The Deskstar NAS drive is a 3.5-inch, 7200 RPM hard drive that offers an amazing blend of reliability and performance. It is the ideal solution for desktop NAS systems, offering transfer speeds that are 20 percent faster than drives running at 5,400 rpm and seek times of less than 12 ms. In addition, Deskstar NAS hard drives feature a rotating vibration sensor and achieve MTBF reliability of 1M. All HGST hard drives meet the highest quality standards.