Replace your faulty server parts with a GENUINE ORIGINAL OEM part for servers.
Type: Server Miscellaneous
Part Number: T8560
Fits model(s): Genuine OEM DELL PowerEdge 1855 Server
Compatible part number(s): T8560 0T8560 CN-0T8560 M9793
Please look at the picture(s) and check part number to make sure it's compatible with your system.