Features Features FOR LOADING GAMES OR LARGE FILES The WD Black drive features a dual-core processor that offers twice the processing capability as a standard single-core processor to maximize drive performance. HIGH-SPEED DATA TRANSFER With 128MB of cache on 5TB and 6TB models, WD's Dynamic Cache Technology improves performance in real time to allocate and optimize cache between reads and writes. INCREASED RELIABILITY Helps reduce system-induced vibrations from other components, optimizing performance and reliability. EASY BACKUP AND UPGRADE Acronis True Image WD Edition software, available as a free download, can clone drives and backup your operating system, applications, settings and all of your data. Usage Gaming Hard Drives