How much RAM do I need to properly run OS 9.6?” The company retained the PowerPC G4 in their iBooks and PowerBooks up until the transition to the Intel CPUs. There were no laptop computers produced, due to the heat issues. The slowest Power Mac G5 was a 1.6 GHz single core system.Īpple only ever made the iMac and Power Mac systems with a G5 CPU.

Although there was also a straight dual CPU system of 2.7 GHz as well. The fastest was a double dual-core CPU system of 2.5 GHz. Some people complained of leaks, which no doubt destroyed several

If you have a different video card with a fan, then you would have 10.) Later models used liquid cooling, but this was a little unreliable. Because the G5 CPUs create so much heat, there are 9 cooling fans! (2 for the power supply, 4 for the CPU, 1 at the front for the card slots, 1 near the hard drives, and another next to it, which seems to cool the backside of the logic board / motherboard. Strangely though, unlike most PCs, the CPUs are not upgradeable. Unlike their iMac desktop computer range, this is a proper sized tower computer with all the usual internal sockets for expansion cards and RAM.

These were Apple’s top of the range computers from 2003 to 2006, and were pretty much the last PowerPC CPU based systems that the company made. In early 2016, I took a shining to the Power Mac G5, and considered getting one second hand. (I realise that the Power Mac is a computer designed for personal use, but I’m going to refer to computers with Intel CPUs that usually run Windows as PCs for this page.

Openoffice for mac powerpc g5