Workstations · Apple

Apple Mac Studio M3 Ultra 256GB 4TB

Apple Mac Studio M3 Ultra 256GB 4TB is a workstation desktop from Apple built on Apple M3 Ultra with 256GB of memory.

The Apple Mac Studio M3 Ultra 256GB 4TB is a workstation desktop from Apple powered by Apple M3 Ultra with 256GB of memory and 4TB of storage. It is aimed at maximum memory local AI on Apple silicon and gives buyers a ready made system instead of a bare board or parts list.

Specifications

Name	Apple Mac Studio M3 Ultra 256GB 4TB
Brand	Apple
Category	Workstations
Type	workstation desktop
Memory / capacity	256 GB
Storage	4 TB
Cores	32
Key spec	Processor: Apple M3 Ultra
Key spec	Memory: 256GB
Key spec	Storage: 4TB SSD
Key spec	Unified memory at 800GB/s
Key spec	Thunderbolt 5
Best for	maximum memory local AI on Apple silicon
Specs source	Apple product page
Last verified	2026-11-14