Replace your faulty server parts with a GENUINE ORIGINAL OEM part for desktops.
Type: Hard Drive Caddy / Tray / Cover / Bezel / Filler
Part number: U6436
Fits model(s): Genuine OEM DELL Dimension OptiPlex Precision Desktop Tower Mini
Compatible Part number (s): U6436 0U6436 CN-0U6436 YJ221 G8354
Please look at the picture(s) and check part number to make sure it's compatible with your system.