StorageTekPro&reg; 2.5" SFF Drive Tray Caddy for IBM/Lenovo X3650 M5, X3550 M5, X3250 M5, X3850 X6, X3950 X6. 00E7600 L38552 High Quality Lenovo OEM tray. Guranteed to work 100%. Caddy is for Lenovo servers with 2.5" hotswap drive configurations. Will not work for servers with 3.5" drive cage. Fit The Following Servers With 2.5" Hotswap Drive Bays: X3650 M5, X3550 M5, X3250 M5, X3100 M5, X3850 X6, X3950 X6, Compatible Part Number: 00E7600 L38552 4 x mounting screws included