Enjoy the amazing storage performance of the Seagate 4TB Internal Desktop HDD. Combined with a massive 4TB of storage space and 64MB buffer memory, this excellent hard drive saves all your important files and other digital data. It also utilizes a SATA III interface with up to 6Gb/s data transfer rates for fast data transfers to your PC and other devices. With a OptiCache technology, it makes full use of microprocessor capabilities. If you are aiming for a large storage device for your home or office, go for the Seagate 4TB Internal Desktop HDD.