SAMSUNG 850 EVO M.2 2280 120GB SATA III 3-D Vertical Internal SSD Single Unit Version MZ-N5E120BW Max Sequential Read: Up to 540 MBps Max Sequential Write: Up to 500 MBps 4KB Random Read: Up to 97,000 IOPS Controller: MGX 4KB Random Write: Up to 89,000 IOPS Height: 2.30mm Width: 22.00mm Depth: 80.00mm