WD Blue 4TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, , 256 MB Cache, 3.5"

WD Blue internal hard drives deliver reliability for office and web applications. They are ideal for use as primary drives in desktop PCs and for office applications. With a range of capacities and cache sizes, there's a WD Blue internal hard drive that's just right for you.