A solid choice for giving you copious amounts of extra disk space, this Western Digital 120 GB hard drive is ultra-fast and sturdy. IT professionals and do-it-yourselfers alike can take pride in the specifications and compatibility of this Western Digital 120 GB hard drive. The Western Digital Caviar is the ultimate companion for handling intensive data storage needs. This internal 3.5" hard drive is a snap to install, which means you are able to easily use it in computers supporting the ATA-100 interface. The Western Digital Caviar is wonderfully stable, with a rugged design, allowing you to enjoy the benefits of sustained flawless performance without worry of disk crashes or mechanical breakdowns. Since this internal 3.5" hard drive has an awesome 7200 RPM disk speed, you can backup lots of documents, photos, and MP3s without the wait. This Western Digital 120 GB hard drive allows you to attain the fastest possible data rates when analyzing data, transferring data, or loading software with its 2 MB buffer size. Also, with the large storage space on the Western Digital Caviar, you can keep tons of your favorite downloaded music, uploaded digital photos, and software programs with confidence.