Sandisk 64GB SATA. Solid-state drive capacity: 64 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA. Read speed: 490 MB/s, Write speed: 240 MB/s, Random write (4KB): 7200 IOPS. Mean time between failures (MTBF): 4100000 h. Operating temperature range (T-T): 10 - 60 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 10 - 80 %. Height: 9.5 mm