NVIDIA · Desktop System
DGX Spark (GB10)
Grace Blackwell
Prefill · prompt processing
Not benchmarked
Inference · generation speed
Not benchmarked
GPU / CPU chip
GB10 Blackwell / Arm Cortex-X925 + Cortex-A725
RAM / VRAM
128 GB unified
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 Spark |
| Model / configuration | GB10 / 940-54242-0000 |
| Released | 2025 |
| Manufacturer | NVIDIA |
| Hardware category | Desktop System |
| Architecture | Grace Blackwell |
| Form factor | Desktop (150 × 150 × 50.5 mm) |
| CPU | Arm Cortex-X925 + Cortex-A725 |
| CPU cores | 20 |
| Accelerator model | GB10 Blackwell |
| Accelerator count | 1 |
Where to buy
NVIDIA Marketplace
US
ThinkRobotics
US
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) | 128 GB unified |
| Memory technology | Unified LPDDR5X |
| Unified memory | 128 GB |
| GPU / system bandwidth | 273 GB/s unified |
| Memory bus | 256-bit |
| Peak FP4 | 1,000 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 | 10 GbE, ConnectX-7 200 Gbps, Wi-Fi 7 |
| Storage | 1 TB / 4 TB NVMe M.2 |
| Software | NVIDIA DGX OS |
Inference runtimes
Runtime support is not a model throughput or memory-fit benchmark.
128 GB unified CPU/GPU memory, not discrete GPU VRAM; 140 W chip TDP; 240 W power supply.