400EB-11CPF0 Western Digital Protege 40GB 5400RPM ATA-100 2MB Cache 3.5-inch Hard Drive

Western Digital’s Protege 400EB-11CPF0 hard drive delivers 40 GB of storage in a 3.5‑inch form factor, making it well suited for desktop and workstation environments that require reliable, high‑capacity data storage. The drive operates at 5,400 revolutions per minute, providing a balance of performance and power consumption for everyday computing tasks. It supports the ATA‑100 interface, ensuring compatibility with a wide range of motherboards and controllers that use the SATA/IDE standard. With a 2‑MB cache, the drive can efficiently manage data transfers and reduce latency during read/write operations. This unit is ideal for users who need dependable, mid‑range storage for documents, media, and light application workloads.