9W5WV DELL New Dell/SEAGATE 1TB Constellation 2.5 6Gb/s 7200 RPM SAS Tray IT Parts should be replaced and installed by certified and qualified techs. Please ensure that your original part number matches this exactly, or check with the manufacture for compatibility. Customers are responsible for compatibility. These are all Genuine HP and Dell parts or systems. Dell 9W5WV 2.5 SFF 1TB 7.2K 7200RPM SAS Hot Plug Hard Drive in Dell 9W5WV 1TB 7.2K SAS 2.5 SFF 6GBps Hot Plug Hard Drive HDD Caddy 64mb cache 2 5 inch internal hard drive mfr p n 9w5wv part 9w5wv sku Dell Seagate Constellation.2 2.5 1TB SAS6GBs 7.2k ST91000640SS