Samsung MZ-5PA064B. Solid-state drive capacity: 64 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA. Read speed: 250 MB/s, Write speed: 170 MB/s, Random write (4KB): 11000 IOPS. Operating voltage: 5 V, Power consumption (standby): 0.14 W, Power consumption (read): 0.24 W. Mean time between failures (MTBF): 1500000 h. Operating temperature range (T-T): 0 - 70 °C, Operating shock: 1500 G