The Hitachi Travelstar 5K100 HTS541080G9AT00 is an 80GB internal hard disk drive with a storage capacity of 80GB. It features a 5400 RPM rotation speed for quick data access and transfer. This drive is part of the Travelstar product line from Hitachi, known for its reliability and performance in portable storage devices. Its 2.5-inch form factor makes it suitable for a variety of devices, providing ample storage space for files, photos, and videos.