WD_BLACK performance storage is designed to enhance your PC experience across heavier computing tasks whether you are a digital artist, video editor, photographer, or gamer. Available with up to 256 MB of DRAM cache on higher capacity models, the WD_BLACK drive is optimized for drive performance so you can spend more time experiencing the things you love most. Enhance your PC’s performance even further when you combine a WD_BLACK drive with an SSD for a dual drive configuration, allowing you to benefit from the additional caching of your operating system onto the SSD for increased performance. All together, the WD_BLACK drive gives you the hard drive performance..