Supermicro GPU A+ Server AS-8126GS-NB3RT NVIDIA HGX B300 NVL8
Key Features
Dual AMD EPYC™ 9005/9004 Series Processors
8x Blackwell 300 Ultra SXM GPUs
Supports up to 24 DIMM slots, 6400 MT/s 6TB DDR5 memory (1DPC only)
(Please check System Memory Section for detail)
8x OSFP 800GbE
2x PCIe 5.0 x16 FHHL slots
8x front hot-swap E1.S NVMe drive bays
6x 6600W Redundant (3 + 3) Titanium Level (96%) power supplies
(Power supply full redundancy based on configuration and application load)
Availability subject to compliance verification.
TOWARD MAXIMUM EFFICIENCY AND PERFORMANCE AT SCALE WITH THE SUPERMICRO AS-8126GS-NB3RT
The Supermicro GPU A-Server AS-8126GS-NB3RT with NVIDIA HGX B300 NVL8 is a top-tier 8U rackmount server engineered for AI, deep learning, and HPC workloads. Housing eight Blackwell B300 Ultra SXM GPUs interconnected via NVLink and NVSwitch for blistering throughput, this Supermicro GPU A-Server supports dual AMD EPYC 9005/9004 series processors. The system accommodates up to 6 TB of DDR5 memory across 24 DIMM slots, and offers eight hot-swappable E1.S NVMe drive bays plus dual M.2 slots for flexible storage. With eight 800 Gb/s OSFP network interfaces and redundant 6.6 kW Titanium-level power supplies, this NVL8 GPU server is built for mission-critical AI model training and large-scale inference deployments.
Key Features
Dual AMD EPYC™ 9005/9004 Series Processors
8x Blackwell 300 Ultra SXM GPUs
Supports up to 24 DIMM slots, 6400 MT/s 6TB DDR5 memory (1DPC only)
(Please check System Memory Section for detail)
8x OSFP 800GbE
2x PCIe 5.0 x16 FHHL slots
8x front hot-swap E1.S NVMe drive bays
6x 6600W Redundant (3 + 3) Titanium Level (96%) power supplies
(Power supply full redundancy based on configuration and application load)
Product SKUs
| AS-8126GS-NB3RT | A+ Server |
|---|
Motherboard
| Model | Super H14DSG-OM |
|---|
Processor
| CPU | Dual processor(s), AMD EPYC 9005/9004 Series Processors |
|---|---|
| Core Count | Up to 384C/768T |
| Note | Supports up to 500W TDP CPUs |
GPU
| Max GPU Count | 8 onboard GPUs |
|---|---|
| Supported GPU | NVIDIA SXM: HGX B300 8-GPU (288GB) |
| GPU-GPU Interconnect | NVIDIA NVLink with NVSwitch |
System Memory
| Slot Count | 24 DIMM slots |
|---|---|
| Max Memory (1DPC, EPYC 9005) | Up to 6TB 6400MT/s ECC DDR5 RDIMM |
| Max Memory (1DPC, EPYC 9004) | Up to 6TB 4800MT/s ECC DDR5 RDIMM |
| Memory Voltage | 1.1V |
On-Board Devices
| Chipset | System on Chip |
|---|---|
| Network Connectivity | 8 OSFP 800GbE |
Input / Output
| USB | 1 USB 3.0 Type-A port (Front), 1 USB 2.0 Type-A port (Front) |
|---|---|
| Video | 1 VGA port, 1 mini-DP port |
System BIOS
| BIOS Type | AMI 64MB UEFI |
|---|
Chassis
| Form Factor | 8U Rackmount |
|---|---|
| Model | CSE-GP807TS-R000NP |
Dimensions and Weight
| Height | 13.8" (356 mm) |
|---|---|
| Width | 17.6" (449 mm) |
| Depth | 37.4" (950 mm) |
| Package | 27.6" (H) x 51" (W) x 29.5" (D) |
| Gross Weight | 266.76 lbs (121 kg) |
| Net Weight | 108 lbs (49.4 kg) |
| Available Color | Silver |
Front Panel
| LED | HDD activity, LAN1 activity, LAN2 activity, Power Fail, Power status, System information (overheat/UID) |
|---|---|
| Buttons | Power On/Off, UID |
Expansion Slots
| PCI-Express (PCIe) Configuration | 2 PCIe 5.0 x16 FHHL slots |
|---|
Drive Bays / Storage
| Drive Bays Configuration | Total 8 bays — 8 front hot-swap E1.S NVMe drive bays |
|---|---|
| M.2 | 2 M.2 NVMe slots (M-key) |
System Cooling
| Fans | Up to 12 heavy duty fans with optimal fan speed control |
|---|
Power Supply
| Configuration | 6x 6600W Redundant (3 + 3) Titanium Level (96%) power supplies |
|---|