WD RE4 Enterprise 250GB 3.5" SATA Internal Hard Drive, 7200RPM, SATA 3 Gb/s Interface, 64MB Buffer Size

The WD RE4 Enterprise 250GB 3.5" SATA Internal Hard Drive combines 64 MB cache with dual processors and dual stage actuation for lightning-fast performance in demanding server and storage applications. Technologically advanced acoustics minimize noise. Cool drive operation and enhanced reliability features help protect the drive and the data stored on it.