Versatile and dependable, the fierce Seagate barracuda drives build upon a reliable drive family Spanning 20 years. Count on affordable barracuda drives as 2.5 and 3.5 inch HDD solutions for nearly any application-working, playing and storing your movies and music. The ST6000DM003 hard drive from Seagate features 6TB of storage size in a 3.5" form factor. This drive connects to your system via the SATA 6 Gb/s interface so make sure you have an available port on your compatible motherboard. Advanced features of this HDD include a 256MB cache/buffer and 5400 rotational spin rate.