This Sun 540-6644 (XRB-ST1CE-80G7K) internal hard drive is the perfect addition to your computing setup. With a storage capacity of 80GB and a rotation speed of 7200 RPM, it can handle all your enterprise needs. Designed to work with Ultra 20, Ultra 40, and X2100 systems, this drive is a reliable choice for your data storage requirements. Its brand name is Sun, and it belongs to the category of Internal Hard Disk Drives, Hard Drives (HDD, SSD & NAS), and Drives, Storage & Blank Media for Computers/Tablets & Networking.