ddr3 1333 in mac pro 1.1??

[brenden]

So i have 18GB of DDR2 667 Ram in my mac pro 1.1 but my i recently came across 2x4GB sticks of DDR3 1333 will those fit in my system with some of the current ram sticks? Will they down clock?

 

[Intell]

DDR3 ram will not fit or work in a DDR2 machine.

 

[brenden]

perfect thanks!

 

[bax2003]

Use only fully buffered DDR2 667 / 800 MHz modules with heatsinks.

 

[sobrazz]

Hi! I am new here. I am using Mac Pro 1,1. what is the better graphic card would you recommend. Now on El cap. Just reboot itself. can help me if I want 4k quality? or what cpu must I change to to achieve speed?