NVIDIA · Desktop System
DGX Station (GB300)
Grace Blackwell Ultra
Prefill · prompt processing
Not benchmarked
Inference · generation speed
Not benchmarked
GPU / CPU chip
GB300 Blackwell Ultra / NVIDIA Grace Arm Neoverse V2
RAM / VRAM
748 GB coherent
496 GB system RAM
No verified model-specific throughput measurement is published here yet. Prefill and generation rates depend on the model, precision, batch size and runtime.
Hardware specifications
| Product family | DGX Station |
| Model / configuration | GB300 |
| Released | 2026 |
| Manufacturer | NVIDIA |
| Hardware category | Desktop System |
| Architecture | Grace Blackwell Ultra |
| Form factor | Desktop workstation |
| CPU | NVIDIA Grace Arm Neoverse V2 |
| CPU cores | 72 |
| Accelerator model | GB300 Blackwell Ultra |
| Accelerator count | 1 |
| Interconnect | NVLink-C2C |
| Interconnect bandwidth | 900 GB/s |
Where to buy
No verified retailer listings have been added for this hardware yet.
Retailer links do not guarantee stock or a current price.
Observed prices
No source-backed price observations recorded yet.
Historical observations retain their original currency. Prices are not converted or adjusted for regional taxes.
Memory & bandwidth
| Primary memory (comparison) | 748 GB coherent |
| Memory technology | Coherent LPDDR5X + HBM3e |
| Memory per GPU | 252 GB |
| Total GPU memory | 252 GB |
| Coherent total | 748 GB |
| CPU system RAM | 496 GB |
| GPU / system bandwidth | 7,100 GB/s /GPU |
| GPU bandwidth | 7,100 GB/s |
| CPU bandwidth | 396 GB/s |
| Peak FP4 | 20,000 TFLOPS · FP4 sparse (theoretical) |
System memory, aggregate GPU memory and memory available to one accelerator are separate measurements. Do not treat total multi-GPU memory as a single unified pool.
System & deployment
| Networking | ConnectX-8 800 Gbps |
| Software | Ubuntu 24.04 with NVIDIA AI Developer Tools |
Inference runtimes
Runtime support is not a model throughput or memory-fit benchmark.
748 GB coherent addressable memory = 252 GB GPU HBM3e + up to 496 GB CPU LPDDR5X. GPU memory is 252 GB.