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DDR2 1200 or 800?

Forum Motherboards & Memory : Memory - DDR2 1200 or 800?

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hopkiller   08-03-2008 at 12:37:26 AM

Hey i was looking at my specs of my mobo today and noticed it can take DDR2 1200. I have DDR2 800 in my cart but should i buy 1200 instead.

Mobo: ASUS P5Q Pro LGA 775 Intel P45 ATX Intel Motherboard
http://www.newegg.com/Product/Prod [...] 6813131299

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Mondoman   08-03-2008 at 12:55:03 AM
- 0 +

Nope, DDR2-800 is fast enough for FSB datarates up to 1600MHz, and the "faster" RAM is just normal RAM with a jacked-up voltage and jacked-up price. Make sure any RAM you buy is spec'd no higher than 1.9V.

------------------------------ e2160@3GHz: OCing my way to Ubuntuland!
 Reply to Mondoman
hopkiller   08-03-2008 at 01:01:49 AM
- 0 +

thanks but i can't go above 1.9v so i have to use the other sticks instead of the other ones

Here they are

1.
http://www.newegg.com/Product/Prod [...] 6820231122

2.
http://www.newegg.com/Product/Prod [...] 6820231148

i can't use the second right because they use 2.0-2.1V

Reply to hopkiller
Mondoman   08-03-2008 at 01:03:56 AM
- 0 +

That's what I said -- do NOT get RAM that needs a voltage higher than 1.9V.

------------------------------ e2160@3GHz: OCing my way to Ubuntuland!
 Reply to Mondoman
INSPECTOR71   08-03-2008 at 03:36:02 AM
- 0 +

hopkiller wrote :

Hey i was looking at my specs of my mobo today and noticed it can take DDR2 1200. I have DDR2 800 in my cart but should i buy 1200 instead.

Mobo: ASUS P5Q Pro LGA 775 Intel P45 ATX Intel Motherboard
http://www.newegg.com/Product/Prod [...] 6813131299


Hey how do you like that ASUS P5Q PRO LGA 775 mob you have? I was thinking of buying that same motherboard.

Message quoted 1 times
Reply to INSPECTOR71
hopkiller   08-03-2008 at 04:16:34 AM
- 0 +

im ordering it all on Monday so when it comes and i finish the build i send you a message ok

Reply to hopkiller
doomturkey   08-03-2008 at 04:33:11 AM
- 0 +

INSPECTOR71 wrote :

Hey how do you like that ASUS P5Q PRO LGA 775 mob you have? I was thinking of buying that same motherboard.


I have it, its a nice board. Running 1600mhz FSB, 1:1 with RAM. It posted the first time, so I was very pleased with that. I managed to grab a coupon code for it, making the price $130, same as the P5Q.

Reply to doomturkey
INSPECTOR71   08-03-2008 at 08:03:46 AM
- 0 +

My current mobo is a 650 i ultra and i have no complaints on it. I am gonna be starting another build and was interested in asus mobo's and i like what i heard on the reviews on that model and i am interested in buying one. Thanks for the response on the mobo doomturkey and good luck with your build hopkiller.


Message edited by INSPECTOR71 on 08-03-2008 at 08:04:45 AM
Reply to INSPECTOR71
ck07   08-18-2008 at 11:21:25 AM
- 0 +

Hopkiller: AFAIK, no one makes DDR2/1200 bigger than 1 GB. I like that same G.Skill that you found; 2x2 GB for $75 with coupon and it's on Asustek's QVL for 4x2 sticks in a P5Q.

Mondoman: I'm looking at a P5Q Pro too. What memory did you put in yours? Did you OC?

Any views on P5Q-E or P5Q Deluxe? I can't figure out what's the difference besides fancier (looking) cooling.

Reply to ck07
urpq32   08-31-2008 at 04:47:39 AM
- 0 +

in response to some earlier replies...why should the memory voltage spec be no more than 1.9v? if I have RAM that is spec-ed to 2.1v, can i choose to change that setting? is it backwards compatible automatically?

I am looking at this m/b and this RAM:

mobo (DDR2 1200 capable):
http://www.newegg.com/Product/Prod [...] 6813128345

RAM (DDR2 800 2.1v spec):
http://www.newegg.com/Product/Prod [...] 6820227269

Reply to urpq32
Mondoman   08-31-2008 at 06:52:14 PM
- 0 +

This may help explain: http://www.tomshardware.com/forum/ [...] s#t1249881

------------------------------ e2160@3GHz: OCing my way to Ubuntuland!
 Reply to Mondoman
Proximon   08-31-2008 at 07:05:08 PM
- 0 +

Nice post Mondoman, I hadn't seen that.

hopkiller, you can use RAM that requires higher voltage... it's just better to get the lower voltage stuff.

Better yet, get low voltage AND low timings:
http://www.newegg.com/Product/Prod [...] 6820146731

Reply to Proximon
urpq32   08-31-2008 at 08:41:00 PM
- 0 +

ah. Thanks alot for the reply, that did help explain it. i figured the answer would be similar to that, but wasn't confident.

thanks for the link. I had planned on shopping around for comprable ram, but hadn't gotten there yet. thanks.

Reply to urpq32
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