Super Talent Technology 240GB SATA II SSD. Solid-state drive capacity: 240 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA II. Read speed: 285 MB/s, Write speed: 275 MB/s, Data transfer rate: 3 Gbit/s. Operating voltage: 5 V. Data retention: 10 year(s), Mean time between failures (MTBF): 1000000 h. Operating temperature range (T-T): 0 - 70 °C, Operating relative humidity range: 5 - 90 %, Operating shock: 1500 G