Storage Capacity: 4 TBSpindle Speed (rpm): 7200Wireless LAN: NoDrive Interface: Near Line SAS (NL-SAS)Drive Interface Standard: 12Gb/s SASDrive Type: InternalForm Factor: 3.5″Hot Swappable: YesDevice Supported: Storage SystemCompatibility: Lenovo ThinkSystem DE Series Storage Systems:DE4000H 4U60 LFF, DE600S 4U60 LFF