Workstation
An NVIDIA DGX Spark. Photo: Daniel Lu, CC BY-SA 4.0, via Wikimedia Commons, background removed and resized.DGX Spark: 150 × 50.5 mm, 150 mm deep. Model-specific illustration, drawn to scale.
Sold by NVIDIA Marketplace
NVIDIA DGX Spark
1 GPU · 128 GBPrice checked 25 Oct 2026
One GB10 Grace Blackwell chip with 128 GB of memory that the CPU and GPU share, a 4 TB drive and a 240 W power supply, in a 150 mm square box. Sold by NVIDIA directly.
$6,950
Key features
- A petaflop on your desk: NVIDIA rates the GB10 chip at up to 1 PFLOP of FP4, with sparsity
- 128 GB shared by CPU and GPU: room for a ~51-billion-parameter model at 16-bit, ~204 billion at 4-bit
- 240 W power supply, less than an RTX 5090 draws on its own (575 W)
- 150 × 150 × 50.5 mm, 1.2 kg
- 4 TB NVMe, 200 Gb/s ConnectX-7, 10 GbE and Wi-Fi 7
Parts and prices
| Part | Qty | Price |
|---|---|---|
| NVIDIA DGX Spark | 1 | $6,950 NVIDIA Marketplace, 25 Oct 2026 |
Specifications
NVIDIA DGX Spark
- GPUs
- 1 × GB10 Grace Blackwell (128 GB each)
- CPU
- 20-core Arm (10 Cortex-X925 + 10 Cortex-A725)
- System memory
- 128 GB LPDDR5x, shared by CPU and GPU
- Storage
- 4 TB NVMe, self-encrypting
- Networking
- ConnectX-7 at 200 Gb/s, 10 GbE, Wi-Fi 7
- Form factor
- Desktop, 150 × 150 × 50.5 mm, 1.2 kg
- Power
- 240 W (power supply)
Sources: NVIDIA DGX Spark specifications ↗
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.