The Seagate Medalist 1720 ST31720A is a high-performance internal hard drive with a storage capacity of 1.7GB. It features a rotation speed of 4500 RPM and a cache size of 128KB, providing fast reading speeds of up to 530MB/s. This HDD is compatible with various devices such as PCs, memory vaults, iOS devices, and Macs. With a sleek silver color and a form factor of 3.5 inches, it is designed for desktop use. Additionally, it comes with a manufacturer's warranty of 3 years and includes a temperature sensor for reliable operation. As part of the Medalist product line by Seagate, this HDD offers reliable storage solutions for a range of devices.