SAMSUNG 850 EVO 2.5 250GB SATA III 3-D Vertical Internal Solid State Drive (SSD) MZ-75E250B/AM Max Sequential Read: Up to 540 MBps Max Sequential Write: Up to 520 MBps 4KB Random Read: Random read (QD1) [IOPS]: up to 10,000 IOPS Random read (QD32) [IOPS]: up to 97,000 IOPS Controller: Samsung MGX Controller 4KB Random Write: Random Write (QD1) [IOPS]: up to 40,000 IOPS Random Write (QD32) [IOPS]: up to 88,000 IOPS Power Consumption (Active): 3.5W Power Consumption (Idle): 0.4W Used For: Consumer