WORK HARD. PLAY HARD. STORE HARDER.WD Black hard drives are designed for desktop PC and power users who demand performance, with a variety of upgrade options available.FOR LOADING GAMES OR LARGE FILESThe 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 TRANSFERWith 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 RELIABILITYHelps reduce system-induced vibrations from other components, optimizing performance and reliability.