Silicon Power Velox V20-60GB SSD. Solid-state drive capacity: 60 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA. Read speed: 285 MB/s, Write speed: 275 MB/s. Security algorithms supported: 128-bit AES. Operating voltage: 4.5 V. Operating shock: 1500 G, Operating vibration: 20 G