The HP 160 GB Solid State Drive provides many performance and durability improvements over traditional Hard Disk Drive (HDD) technology. With no moving parts, solid state drives do not need to spin up or mechanically seek files like conventional hard disk drives do. These drive characteristics significantly improve boot-up, shut down, and application loading times as well as overall application responsiveness. The HP 160 GB Solid State Drive achieves sequential read rates of up to 250-megabyte (MB)/sec and sequential write rates of up to 100-megabytes (MB)/sec. - Store your data with a hard drive with no moving parts - Get faster transfer speeds and higher cell endurance with Multi Level Cell (MLC) NAND flash memory - Significantly improve boot up, shut down and application loading times