This is 3.5 inch tray/caddy, not 2.5 inch
Compatible Lenovo Part Numbers:
31052813, 31050780, 03X3969, 03X3835
Works with the following Lenovo servers.*
RD330, RD430, RD530, RD630, RD830
RD340, RD440, RD540, RD640
TS430, TS530, TS440
TD330, TD340
T168
*List is by no means complete. Please check pictures of tray to see if it is what you have.
Package Content:
6 * Lenovo 3.5" Tray Caddy
24 * Mounting Screws