OCZ Vertex Plus 2.5" 60GB. Solid-state drive capacity: 60 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA II. Read speed: 180 MB/s, Write speed: 90 MB/s, Random write (4KB): 2500 IOPS. Power consumption (standby): 0.3 W. Mean time between failures (MTBF): 1500000 h. Windows operating systems supported: Windows XP, Windows Vista, Windows 7