Node Kits
NVIDIA DGX Spark
4/5
$3,999
NVIDIA's Grace Blackwell desktop for local AI development. The GB10 superchip pairs a 20-core Arm CPU with a Blackwell GPU over 128GB of coherent unified memory — a CUDA-native alternative to a Strix Halo box for prototyping large models before renting cloud GPUs.
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Specifications
| Chip | NVIDIA GB10 Grace Blackwell Superchip |
| CPU | 20-core Arm (10x Cortex-X925 + 10x A725) |
| Unified Memory | 128GB LPDDR5X (coherent) |
| AI Performance | 1 PFLOP (FP4, sparse) |
| Networking | ConnectX-7 (200GbE) |
Pros
- CUDA-native 128GB coherent memory for large-model dev
- 1 PFLOP FP4 in a desktop form factor
- ConnectX-7 lets two units pair for 405B-class models
Cons
- Sold mainly through NVIDIA and OEM partners — Amazon stock is the ASUS Ascent GX10 variant
- Premium price vs a Strix Halo box with similar memory
- Dev/prototyping box, not a value inference rig
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