The WD Ultrastar DC HC550 18TB 72.K SAS 12Gb/s WUH721818AL5204 is an internal desktop drive from Western Digital with a storage capacity of 18TB. It features a SAS interface with a read speed of 269MB/s and a rotation speed of 7200 RPM. This 3.5-inch HDD is part of the Ultrastar product line and has a cache size of 512 MB, making it suitable for high-performance computing and storage needs. The silver-colored drive is designed for reliability and efficiency in data storage and retrieval.
