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ProductNVIDIA RTX A4000NVIDIA DGX Spark100G QSFP28 DAC cable 1 mCorsair HX1500i 1500 W ATX PSU
TypeStandalone componentComplete systemStandalone componentStandalone component
PriceList $1,000List $3,999Compare pricesCompare prices
ManufacturerNVIDIANVIDIAVariousCorsair
Offers6 marketplaces6 marketplaces6 marketplaces6 marketplaces
Spec 1Memory: 16 GB GDDR6 ECCSuperchip: GB10 Grace BlackwellSpeed: 100 Gb/sOutput: 1500 W
Spec 2Interface: PCIe 4.0 x16Memory: 128 GB unified LPDDR5xLength: 1 mEfficiency: 80 PLUS Platinum
Spec 3Power: 140 WStorage: Up to 4 TB NVMeType: Passive DACForm: ATX
Power140 W, 1× 6-pinApprox. 240 W external PSU—1500 W
HostPCIe x16 slotStandalone desktop; ConnectX-7 for pairing two unitsMatching QSFP28/QSFP56 ports; check NIC compatibilityWorkstations with 1–2 high-power GPUs; check connector revision
Warranty3 years (via partner)Per NVIDIA/OEM partnerVaries10 years (Corsair)