The product is a bundle of 2 used Seagate Barracuda 7200.12 internal desktop hard disk drives. These 3.5-inch HDDs are designed for PC compatibility and have a silver color. With a rotation speed of 7200 RPM and HDD storage format, these Barracuda drives offer reliable storage solutions for your desktop computer needs, I have no way of testing them if they work or not but from the boz I took it from had items that were indeed working but maybe some other items weren’t but please buy at your own risk.