WD6400AACS-00G8B1 Western Digital Caviar Green 640GB 5400RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive

Experience dependable, energy‑efficient storage with Western Digital’s Caviar Green hard drive, designed to keep your digital world running smoothly. Engineered for quiet operation, it delivers steady performance for everyday computing, from expanding your media library to backing up important files. Its intelligent power‑management technology reduces energy consumption without sacrificing reliability, making it an ideal choice for both home and office environments. With a robust build and proven Western Digital quality, you can trust this drive to protect your data while operating unobtrusively in the background. Upgrade your system and enjoy the peace of mind that comes from trusted, long‑lasting storage.