This WD Black 500GB Internal Serial ATA Hard Drive features NoTouch Ramp Load technology, which prevents wear and tear on the drive for increased durability. The 64MB cache buffer offers speedy processing for efficient performance. Designed to enhance your PC experience across heavier computing tasks whether you are a digital artist, video editor, photographer, or gamer. 500GB storage capacity For storing digital files, including music, movies and more. Serial ATA interface Enables simple connection to your computer. Suitable for use in high-performance workstations, all-in-one computers, home media computers and desktops. Data transfer rates up to 6 Gbps For quick response when you are updating files. 64MB cache buffer Along with 7200 rpm speed ensures fast processing. Corruption Protection technology Limits potential data loss during power loss to the drive. High Resolution Controller (HRC) supports increased data precision. Manual, software, cables and mounting screws are not included.