The 2TB WD BLUE is a high-quality HDD that delivers incredible performance thanks to its easy to use a 3.5-inch form factor that is just 26.1 mm in height, the drive runs at 5400 rpm, the WD BLUE HDD’s technical highlight is it’s 6Gb/s interface, which is the latest SATA III standard. This drive, in particular, has a storage capacity of 2TB and has a 64GB Cache.