NVIDIA DGX Spark is a compact desktop AI supercomputer powered by the Grace Blackwell GB10 superchip, designed to build and run autonomous agents locally. It delivers up to one petaflop of AI performance, features 128GB unified memory, and supports large models without relying on cloud resources. Integrated NVIDIA AI software, tools, and networking enable fast development, fine tuning, and inference for advanced workloads. Its energy efficient design supports always on operation for developers, researchers, and data scientists. DGX Spark accelerates prototyping, edge applications, and production grade AI with enterprise ready performance, security, and scalability in a desktop form factor compactly.
| Architecture | NVIDIA Grace Blackwell |
| GPU | Blackwell Architecture |
| CPU | 20-core Arm, 10 Cortex-X925 + 10 Cortex-A725 Arm |
| CUDA Cores | Blackwell Generation |
| Tensor Cores | 5th Generation |
| RT Cores | 4th Generation |
| Tensor Performance1 | Up to 1 PFLOP FP4 |
| System Memory | 128 GB LPDDR5x, coherent unified system memory |
| Memory Interface | 256-bit |
| Memory Bandwidth | 273 GB/s |
| Storage | 4 TB NVME.M2 with self-encryption |
| USB | 4x USB TypeC |
| Ethernet | 1x RJ-45 connector 10 GbE |
| NIC | ConnectX-7 NIC @ 200 Gbps |
| Wi-Fi | WiFi 7 |
| Bluetooth | BT 5.4 |
| Audio-output | HDMI multichannel audio output |
| Power Supply | 240 Watts |
| GB10 TDP2 | 140 W |
| Display Connectors | 1x HDMI 2.1a, Up to 3x DisplayPort over USB-C (DP Alt Mode) |
| NVENC | NVDEC | 1x | 1x |
| OS | NVIDIA DGX™ OS |
| System Dimensions | 150 mm L x 150 mm W x 50.5 mm H |
| System Weight | 1.2 kg |
