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.

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

32 x DDR5 DIMM slots

Memory Capacty:

Up to 8TB: 32x 256GB DRAM

Memory Speed:

Up to 5600MHz

Drive Bays

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

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

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

1 x VGA port

Chassis

Height: 8.75" (222.5mm)

Width: 17.67" (449mm)

Depth: 32.79" (833mm)