2.5inch Ultra-slim 1TB Seagate BarraCuda HDD The 1TB Seagate BarraCuda is a high-quality HDD that delivers incredible performance thanks to its easy to use 2.5 inch form factor that is just 7mm in height the drive runs at 5400 rpm the BarraCuda\'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 1000GB and a 128MB Cache. Versatility at the Ready Versatile and dependable Seagate\'s fierce BarraCuda drives are inspired by the past and ready for the future. BarraCuda 2.5-inch drives in 7 mm and 15 mm z-heights are a cost-effective way to handle all your PC needs. Multi-Tier Caching Technology All hard drives in the BarraCuda family come equipped with Multi-Tier Caching Technology (MTC). MTC takes your PC to new performance levels. By applying intelligent layers of NAND Flash DRAM and media cache technologies BarraCuda delivers improved read and write performance by optimising data flow allowing you to load apps and tiles faster than ever before. Major Capacity Store it all. With capacities up to 5 TB BarraCuda leads the market with the widest range of storage options available. With a 2.5-inch form factor users can upgrade their laptop mobile external storage or all-in-one PC systems with ease..