SuperServer SYS-421GU-TNXR (Complete System Only)

DP Intel 4U Universal GPU System with NVIDIA HGX H100 4-GPU

Key Applications

High Performance Computing
AI/Deep Learning Training
Large Language Model (LLM) Natural Language Processing

Key Features

32 DIMM slots Up to 8TB: 32x 256 GB DRAM Memory Type: 4800MHz ECC DDR5
32 DIMM slots Up to 8TB: 32x 256 GB DRAM Memory Type: 5600MTs ECC DDR5
8 PCIe Gen 5.0 X16 LP Slots
Flexible networking options
2 M.2 NVMe and SATA for boot drive only
6x 2.5" Hot-swap NVMe/SATA/SAS drive bays

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SYS-421GU-TNXR

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Specifications

Product SKUs
SuperServer SYS-421GU-TNXR

Motherboard
Super X13DGU

Processor
CPU	Dual Socket E (LGA-4677) 5th Gen Intel® Xeon® / 4th Gen Intel® Xeon® Scalable processors
Core Count	Up to 56C/112T; Up to 112.5MB Cache per CPU
Note	Supports up to 350W TDP CPUs (Air Cooled) Supports up to 350W TDP CPUs (Liquid Cooled)

GPU
Max GPU Count	Up to 4 onboard GPUs
Supported GPU	NVIDIA SXM: HGX H100 4-GPU (80GB) View GPU Options
CPU-GPU Interconnect	PCIe 5.0 x16 CPU-to-GPU Interconnect
GPU-GPU Interconnect	NVIDIA® NVLink®
Certification

System Memory
Memory	Slot Count: 32 DIMM slots Max Memory (2DPC): Up to 8TB 5600MT/s ECC DDR5 View Memory Options
Memory Voltage	1.1V

On-Board Devices
Chipset	Intel® C741
Network Connectivity	2 RJ45 10GbE with Intel® X710-AT2 View AOC Options

Input / Output
Video	1 VGA port

System BIOS
BIOS Type	AMI 32MB SPI Flash EEPROM

Management
Software	SuperCloud Composer Supermicro Server Manager (SSM) Supermicro Update Manager (SUM) Supermicro SuperDoctor® 5 (SD5) Super Diagnostics Offline (SDO) Supermicro Thin-Agent Service (TAS) SuperServer Automation Assistant (SAA) New!
Power configurations	Power-on mode for AC power recovery ACPI Power Management

Security
Hardware	Trusted Platform Module (TPM) 2.0 Silicon Root of Trust (RoT) – NIST 800-193 Compliant
Features	Cryptographically Signed Firmware Secure Boot Secure Firmware Updates Automatic Firmware Recovery Supply Chain Security: Remote Attestation Runtime BMC Protections System Lockdown

PC Health Monitoring
CPU	Monitors for CPU Cores, Chipset Voltages, Memory 8+4 Phase-switching voltage regulator
FAN	Fans with tachometer monitoring Status monitor for speed control Pulse Width Modulated (PWM) fan connectors
Temperature	Monitoring for CPU and chassis environment Thermal Control for fan connectors

Chassis
Form Factor	4U Rackmount
Model	CSE-458GTS-R3K06P

Dimensions and Weight
Height	7" (175.6 mm)
Width	17.67" (449 mm)
Depth	32.79" (833 mm)
Package	14.57" (H) x 27.55" (W) x 49.6" (D)
Weight	Gross Weight: 140 lbs (64 kg) Net Weight: 105 lbs (48 kg)
Available Color	Black Front & Silver Body

Front Panel
LED	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) Configuration	Default 1 PCIe 5.0 x16 LP slot 7 PCIe 5.0 x16 LP slots View AOC Options

Drive Bays / Storage
Drive Bays Configuration	Default: Total 6 bays 6 front hot-swap 2.5" NVMe/SATA drive bays View NVMe Options View Drive Options
M.2	2 M.2 NVMe/SATA slots (M-key) View M.2 Options

System Cooling
Fans	5 heavy duty fans with optimal fan speed control
Air Shroud	1 Air Shroud
Liquid Cooling	Direct to Chip (D2C) Cold Plate (optional)

Power Supply

4x 3000W

4x 3000W Redundant Titanium Level (96%) power supplies

Dimension (WxHxL)	106.5 x 82.1 x 245.5 mm
Input	3000W: 0240Vdc / 50-60Hz (for CQC only) 2880W: 200-207Vac / 50-60Hz 3000W: 207-240Vac / 50-60Hz 3000W:
DC Input
+12V	Max: 91.66A / Min: 0A (200Vac-240Vac)
12V SB	Max: 3A / Min: 0A
Output Type	Backplanes (gold finger)

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)

Resources & Downloads

GPU SuperServer SYS-421GU-TNXR (Complete System Only )