This 400GB Seagate Cheetah NS hard drive is designed for use in servers and other high-performance computing systems. With a 3.5-inch form factor and a spindle speed of 10,000 RPM, this hard drive provides fast and reliable storage for your important data.The drive uses Fibre Channel interface and has a cache of 16MB. It has been previously used but has been fully tested and is in good working condition. This hard drive is a great choice for those looking for high-capacity and high-speed storage solutions.