SAMSUNG 840 Pro Series 2.5 128GB SATA III MLC Internal Solid State Drive (SSD) MZ-7PD128BW 4KB Random Read: Up to 97,000 IOPS Controller: Samsung MDX Controller Sustained Sequential Read: 540MBps Sustained Sequential Write: 520MBps 4KB Random Write: Up to 90,000 IOPS Power Consumption (Active): 0.069W Power Consumption (Idle): 0.054W Used For: Consumer