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ProductApple Mac Studio (M3 Ultra)NVIDIA GeForce RTX 4090ASUS Ascent GX10AMD Radeon PRO W7900
TypeComplete systemStandalone componentComplete systemStandalone component
PricePrice not verifiedPrice not verifiedPrice not verifiedPrice not verified
Price source checkedNot verifiedNot verifiedNot verifiedNot verified
ManufacturerAppleNVIDIAASUSAMD
Marketplace links0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches0 exact listings · 6 searches
Spec 1Memory: Up to 512 GB unifiedMemory: 24 GB GDDR6XSuperchip: GB10 Grace BlackwellMemory: 48 GB GDDR6 ECC
Spec 2Chip: M3 UltraInterface: PCIe 4.0 x16Memory: 128 GB unifiedInterface: PCIe 4.0 x16
Spec 3Software: MLX, llama.cppTBP: 450 W: Power: 295 W
Power~480 W max450 W, 16-pin connector; 850 W PSU recommendedExternal PSU295 W, 2× 8-pin
HostStandalonePCIe x16 slot; discontinued, mostly used/refurbished stockStandalonePCIe x16; ROCm support varies by framework
Warranty1 year (Apple)Varies; often seller warranty on used unitsPer ASUS3 years (AMD)