SAMSUNG 850 EVO mSATA 250GB SATA III 3-D Vertical Internal SSD Single Unit Version MZ-M5E250BW Max Sequential Read: Up to 540 MBps Max Sequential Write: Up to 520 MBps 4KB Random Read: Up to 97,000 IOPS Controller: MGX 4KB Random Write: Up to 88,000 IOPS Power Consumption (Active): Read: 3.5W Write: 4.3W Power Consumption (Idle): 50mW Part Number: MZ-M5E250BW