Eathtek Replacement 3.5" SAS Hard Drive HDD Tray Caddy For Lenovo ThinkServer RD330 RD530 RD540 RD430 RD440 RD630 RD640 RD830 T168 series, Compatible part# 03X3969 31050780 31052813(Not 2.5 inch!!) Compatible Model Number: Lenovo ThinkServer RD330 RD530 RD540 RD430 RD440 RD630 RD640 RD830 T168 Compatible Part Number: 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.