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Memory for P55 Core-i7 Question

D

DaRkBlAd3

Weaksauce
Joined
Aug 6, 2002
Messages
121
So, I'm about ready to pull my hair out after reading for a few days on the differences between certain memory modules and mobo compatibility. Essentially, I'm building a nice new Core-i7 gaming desktop. I'm eying the Gigabyte P55A-UD6, but I'm also considering the GA-P55-UD3R. There is a $120 difference so if I can get away with the UD3R and still get nice RAM, I'd like to do that.

Anyways, my problem is what type of memory to buy. I was originally just going to get a 6gb kit of Corsair XMS3's. Then I read that the P55 chip is dual channel instead of triple, so now I either have to buy 4gb or 8gb. So, now I'm trying to figure out first, if the difference between have 4gb and 8gb is worth the price differential (roughly $100 or more) and second, I don't know what speed of ram to buy. The P55 chipset only supports DDR3 2200/1333/1066/800 rated ram. I was originally eyeing 1600mhz but now that it's not 'compatible' I have to either drop to 1333mhz or bump all the way up to 2200mhz. Is the speed difference from 1600mhz to 1333mhz that big of a deal? Also, I've seen some RAM that is specifically stated as compatible with P55 chipsets. Do I need to buy ram that blatantly states compatibility or will most any DDR3 memory work?

Sorry for all the questions, but I am literally a newb when it comes to memory (ie. timing, mhz, etc etc).
 
DaRkBlAd3 said:
The P55 chipset only supports DDR3 2200/1333/1066/800 rated ram.
Click to expand...

The UD3R doesn't natively support 1600, but the UD6 does, according to the specs.

You could split the difference and go for an ASUS P7P55D-E Pro. It'll support 1600 ram, is cheaper than the UD6, but has better crossfire support than the UD3R.
 
Last edited:
digicat said:
The UD3R doesn't natively support 1600, but the UD6 does, according to the specs.

You could split the difference and go for an ASUS P7P55D-E Pro. It'll support 1600 ram, is cheaper than the UD6, but has better crossfire support than the UD3R.
Click to expand...

They all support DDR3 1600.
 
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