Samsung MZ-7PC128D. Solid-state drive capacity: 128 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA. Read speed: 520 MB/s, Write speed: 320 MB/s, Random write (4KB): 30000 IOPS. Operating voltage: 5 V, Power consumption (standby): 0.078 W, Power consumption (read): 0.127 W. Mean time between failures (MTBF): 1500000 h. Operating temperature range (T-T): 0 - 60 °C, Operating vibration: 1500 G