Supermicro · GPU
SRS-GB300-NVL72
48U liquid-cooled NVIDIA GB300 NVL72 rack-scale system: 36 Grace CPUs and 72 B300 GPUs in 18 1U compute trays with an in-rack 250kW CDU; specs per rack.
| OEM | Supermicro |
|---|---|
| Family | GPU |
| Generation | Blackwell Ultra |
| Released | Not published |
| Form factor | Rack 48U |
| Processor sockets | 36 |
| Processor | NVIDIA Grace (GB300 Grace Blackwell Ultra Superchip) |
| Max cores per CPU | Not published |
| Max cores per server | Not published |
| Max CPU TDP | Not published |
| DIMM slots | Not published |
| Memory type | LPDDR5X |
| Max memory | 17 TB |
| Drive bays | Up to 144 E1.S PCIe 5.0 drive bays across 18 x 1U ARS-121GL-NB3 compute trays |
| Max NVMe / 3.5" bays | 144 / 0 |
| GPUs | 72 NVIDIA B300 GPUs (GB300 NVL72, 288GB HBM3e each, up to 21TB per rack) linked by 9 NVLink switches at 1.8TB/s |
| PCIe slots | ? |
| OCP 3.0 slots | Not published |
| Power supplies | up to 5,500 W |
| Management | 1G/10G Ethernet out-of-band management network |
| Suited to | AI training, AI inference, HPC |
Official sources: https://www.supermicro.com/en/products/system/gpu/48u/srs-gb300-nvl72 ↗