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Supermicro GPU SuperServer 421GE-TNRT3 - System Overview

Supermicro GPU SuperServer 421GE-TNRT3 front

The Supermicro GPU SuperServer 421GE-TNRT3 is equipped with a daughter board that can house up to 8x double-width or 8x single-width GPUs. This dual root system features a PCIe 5.0 x16 CPU-to-GPU interconnect, and an optional NVIDIA NVLink Bridge for enhanced GPU performance. Compatible GPUs include the NVIDIA H100, NVIDIA RTX A4000, NVIDIA RTX 6000 Ada Generation, NVIDIA L40S, and NVIDIA A100.

Supermicro GPU SuperServer 421GE-TNRT3 rear

Up to 32x DDR5 DIMMs can be installed for a total of up to 8TB of memory. Depending on the installed CPU, memory modules and memory configuration, the system can support memory speeds of up to 5600MT/s. It features 24x hot-swappable 2.5” drive bays on the front, including 16x bays dedicated to NVMe drives, with support for Gen5 NVMe, SAS3, and SATA4. Additionally, there are dual M.2 NVMe slots on the motherboard for 2280 or 22110 form factor cards, ideally to boot the operating system. For expansion, the server includes 7x PCIe 5.0 x16 slots controlled by CPU 1 and 6x PCIe 5.0 x16 slots controlled by CPU 2. It is equipped with 4x 2700W redundant Titanium-rated power supplies, ensuring reliable and efficient power delivery.

To efficiently monitor and update the GPU SuperServer 421GE-TNRT3, both at-chassis and remotely, several management tools are available, including Supermicro SuperDoctor 5 (SD5), Supermicro Server Manager (SSM), and SuperServer Automation Assistant (SAA). The SuperServer Automation Assistant (SAA) is a command-line interface (CLI) tool that allows users to update individual nodes or entire data centers.

*This server is only offered as a completely-assembled system with 2x CPUs, a minimum of 4x DIMMs, 2x GPUs, and 1x storage device.

Supermicro GPU SuperServer 421GE-TNRT3 - Specifications

Processor - 2 Sockets

  • 5th Gen Intel Xeon/4th Gen Intel Xeon Scalable CPUs
  • Up to 64 cores/128T; Up to 320MB Cache per CPU
  • Supports up to 350W TDP CPUs (Air Cooled)
  • Supports up to 385W TDP CPUs (Liquid Cooled)​
  • Socket:

  • Dual Socket E (LGA-4677)

Motherboard

  • Super X13DEG-OA

GPU

    Max GPU Count:

  • Up to 8x double-width or 8x single-width
  • Supported GPU

  • NVIDIA PCIe: H100, RTX A4000, RTX 6000 Ada Generation, L40S, A100
  • CPU-GPU Interconnect

  • PCIe 5.0 x16 CPU-to-GPU Interconnect
  • GPU-GPU Interconnect

  • NVIDIA NVLink Bridge (optional)

Memory

    Memory Slots:

  • 32 x DDR5 DIMM slots
  • Memory Capacity:

  • Max Memory (1DPC): Up to 4 TB ECC DDR5 RDIMM
  • Max Memory (2DPC): Up to 8 TB ECC DDR5 RDIMM
  • Memory Speed:

  • Max Memory (1DPC): 5600MT/s
  • Max Memory (2DPC): 4400MT/s

Drive Bays

    Default: Total 12 bays

  • 4x front hot-swap 2.5" NVMe drive bays
  • 8x front hot-swap 2.5" SATA drive bays
  • *Up to 24x 2.5" drive bays with optional parts

    M.2:

  • 2x M.2 NVMe slots (M-key)

Expansion Slots

    Default

  • 8x PCIe 5.0 x16 FHFL slots

On-Board Devices

    Chipset:

  • Intel C741
  • Network Connectivity:

  • 2x RJ45 10GbE with Intel X710-AT2

Input/Output

    Video:

  • 1x VGA ports

System BIOS

    BIOS Type:

  • AMI 32MB SPI Flash EEPROM

Fans

  • 8x heavy duty fans with optimal fan speed control
  • Direct to Chip (D2C) Cold Plate (optional)

Power Supply

  • 4x 2700W Redundant Titanium Level (96%) power supplies

Chassis

    Enclosure:

    Height: 7" (178 mm)

    Width: 17.2" (436.88mm)

    Depth: 29" (737 mm)

    Gross Weight: 100 lbs (45.3 kg)

    Net Weight: 65.5 lbs (29.7 kg)

Supermicro GPU SuperServer 421GE-TNRT3 - Documentation

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