This product is New, Factory Sealed, and Guaranteed AuthenticIncrease the storage capacity of your system with the 1TB 7200 RPM SAS Hard Drive from Dell(TM). Featuring SAS interface, this drive offers a rotational speed of 7200 RPM, this drive provides fast disk access. This product has been tested and validated on Dell systems to ensure it will work with your computer. It is supported by Dell Technical Support when used with a Dell system. Dell-IMSourcing NEW F/S 1TB 3.5in. Internal Hard Drive is one of many Internal Hard Drives available through Office Depot. Made by Dell-IMSourcing.