GPU SuperServer SYS-421GU-TNXR 4U

Key Applications

  • High Performance Computing
  • AI/Deep Learning Training

Key Features

  1. 32 DIMM slots Up to 8TB: 32x 256 GB DRAM Memory Type: 4800MHz ECC DDR5
  2. 8 PCIe Gen 5.0 X16 LP Slots
  3. Flexible networking options
  4. 2 M.2 NVMe and SATA for boot drive only 6x 2.5″ Hot-swap  NVMe/SATA/SAS drive bays


Product Specifications

Product SKUs
SuperServer SYS-421GU-TNXR (Black Front & Silver Body)
Super X13DGU
CPU Dual Socket E (LGA-4677)
4th Gen Intel® Xeon® Scalable processors
Note Supports up to 350W TDP CPUs (Air Cooled)
Supports up to 350W TDP CPUs (Liquid Cooled)
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™
System Memory
Memory Memory Capacity: 32 DIMM slots
Up to 8TB: 32x 256 GB DRAM
Memory Type: 4800MHz ECC DDR5 DRAM
Memory Voltage 1.1 V
Error Detection ECC
On-Board Devices
Chipset Intel® C741
Network Connectivity 2x 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 VGA port(s)
System BIOS
Software OOB Management Package (SFT-OOB-LIC )
Redfish API
IPMI 2.0
Intel® Node Manager
KVM with dedicated LAN
Watch Dog
SuperDoctor® 5
Power Configurations ACPI Power Management
Power-on mode for AC power recovery
PC Health Monitoring
CPU 8+4 Phase-switching voltage regulator
Monitors for CPU Cores, Chipset Voltages, Memory
FAN Fans with tachometer monitoring
Pulse Width Modulated (PWM) fan connectors
Status monitor for speed control
Temperature Monitoring for CPU and chassis environment
Thermal Control for fan connectors
Form Factor 4U Rackmount
Model CSE-458GTS-R3K06P
Dimensions and Weight
Height 8.75″ (222.5mm)
Width 17.67″ (449mm)
Depth 32.79″ (833mm)
Package 14.57″ (H) x 27.55″ (W) x 49.6″ (D)
Weight Net Weight: 166 lbs (75.3 kg)
Gross Weight: 225 lbs (102.1 kg)
Available Color Black Front & Silver Body
Front Panel
LEDs Hard drive activity LED
Network activity LEDs
Power status LED
System Overheat & Power Fail LED
Buttons Power On/Off button
System Reset button
Expansion Slots
PCI-Express (PCIe) 8 PCIe 5.0 X16 slot(s)
Drive Bays / Storage
Hot-swap 6x 2.5″ hot-swap NVMe/SATA drive bays (6x 2.5″ NVMe hybrid)
M.2 2 M.2 NVMe OR 2 M.2 SATA3
System Cooling
Fans 5 heavy duty fans with optimal fan speed control
Air Shroud 1 Air Shroud(s)
Liquid Cooling Direct to Chip (D2C) Cold Plate (optional)
Power Supply
3000W Redundant Power Supplies, Titanium Level
AC Input 3000W:
DC Output 3000W
Output Type Backplanes (connector)
Certification Titanium Level
Operating Environment
Environmental Spec. Operating Temperature:
10°C ~ 35°C (50°F ~ 95°F)
Non-operating Temperature:
-40°C to 60°C (-40°F to 140°F)
Operating Relative Humidity:
8% to 90% (non-condensing)
Non-operating Relative Humidity:
5% to 95% (non-condensing)

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