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ProductNVIDIA DGX SparkApple Mac Studio (M3 Ultra)NVIDIA GeForce RTX 4090NVIDIA L40S
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: 24 GB GDDR6XMemory: 48 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.cppTBP: 450 WPower: 350 W
PowerApprox. 240 W external PSU~480 W max450 W, 16-pin connector; 850 W PSU recommended350 W, passive
HostStandalone desktop; ConnectX-7 for pairing two unitsStandalonePCIe x16 slot; discontinued, mostly used/refurbished stockServer chassis with front-to-back airflow
WarrantyPer NVIDIA/OEM partner1 year (Apple)Varies; often seller warranty on used unitsVia authorized partner