 48-core EPYC 9474F CPUs at 3.60 GHz deliver massive parallel compute
  • Eight NVIDIA H200 GPUs with 141 GB each accelerate large-scale AI workloads
  • 3 TB DDR5-5600 memory running at 4800 MT/s supports memory-intensive applications
  • 9 TB U.2 NVMe SSD plus 24 DIMM slots and multiple drive bays enable flexible storage scaling
  • Eight 400 GbE OSFP ports and six 3000 W Titanium PSUs provide high-throughput networking and efficient power

Specifications

BrandSUPERMICRO
ModelAS -8125GS-TNHR-G1
WorkloadGeneral Purpose Server
TypeRack
Rack Height8U
LEDsHard drive activity LED
Network activity LEDs
Power status LED
System Overheat & Power Fail LED
Hot-swap Fans10 heavy duty fans with optimal fan speed control
CPU TypeAMD EPYC 9004 Series
CPU Speed9474F (3.60 GHz)
Number of CPU Cores48-Core Processor
Cache Memory256 MB
# of Processors Installed2
MAX Processors2
Installed Memory Size2.3TB
Memory TypeDDR5 5600
Max Memory Capacity6TB
Memory FeaturesMax Memory (1DPC): Up to 6TB 4800MT/s ECC DDR5 RDIMM
Number of Memory Slots24
SSD (Installed)1 x 1.9TB U.2 NVMe SSD
Servers_Graphic Installed1
GPU TypeNVIDIA HGX 8 H200 141GB SXM5
Ethernet Controller8 x 400G NDR/ETH OSFP
Expansion Bays2 front hot-swap 2.5" SATA drive bays
4 front hot-swap 2.5" NVMe* drive bays
12 front hot-swap 2.5" NVMe drive bays
1 M.2 NVMe slot (M-key)
Power Characteristics6 x 3000W Titanium Level
TemperatureOperating Temperature: 10°C to 35°C (50°F to 95°F)
Non-operating Temperature: -40°C to 60°C (-40°F to 140°F)
HumidityOperating Relative Humidity: 8% to 90% (non-condensing)
Non-operating Relative Humidity: 5% to 95% (non-condensing)
Dimensions14" x 17.2" x 33.2"
Weight166 lbs.
Shipping weight102.06 kg
Package size1300 × 749 × 699 mm

Questions about this item

How loud and hot does the 8U rack server get with its 10 heavy-duty fans running continuously?

The system uses 10 hot-swap fans with optimal speed control to manage heat from dual EPYC 9474F CPUs and eight H200 GPUs while maintaining stable airflow.

What rack infrastructure is required to support this 8U server and its six 3000W Titanium power supplies?

You need an 8U rack space with sufficient power distribution for six 3000W supplies and cooling capacity for the 10 heavy-duty fan assembly.

Can the 1.9TB U.2 NVMe SSD and 24 DDR5-5600 memory slots work with existing Gen4 NVMe drives and slower DDR5 modules?

The server accepts U.2 NVMe and SATA drives in its front bays and supports up to 6TB of ECC DDR5 RDIMM across 24 slots at 4800MT/s.

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