NVIDIA DGX Spark Personal AI Supercomputer – GB10 Grace Blackwell, 128GB Unified Memory, 4TB SSD
NVIDIA DGX Spark Personal AI Supercomputer – GB10 Grace Blackwell, 128GB Unified Memory, 4TB SSD
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Features and Specifications
Features and Specifications
NVIDIA DGX Spark
A Grace Blackwell AI supercomputer for your desk. Built on the NVIDIA GB10 Grace Blackwell Superchip, DGX Spark is a complete local AI platform for developers, researchers, data scientists and students — run, fine-tune and deploy large AI models and always-on agents without depending on the cloud.
- NVIDIA GB10 Superchip – Blackwell GPU with 5th Gen Tensor Cores and a 20-core Arm CPU, up to 1 petaFLOP of FP4 AI performance
- 128 GB coherent unified system memory – inference on models up to 200 billion parameters and fine-tuning of models up to 70 billion parameters
- NVIDIA ConnectX-7 networking – cluster up to four DGX Spark systems for larger models (two systems: up to 400B parameters)
- NVIDIA AI software stack preinstalled – DGX OS (Ubuntu-based), CUDA, NIM microservices, NeMo, RAPIDS, Blueprints, plus PyTorch and Jupyter support
- NVIDIA Sync – connect from your laptop to monitor the system and launch VS Code, Cursor or AI Workbench remotely
- Compact desktop design – 150 x 150 x 50.5 mm, 1.2 kg, 240 W power supply
Specifications
| Part Number | 940-54242-0000-000 |
| Architecture | NVIDIA Grace Blackwell |
| Superchip | NVIDIA GB10 Grace Blackwell |
| GPU | Blackwell Architecture |
| CPU | 20-core Arm, 10 Cortex-X925 + 10 Cortex-A725 Arm |
| CUDA Cores | Blackwell Generation (6,144) |
| Tensor Cores | 5th Generation |
| RT Cores | 4th Generation |
| Tensor Performance | Up to 1 PFLOP FP4 (theoretical, with sparsity) |
| System Memory | 128 GB LPDDR5x, coherent unified system memory |
| Memory Interface | 256-bit |
| Memory Bandwidth | 273 GB/s |
| Storage | 4 TB NVMe M.2 with self-encryption |
| USB | 4x USB Type-C |
| Ethernet | 1x RJ-45 connector, 10 GbE |
| NIC | ConnectX-7 NIC @ 200 Gbps (2x QSFP ports) |
| Wi-Fi | Wi-Fi 7 |
| Bluetooth | BT 5.4 |
| Audio Output | HDMI multichannel audio output |
| Display Connectors | 1x HDMI 2.1a, up to 3x DisplayPort over USB-C (DP Alt Mode) |
| NVENC | NVDEC | 1x | 1x |
| Power Supply | 240 W (included) |
| GB10 TDP | 140 W |
| OS | NVIDIA DGX OS |
| System Dimensions | 150 mm L x 150 mm W x 50.5 mm H |
| System Weight | 1.2 kg |
| Operating Temperature | 5°C to 30°C |

