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ProductNVIDIA GeForce RTX 4090NVIDIA DGX Spark100G QSFP28 DAC cable 1 m
TypeStandalone componentComplete systemStandalone component
PriceList $1,599List $3,999Compare prices
ManufacturerNVIDIANVIDIAVarious
Offers6 marketplaces6 marketplaces6 marketplaces
Spec 1Memory: 24 GB GDDR6XSuperchip: GB10 Grace BlackwellSpeed: 100 Gb/s
Spec 2Interface: PCIe 4.0 x16Memory: 128 GB unified LPDDR5xLength: 1 m
Spec 3TBP: 450 WStorage: Up to 4 TB NVMeType: Passive DAC
Power450 W, 16-pin connector; 850 W PSU recommendedApprox. 240 W external PSU—
HostPCIe x16 slot; discontinued, mostly used/refurbished stockStandalone desktop; ConnectX-7 for pairing two unitsMatching QSFP28/QSFP56 ports; check NIC compatibility
WarrantyVaries; often seller warranty on used unitsPer NVIDIA/OEM partnerVaries