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ProductNVIDIA RTX A4000NVIDIA DGX SparkSamsung 64GB DDR5-4800 ECC RDIMMCorsair HX1500i 1500 W ATX PSU
TypeStandalone componentComplete systemStandalone componentStandalone component
PriceList $1,000List $3,999Compare pricesCompare prices
ManufacturerNVIDIANVIDIASamsungCorsair
Offers6 marketplaces6 marketplaces6 marketplaces6 marketplaces
Spec 1Memory: 16 GB GDDR6 ECCSuperchip: GB10 Grace BlackwellCapacity: 64 GBOutput: 1500 W
Spec 2Interface: PCIe 4.0 x16Memory: 128 GB unified LPDDR5xType: DDR5 RDIMM ECCEfficiency: 80 PLUS Platinum
Spec 3Power: 140 WStorage: Up to 4 TB NVMeSpeed: 4800 MT/sForm: ATX
Power140 W, 1× 6-pinApprox. 240 W external PSU—1500 W
HostPCIe x16 slotStandalone desktop; ConnectX-7 for pairing two unitsDDR5 RDIMM server/workstation boards; check QVLWorkstations with 1–2 high-power GPUs; check connector revision
Warranty3 years (via partner)Per NVIDIA/OEM partnerVaries by seller10 years (Corsair)