Boost the performance and robustness of your HP Business Desktop PC with an HP Solid State Drive. The HP Solid State Drives are a drop-in replacement for the 2.5-inch or 3.5-inch (with bracket) hard disk drive of some HP Compaq Business Desktop PCs providing many performance and durability improvements over traditional Hard Disk Drive (HDD) technology. - Take the worry out of storing your data with a hard drive with no moving parts - Get faster transfer speeds and higher cell endurance with Intel NAND flash memory Multi Level Cell (MLC) components - Significantly improve boot up, shut down and application loading times.