The Axiom Hard Drive features enterprise class reliability with the power and performance efficiency that makes it ideal for capacity optimized, 24x7 multi-drive server and storage environments. Its large drive cache allows much faster access to data on the platters within the hard drive. This 600 GB hard drive offers a spindle speed of 15000 rpm for fast read/write rates. The 2.5-inch SFF drive is compatible with a wide range of Cisco servers.