This Western Digital WD Blue UltraSlim WD5000MPCK 500GB internal laptop drive is the perfect storage solution for your laptop. With a storage capacity of 500GB and a rotation speed of 5400RPM, you can store all your important files and documents without any hassle. Additionally, it comes with a SATA III interface and 16MB cache for faster data transfer speeds. This hard drive is compatible with laptops and has a form factor of 2.5 inches. It is a type of HDD and supports drive types of HDD. The item is 5 inches in length, 4 inches in width, and 2 inches in height. The California Prop 65 Warning on this product states that it contains a chemical known to the State of California to cause cancer. Buy this product with confidence and enjoy storing your data in a safe and secure manner.