The Western Digital blue (WD3200LPVX) Hard Disk Drive comes with an internal enclosure and a 2.5" form factor. Installation and configuration is made easy with this hard drive that is designed for PC/Mac and connects through SATA III interface. With a buffer size of 8192 KB and a spindle speed of 5400 RPM, this HDD functions smoothly. This Western Digital model is available in blue with 320 GB memory capacity, providing storage space for the user data.