Eathtek Replacement 3.5" SAS Hard Drive HDD Caddy For Lenovo ThinkServer TD340 T168 RD530 RD540 series, Compatible with part number 03X3969 31052813 31050780 (Not 2.5" caddy! Comes with screws) Not 2.5" caddy! Comes with screws Compatible Model Numbers: Lenovo ThinkServer TD340 T168 RD530 RD540 03X3969 31052813 31050780 Replacement and high quality,Replace your faulty, cracked or broken hdd caddy Each hdd caddy is tested before shipping All pictures are taken from the real item, please check carefully before bidding.