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4U rack server chassis with front drive bays and network ports

Supermicro

Supermicro AS -4126GS-NMR-LCC-G1 rack server, dual EPYC 9575F 64C, 2.3TB DDR5, 8× MI325X, 1× 480GB NVMe

SKU CH-E9RT-583CG MPN AS -4126GS-NMR-LCC-G1

4U rack server with dual 64-core EPYC 9575F CPUs, 2.3TB DDR5-6400, eight MI325X GPUs and one 480GB NVMe drive

  • WorkloadGeneral Purpose Server
  • TypeRack
  • Rack Height4U
  • LEDsNetwork activity LEDs System information (overheat/UID) UID
  • Hot-swap Fans5x 6cm heavy duty fans with optimal fan speed control
  • CPU TypeAMD EPYC 9005 Series
  • Dual EPYC 9575F processors provide 64 cores each at 3.30 GHz for high-throughput compute
  • Eight AMD Instinct MI325X GPUs accelerate large-model training and inference workloads
  • 3 TB DDR5-6400 memory feeds data-intensive applications with low-latency bandwidth
  • 480 GB M.2 NVMe SSD offers fast boot and staging for operating system and logs
  • Eight 400 GbE QSFP112 ports plus dual 10 GbE RJ45 enable high-speed cluster interconnects

Dual EPYC 9575F GPU server

The Supermicro AS -4126GS-NMR-LCC-G1 is a 4U rack system built around two AMD EPYC 9575F processors, each with 64 cores at 3.30 GHz. It ships with 2.3TB of DDR5 6400 memory and eight AMD Instinct MI325X GPUs for large-scale compute workloads. A single 480GB M.2 NVMe drive provides boot storage.

AI training clusters and HPC sites

This server suits teams running multi-GPU training or simulation jobs that can use eight accelerators and high memory bandwidth. It is not for buyers who need more than 2.3TB of installed memory or additional internal NVMe capacity beyond the single M.2 slot. Organisations requiring a different GPU architecture or fewer accelerators should evaluate alternative configurations.

Eight MI325X GPUs installed

The system includes eight AMD Instinct MI325X GPUs, which defines the parallel compute capacity available out of the box. That GPU count drives the maximum model size and batch throughput the server can handle without adding hardware. Networking is delivered through eight single 400GbE QSFP112 ports and one dual 10GbE RJ45 interface.

Highlights

  • Dual EPYC 9575F processors provide 64 cores each at 3.30 GHz for high-throughput compute
  • Eight AMD Instinct MI325X GPUs accelerate large-model training and inference workloads
  • 3 TB DDR5-6400 memory feeds data-intensive applications with low-latency bandwidth
  • 480 GB M.2 NVMe SSD offers fast boot and staging for operating system and logs
  • Eight 400 GbE QSFP112 ports plus dual 10 GbE RJ45 enable high-speed cluster interconnects

Specifications

BrandSUPERMICRO
ModelAS -4126GS-NMR-LCC-G1
WorkloadGeneral Purpose Server
TypeRack
Rack Height4U
LEDsNetwork activity LEDs
System information (overheat/UID)
UID
Hot-swap Fans5x 6cm heavy duty fans with optimal fan speed control
CPU TypeAMD EPYC 9005 Series
CPU Speed9575F (3.30 GHz)
Number of CPU Cores64-Core Processor
Cache Memory256 MB
# of Processors Installed2
MAX Processors2
Installed Memory Size2.3TB
Memory TypeDDR5 6400
Max Memory Capacity6TB
Memory FeaturesMax Memory (1DPC): Up to 6TB 6400MT/s ECC DDR5 RDIMM (AMD EPYC 9005 Series Processor)
Max Memory (1DPC): Up to 6TB 4800MT/s ECC DDR5 RDIMM (AMD EPYC 9004 Series Processor)
Number of Memory Slots24
SSD (Installed)1 x 480GB M.2 NVMe SSD
Servers_Graphic Installed1
GPU TypeAMD Instinct MI325X 8-GPU
Ethernet Controller8 x Single 400GbE QSFP112
1 x Dual 10GbE RJ45
Expansion Bays8 front hot-swap 2.5" PCIe 5.0 x4 NVMe drive bays
2 M.2 NVMe slots (M-key)
Power Characteristics4 x 6600W 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)
Dimensions6.85" x 17.6" x 35.25"
Weight80 lbs.
Shipping weight63.50 kg
Package size1280 × 729 × 410 mm

Questions about this item

How do I confirm the dual EPYC 9575F processors and eight MI325X GPUs are recognised after setup?

Check the BIOS or operating system hardware inventory for two 64-core CPUs at 3.30 GHz and eight MI325X devices; the front network activity and system UID LEDs will also show normal operation.

What ships with the server and what must I add for storage expansion?

The chassis includes dual EPYC 9575F CPUs, 2.3 TB DDR5-6400, eight MI325X GPUs, one 480 GB M.2 NVMe SSD, five hot-swap fans, and four 6600 W power supplies; the eight front 2.5-inch PCIe 5.0 x4 NVMe bays and second M.2 slot are empty.

Which memory capacity should I select if I need the maximum supported by the installed EPYC 9005 series processors?

The platform supports up to 6 TB of DDR5-6400 ECC RDIMM across 24 slots when populated 1 DPC with the EPYC 9005 series CPUs already installed.

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