HP 507614-B21 / MB1000FAMYU 1TB 7200 RPM SFF 6GB/s (3.5") Enterterprise SAS Hard Drives. Come w/ drive and tray. New factory sealed retail box w/ 3 year HP warranty. NOTE: these are 3.5" SAS drives HP 6Gb/sec SAS Enterprise and Midline hard drives deliver high performance solutions for hosting high transaction based applications. Available in HP hot plug carriers or non-hot plug. The HP SAS Enterprise and Midline hard drives come in both 2.5in (SFF) and 3.5in (LFF) industry standard form factors and are available in a variety of capacity points to meet a wide range of requirements. The SAS interface was designed and engineered for high availability, enterprise-class data storage where performance, reliability and data integrity are crucial.