Western Digital Caviar Blue is an HDD with 2.5" form factor. Featuring 500 memory capacity and 8192 KB buffer size, the Caviar Blue model provides storage space for the user's data. The device connects through Serial ATA interface and has a spindle speed of 5400 RPM, ensuring efficient operation. The Western Digital hard drive's dimensions are 0.37 inch height, 2.75 inch width, 3.9 inch depth, and its weight is 0.21 lbs.