This Hitachi internal desktop drive, model HDS721050CLA662, offers a storage capacity of 500GB and utilizes the SATA I interface for fast and reliable data transfer. It operates at 7200 RPM for quick access to your files. This hard drive is perfect for upgrading your computer's storage capacity and improving performance. Whether you need to store large files, run demanding applications, or simply improve your computer's speed, this Hitachi hard drive is a great choice.