DP Intel 4U Universal GPU System with NVIDIA HGX™ H200 4-GPU.
Official Supermicro specifications for the SYS-421GU-TNXR.
| Model | Super X13DGU |
|---|
| 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 |
| Max GPU Count | 4 onboard GPUs |
|---|---|
| Supported GPU | NVIDIA SXM: HGX H200 4-GPU (141GB), HGX H100 4-GPU (80GB) |
| CPU-GPU Interconnect | PCIe 5.0 x16 CPU-to-GPU Interconnect |
| GPU-GPU Interconnect | NVIDIA® NVLink™ |
| Memory | Slot Count: 32 DIMM slots Max Memory (2DPC): Up to 8TB 5600MT/s ECC DDR5 |
|---|
| Network Connectivity | 2 RJ45 10GbE with Intel® X710-AT2 |
|---|---|
| Networking | Flexible networking (AIOM) options |
| Video | 1 VGA port |
|---|
| BIOS Type | AMI 32MB SPI Flash EEPROM |
|---|
| Software | SuperCloud Composer®; Supermicro Server Manager (SSM); Supermicro Update Manager (SUM); SuperDoctor® 5 (SD5); Super Diagnostics Offline (SDO); Thin-Agent Service (TAS); SuperServer Automation Assistant (SAA) |
|---|
| CPU | 8+4 Phase-switching voltage regulator; monitors CPU Cores, Chipset & Memory voltages |
|---|---|
| FAN | Fans with tachometer monitoring; PWM fan connectors with speed control |
| Temperature | Monitoring for CPU and chassis environment; thermal control for fan connectors |
| Form Factor | 4U Rackmount |
|---|---|
| Model | CSE-458GTS-R3K06P |
| Enclosure | 449 x 175.6 x 833 mm (17.67" x 7" x 32.79") |
|---|---|
| Package | 700 x 370 x 1260 mm (27.55" x 14.57" x 49.6") |
| Weight | Gross Weight: 140 lbs (64 kg) Net Weight: 105 lbs (48 kg) |
| Available Color | Black front & silver body |
| PCI-Express (PCIe) Configuration | Default: 8 PCIe 5.0 x16 LP slots |
|---|
| Drive Bays Configuration | Default: Total 6 bays — 6 front hot-swap 2.5" NVMe/SATA |
|---|---|
| M.2 | 2 M.2 NVMe/SATA slots (M-key) |
| Fans | Up to 5 heavy duty fans with optimal fan speed control |
|---|---|
| Air Shroud | 1 Air Shroud |
| Liquid Cooling | Direct-to-Chip (D2C) Cold Plate (optional) |
| Environmental Spec. | Operating Temperature: 10°C to 35°C (50°F to 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) |
|---|
| PSU | 4x 3000W Redundant Titanium Level (96%) |
|---|
Official Supermicro firmware, drivers, manuals, and certification resources for the SYS-421GU-TNXR. Semifly does not host these files — each link opens Supermicro's official page so you always get the latest version.
Latest system BIOS. Flash only if you have a BIOS-related issue.
Latest BMC firmware for out-of-band management.
Select your OS and device type on Supermicro's download center.
Official user's manual (HTML / PDF).
Official one-page datasheet for the SYS-421GU-TNXR.
Certified operating systems and compatibility matrix.
Validate and benchmark your workload on this platform remotely.
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