How many fans does a Power Mac G5 have? Depending on the configuration this answer varies but you can be almost sure the answer is always one short. Let’s take a look at the Late 2005 Quad in this example. – 2 intake fans (front inlet fan assembly) – 2 exhaust fans (rear exhaust fan assembly) – 1 fan in the PCI bay (speaker assembly) – 1 fan for the hard drives (media bay fan) 6 fans total, right? Wrong….