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Memory Question

R

Rokeneer

macrumors regular
Original poster
Sep 27, 2011
119
0
I just bought a Mac Pro 3,1 to replace my old 1,1. It is a kicking computer, but only has half the memory of my old one (some slots open). Can I use my old 667mhz memory in the 3,1 (800mhz) alongside the 800mhz ram already in it? Can I use 667mhz RAM in it at all? It would just be temporary for a few months until I save up enough money to buy new 800mhz memory.

Thanks!!
 
Intell

Intell

macrumors P6
Jan 24, 2010
18,955
509
Inside
You can try using the 667Mhz ram. It'll downclock the rest of the ram if it even boots. If it doesn't boot, just take it back out again.
 
Tesselator

Tesselator

macrumors 601
Jan 9, 2008
4,601
6
Japan
Yes, you can mix ram speeds. It will boot fine. You can put the 800's in your MacPro 1,1 too if you like. :p
 
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