WD Black hard drives are designed for desktop PC and power users who demand performance, with a variety of upgrade options available. WD Black drives deliver inspiring performance for storing large multimedia files of photos, videos and applications. Tuned for performance and perfect for gaming. WD Black drives offer large capacities to store your expanding gaming library. Every WD Black drive is backed by an industry leading 5-year limited warranty. 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. 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. Helps reduce system-induced vibrations from other components, optimizing performance and reliability.