WD400-55DNA0 Western Digital Caviar 40GB 7200RPM ATA-100 2MB Cache 3.5-inch Hard Drive

Experience reliable, high‑performance storage with the Western Digital Caviar hard drive, designed to keep your desktop or workstation running smoothly. Engineered for durability, this drive delivers swift data access and dependable operation, making it ideal for both everyday computing and demanding applications. Its proven technology ensures quiet, efficient performance while providing ample space for your operating system, applications, and valuable files. Easy to install in any standard desktop chassis, this drive offers a seamless upgrade path for users seeking to boost capacity and speed without compromising stability. Trust Western Digital’s reputation for quality and enjoy a hassle‑free computing experience.