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ProductNVIDIA DGX SparkApple Mac Studio (M3 Ultra)NVIDIA L40SNVIDIA RTX A4000
TypeComplete systemComplete systemStandalone componentStandalone component
PricePrice not verifiedPrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verifiedNot verified
ManufacturerNVIDIAAppleNVIDIANVIDIA
Marketplace links0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches
Spec 1Superchip: GB10 Grace BlackwellMemory: Up to 512 GB unifiedMemory: 48 GB GDDR6 ECCMemory: 16 GB GDDR6 ECC
Spec 2Memory: 128 GB unified LPDDR5xChip: M3 UltraInterface: PCIe 4.0 x16Interface: PCIe 4.0 x16
Spec 3Storage: Up to 4 TB NVMeSoftware: MLX, llama.cppPower: 350 WPower: 140 W
PowerApprox. 240 W external PSU~480 W max350 W, passive140 W, 1× 6-pin
HostStandalone desktop; ConnectX-7 for pairing two unitsStandaloneServer chassis with front-to-back airflowPCIe x16 slot
WarrantyPer NVIDIA/OEM partner1 year (Apple)Via authorized partner3 years (via partner)