Intel 535 Series 180GB 2.5-Inch Internal Solid State Drive SSDSC2BW180H6R5 Sequential reads of up to 540 MB/s and sequential writes of up to 490 MB/s SATA 3.0 6Gb/S Mean Time Between Failures 1.2 Million Hours Warranty Period: 5 Years Power Consumption reduced greater then 90% compared to traditional hard drive