DGX Station GB300: model-specific illustration based on the recorded configuration.
Sold by Exxact
NVIDIA DGX Station GB300
Exxact's build of NVIDIA's DGX Station: one GB300 superchip with a Blackwell Ultra GPU (252 GB HBM3e) and a 72-core Grace CPU (496 GB), joined by NVLink-C2C, with an 800 Gb/s ConnectX-8 network card, in a full tower.
Key features
- 748 GB of coherent memory: 252 GB of HBM3e on the GPU plus 496 GB on the Grace CPU
- A Blackwell Ultra GPU and a 72-core Grace CPU on one superchip, joined by NVLink-C2C
- NVIDIA rates FP4 at 20 PFLOPS with sparsity, 15 PFLOPS without
- 800 Gb/s ConnectX-8 SuperNIC built in
- 1,600 W total system power, on a 20 A circuit, in a full tower
Parts and prices
| Part | Qty | Price |
|---|---|---|
| Exxact Valence NVIDIA DGX Station, GB300 VWS-158270643 | 1 | $96,250 Exxact, 25 Oct 2026 |
Specifications
Exxact Valence NVIDIA DGX Station, GB300
- GPUs
- 1 × Blackwell Ultra (GB300 superchip) (252 GB each)
- CPU
- NVIDIA Grace, 72 cores
- System memory
- 496 GB LPDDR5X; 748 GB coherent with the GPU's 252 GB HBM3e
- Storage
- 2 × PCIe 5.0 M.2 + 2 × PCIe 6.0 M.2 slots
- Networking
- ConnectX-8 SuperNIC, up to 800 Gb/s
- Form factor
- Full tower
- Power
- 1.6 kW (total system power, NVIDIA)
Sources: NVIDIA DGX Station specifications ↗ · Exxact VWS-158270643 ↗
Power adds each part's maximum rated power, before cooling and power losses. Model sizes are memory arithmetic: 2 bytes per parameter at 16-bit, half a byte at 4-bit, keeping a fifth of the memory for the context cache. They say what fits, not how fast it runs.
Can't afford it? Rent it for real.
Cloud providers rent the NVIDIA B300 from $8.39 per GPU an hour, or $0.99 on spot, compared on GlobeGPU (rates of 25 Oct 2026).
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