SAMSUNG 850 EVO 2.5 500GB SATA III 3-D Vertical Internal Solid State Drive (SSD) MZ-75E500B/AM Max Sequential Read: Up to 540 MBps Max Sequential Write: Up to 520 MBps 4KB Random Read: Up to 98,000 IOPS Controller: Samsung MGX Controller 4KB Random Write: Up to 90,000 IOPS Power Consumption (Active): 3.0W Power Consumption (Idle): 50mW Used For: Consumer