NVIDIA DGX Spark Quad Stack Bundle
The largest GB10 configuration links four DGX Spark units for 512 GB unified memory and 4,000 TFLOPS FP4. Handles the largest open-weight models entirely on desktop hardware, bridging the gap between workstation and datacenter deployments.
Grace Blackwell Architecture · 512GB Unified Memory · 4.0K TOPS
Grace Blackwell Q1 2025 Unified Memory NVIDIA DGX OS
Product Image
Coming Soon
AI Performance
4.0K
TOPS
Memory
512GB
LPDDR5x
Max Model
810B
parameters
Networking
200
Gbps
Full Specifications
| Architecture & Compute | |
|---|---|
| Architecture | Grace Blackwell |
| SoC Model | GB10 |
| GPU Architecture | NVIDIA Blackwell |
| Tensor Cores | 5th Generation |
| RT Cores | 4th Generation |
| CPU Architecture | ARMv9.2-A |
| CPU Cores | 80 cores |
| CPU Details | 4x (10x Cortex-X925 + 10x Cortex-A725) |
| Memory | |
| Capacity | 512 GB |
| Type | LPDDR5x |
| Bandwidth | 273 GB/s |
| Interface | 256-bit |
| Unified Memory | Coherent CPU-GPU |
| Performance | |
| Peak TFLOPS | 4.0 |
| Peak TOPS (AI) | 4.0K TOPS |
| FP4 Performance | 4.0K TOPS |
| Max Model Parameters | 810 billion |
| Storage | |
| Capacity | 16 TB NVMe M.2 PCIe 4.0 |
| Type | NVMe M.2 PCIe 4.0 |
| Networking & Connectivity | |
| SmartNIC | ConnectX-7 |
| NIC Bandwidth | 200 Gbps |
| Ethernet | 10GbE |
| WiFi | WiFi 7 |
| Bluetooth | Bluetooth 5.4 w/LE |
| USB Ports | 16x USB Type-C (4 per unit) |
| Physical Specifications | |
| Dimensions (W×D×H) | 150 × 150 × 50.5 mm |
| Weight | 4.8 kg |
| Power Supply | 960W |
| TDP | 560W |
Where to Buy
| Provider | Price | Buy |
|---|---|---|
NVIDIA Marketplace | $18,796 checked Aug 9, 2026 | Buy |
Prices are read from the seller on the date shown and are not tracked live. Confirm with the seller before ordering.
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Release Information
| Release | Q1 2025 |
| Vendor | NVIDIA |
| OS | NVIDIA DGX OS |