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Supermicro GPU SuperServer 421GU-TNXR

Featuring dual LGA-4677 CPU sockets, the 4U Supermicro GPU SuperServer 421GU-TNXR supports 4th and 5th Generation Intel Xeon Scalable processors. It is designed for High-Performance Computing, AI/Deep Learning, Healthcare applications, Conversational AI, and other tasks. 32x DDR5 DIMM slots evenly divided between each CPU socket can provide up to 8TB of DDR5 memory. There are 6x 2.5-inch NVMe/SAS/SATA drive bays on the front and 8x PCIe 5.0 x16 Low Profile expansion slots on the back of the system. An NVIDIA NVLink GPU-GPU interconnect multi-GPU board supports 4x NVIDIA HGX H100 SXM5-based GPUs on the Supermicro 421GU-TNXR.
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Supermicro GPU SuperServer 421GU-TNXR - System Overview

Supermicro 421GU-TNXR front detail Supermicro 421GU-TNXR detail top

Summary

8 PCIe Gen 5.0 x16 LP Slots provide flexible networking options. Powering the system are dual redundant 3000W PSUs.

NOTE: This system is only sold as a complete system and should include at least 2 CPU, 4 DIMMs, & 1 HDD/SSD.

Supermicro GPU SuperServer 421GU-TNXR - Specifications

Processor - 2 Sockets

  • 5th Generation Intel Xeon Scalable Processor
  • 4th Generation Intel Xeon Scalable Processor
  • Up to 56C/112T; Up to 112.5MB Cache per CPU
  • Supports up to 350W TDP CPUs (Air Cooled)​
  • Supports up to 350W TDP CPUs (Liquid Cooled)​

    • Socket:

  • 2 x LGA-4677

Motherboard

  • Super X13DGU

Memory

    Memory Slots:

  • 32 x DDR5 DIMM slots

    • Memory Capacty:

  • Up to 8TB: 32x 256GB DRAM

    • Memory Speed:

  • Up to 5600MHz

Drive Bays

    Hot-Swap:

  • 6 x 2.5" hot-swap NVMe/SATA drive bays (6x 2.5" NVMe hybrid)

    • M.2:

  • 2 x M.2 NVMe or SATA3

GPU

    Supported GPU:

  • HGX H100 4-GPU SXM5 Multi-GPU Board

    • CPU-GPU Interconnect:

  • PCIe 5.0 x16 CPU-to-GPU Interconnect

    • GPU-GPU Interconnect:

  • NVIDIA NVLink

Expansion Slots

  • 8 x PCIe 5.0 x16 LP slots

On-Board Devices

    Chipset:

  • Intel C741 chipset

    • Network Connectivity:

  • 2 x 10GbE BaseT with Intel® X710-AT2

    • IPMI:

  • Support for Intelligent Platform Management Interface v.2.0
  • IPMI 2.0 with virtual media over LAN and KVM-over-LAN support

Input / Output

    Video:

  • 1 x VGA port

Chassis

    Enclosure:

    Height: 8.75" (222.5mm)

    Width: 17.67" (449mm)

    Depth: 32.79" (833mm)

Supermicro GPU SuperServer 421GU-TNXR - Documentation

Supermicro GPU SuperServer 421GU-TNXR Data Sheet Supermicro GPU SuperServer 421GU-TNXR User Manual

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