SAMSUNG 850 PRO 2.5 128GB SATA III 3-D Vertical Internal Solid State Drive (SSD) MZ-7KE128BW Max Sequential Read: Up to 550 MBps Max Sequential Write: Up to 470 MBps 4KB Random Read: Up to 100,000 IOPS Controller: Samsung MEX Controller 4KB Random Write: Up to 90,000 IOPS Power Consumption (Active): 2.8W Power Consumption (Idle): 0.05W MTBF: 2,000,000 hours