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ProductNVIDIA DGX SparkApple Mac Studio (M3 Ultra)AMD Radeon PRO W7900NVIDIA ConnectX-6 Dx 100GbE dual-port
TypeComplete systemComplete systemStandalone componentStandalone component
PricePrice not verifiedPrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verifiedNot verified
ManufacturerNVIDIAAppleAMDNVIDIA
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 ECCPorts: 2× QSFP56
Spec 2Memory: 128 GB unified LPDDR5xChip: M3 UltraInterface: PCIe 4.0 x16Speed: 100 Gb/s
Spec 3Storage: Up to 4 TB NVMeSoftware: MLX, llama.cppPower: 295 WInterface: PCIe 4.0 x16
PowerApprox. 240 W external PSU~480 W max295 W, 2× 8-pin~19 W
HostStandalone desktop; ConnectX-7 for pairing two unitsStandalonePCIe x16; ROCm support varies by frameworkPCIe 4.0 x16 slot
WarrantyPer NVIDIA/OEM partner1 year (Apple)3 years (AMD)Per seller/partner