The Western Digital Blue is an HDD (Hard Disk Drive) with 2.5-inch form factor and internal enclosure. Featuring a 500 GB memory capacity, the Blue model provides storage space for the user's data. The device connects through SATA 3 interface and has a spindle speed of up to 5400 RPM, ensuring an efficient operation. It is thin and extremely portable too. In addition, this disk is designed for PC, Mac and has 16384 KB buffer size.