These two 7,200 rpm 1 TB HDDs provide 3.5-inch form factor options that can be used as hot-swap drives. The addition of a 7,200 rpm offering to the IBM System x, BladeCenter, and Storage and I/O Blade family of 3.5-inch SATA HDDs offers the highest performing SATA options and will provide a wider selection of choices to satisfy a range of applications. These new drives are positioned at the top of our SATA HDD line based on increased performance.