The Western Digital 160GB HDD x2 Model: WD1600JS-75NCB2 is a set of two black internal desktop drives with a storage capacity of 160GB each. These hard drives have a rotation speed of 7200 RPM and are compatible with PCs. They are part of the WD Cavier SE product line and feature SATA interface technology. These removable drives are ideal for storing a large amount of data and can be easily installed in a desktop computer for added storage capacity. Made by Western Digital, a trusted brand in the industry, these HDDs are a reliable choice for expanding storage space on your computer. Both tested, formatted and work.