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ProductNVIDIA DGX SparkNVIDIA GeForce RTX 4090Samsung 990 PRO 4TB NVMe
TypeComplete systemStandalone componentStandalone component
PricePrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verified
ManufacturerNVIDIANVIDIASamsung
Marketplace links0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches
Spec 1Superchip: GB10 Grace BlackwellMemory: 24 GB GDDR6XCapacity: 4 TB
Spec 2Memory: 128 GB unified LPDDR5xInterface: PCIe 4.0 x16Interface: PCIe 4.0 x4 M.2
Spec 3Storage: Up to 4 TB NVMeTBP: 450 W:
PowerApprox. 240 W external PSU450 W, 16-pin connector; 850 W PSU recommended—
HostStandalone desktop; ConnectX-7 for pairing two unitsPCIe x16 slot; discontinued, mostly used/refurbished stockM.2 slot
WarrantyPer NVIDIA/OEM partnerVaries; often seller warranty on used units5 years (Samsung)