WUH721818ALE6L4 Western Digital DC HC550 18TB 6Gbps 7.2K SATA 3.5" Hard Drive - Used

The Western Digital Ultrastar DC HC550 18TB Hard Drive (WUH721818ALE6L4) is an enterprise-class internal hard drive designed for high-capacity data center storage, server environments, and demanding storage applications. It features an 18TB capacity, a SATA 6Gb/s interface, a 7200 RPM rotational speed, and a 512MB cache buffer. Built on a helium-filled platform, this drive uses Energy-Assisted Magnetic Recording (EAMR) technology and Conventional Magnetic Recording (CMR) to support high-density data storage and sustained workloads. With a sustained transfer rate of up to 269 MB/s, it is suitable for compatible servers, storage systems, and enterprise platforms that support 3.5-inch SATA hard drives.