00FK457 - IBM - Heatsink for System x3550 M5 00FK457 - IBM - Heatsink for System x3550 M5 $74.15 $62.84
00MV395 - IBM - Fan Module for x3550 M5 Server 00MV395 - IBM - Fan Module for x3550 M5 Server $89.57 $75.91
00KF629 - IBM - System Board (Motherboard) for x3550 M5 00KF629 - IBM - System Board (Motherboard) for x3550 M5 $408.09 $345.84