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ProductNVIDIA RTX A4000NVIDIA DGX SparkNVIDIA ConnectX-7 400GbE/NDR adapterCorsair HX1500i 1500 W ATX PSU
TypeStandalone componentComplete systemStandalone componentStandalone component
PriceList $1,000List $3,999Compare pricesCompare prices
ManufacturerNVIDIANVIDIANVIDIACorsair
Offers6 marketplaces6 marketplaces6 marketplaces6 marketplaces
Spec 1Memory: 16 GB GDDR6 ECCSuperchip: GB10 Grace BlackwellPorts: 1× OSFPOutput: 1500 W
Spec 2Interface: PCIe 4.0 x16Memory: 128 GB unified LPDDR5xSpeed: 400 Gb/sEfficiency: 80 PLUS Platinum
Spec 3Power: 140 WStorage: Up to 4 TB NVMeInterface: PCIe 5.0 x16Form: ATX
Power140 W, 1× 6-pinApprox. 240 W external PSU~25 W1500 W
HostPCIe x16 slotStandalone desktop; ConnectX-7 for pairing two unitsPCIe 5.0 x16 server slot; optics sold separatelyWorkstations with 1–2 high-power GPUs; check connector revision
Warranty3 years (via partner)Per NVIDIA/OEM partnerPer seller/partner10 years (Corsair)