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ProductNVIDIA DGX SparkNVIDIA RTX A4000AMD Radeon PRO W7900Samsung 990 PRO 4TB NVMe
TypeComplete systemStandalone componentStandalone componentStandalone component
PricePrice not verifiedPrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verifiedNot verified
ManufacturerNVIDIANVIDIAAMDSamsung
Marketplace links0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches
Spec 1Superchip: GB10 Grace BlackwellMemory: 16 GB GDDR6 ECCMemory: 48 GB GDDR6 ECCCapacity: 4 TB
Spec 2Memory: 128 GB unified LPDDR5xInterface: PCIe 4.0 x16Interface: PCIe 4.0 x16Interface: PCIe 4.0 x4 M.2
Spec 3Storage: Up to 4 TB NVMePower: 140 WPower: 295 W:
PowerApprox. 240 W external PSU140 W, 1× 6-pin295 W, 2× 8-pin—
HostStandalone desktop; ConnectX-7 for pairing two unitsPCIe x16 slotPCIe x16; ROCm support varies by frameworkM.2 slot
WarrantyPer NVIDIA/OEM partner3 years (via partner)3 years (AMD)5 years (Samsung)