Hi. I have a spare Logilink PC0054A USB 3.0 PCI-E card (which didn't worked in my MacPro), I wonder if it will work in the G5. For sure as a USB 2.0 card. It has a NEC D720202 chip on it. http://logilink.de/Suche/PC0054A Has one a 3.0 card running in the G5 as 2.0 card?