Add some much needed storage space to an aging PC with the massive Western Digital WD5000AAKB 500 GB internal hard disk drive. Incorporating Preemptive Wear Leveling technology, the drive arm sweeps across the disk in a manner unlike other mechanical hard drives, reducing wear and tear on the surface of the drive. IntelliSeek technology is also included, calculating the most efficient seek speeds to reduce noise and vibration, and also significantly lowering power consumption. Operating at 7200 RPM, it is faster than many other mechanical hard drives, with an average seek time of less than 9 seconds. A fast and reliable HDD, the drive is the answer to any desktop storage dilemma.