Arch Memory 120 GB SATA 3 III SSD Solid State Drive Certified for the Lenovo ThinkCentre M70z 7584 Series Arch Memory is a Registered Trademark of Arch Computer, LLC Capacity: 120GB Form Factor: 2.5-Inch Standard Interface: SATA III (6Gb/s) (backwards compatible with SATA 2.0) NAND Flash: TLC