Crucial RealSSD C300. Solid-state drive capacity: 64 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA. Read speed: 355 MB/s, Write speed: 70 MB/s, Data transfer rate: 6 Gbit/s. Operating voltage: 5 V, Power consumption (standby): 0.092 W, Power consumption (read): 1.7 W. Mean time between failures (MTBF): 1200000 h. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -55 - 95 °C, Operating shock: 1500 G