Seagate Constellation ES.2 S eries3TB ST33000650SS 7200RPM 6Gb/s SAS HDD unitSeagate Constellation ES.2 3TB enterprise internal hard drive, Model ST33000650SS, designed for high-capacity server and enterprise storage applications. The label confirms the 3TB capacity, 6Gb/s SAS interface, Constellation ES.2 series, and 9SM260-004 part number. Seagate documentation lists this exact model as a 3TB, 7200 RPM SAS drive with 64MB cache. SeagateThe drive is used and shows normal signs of previous use, including cosmetic wear and labeling.- No other accessories included We have 30 day returns money back guarantee . We do our best to describe everything accurately. This item is sold as shown are pulled from working environments and may include components that are untested, incomplete, or non-functional. While we do our best to describe each item accurately, we cannot guarantee the performance or compatibility of every part. See photos for more details. By purchasing, you acknowledge and accept this item is being sold as-is with no guarantees beyond what is stated.