I am wanting to purchase more ram for an older G5 Powermac. How many pins should I be looking at?

Hello,

At the Apple Icon at top left>About this Mac.

Then click on More Info>Hardware and report this upto *but not including the Serial#*...

Hardware Overview:

Machine Name: Power Mac G5 Quad

Machine Model: PowerMac11,2

CPU Type: PowerPC G5 (1.1)

Number Of CPUs: 4

CPU Speed: 2.5 GHz

L2 Cache (per CPU): 1 MB

Memory: 10 GB

Bus Speed: 1.25 GHz

Boot ROM Version: 5.2.7f1

Not only the pin count is important, it must be Mac compatible & installed in Pairs...

http://eshop.macsales.com/shop/memory/PowerMac-G5-Memory

G5 machines that use PC3200 use 184 pin 400 MHz DDR SDRAM DIMMs.

http://support.apple.com/kb/HT2248