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
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

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Release Information

Release Q1 2025
Vendor NVIDIA
OS NVIDIA DGX OS