The product is a lot of 118 Seagate, Toshiba, and WD Black internal laptop hard drives with a storage capacity of 500GB each. These 2.5'' drives are compatible with laptops, PCs, and Macs, and have a rotation speed of 7200 RPM. The drives are designed for high read speeds of up to 500MB/s and feature a SATA III and SATA I interface for efficient data transfer. With a cache size of 128 MB and a low noise level, these HDDs are ideal for storing a large amount of data for various computing needs.