Ram question about GIGABYTE GA-X58A-UD3R with Intel Core i7-930

Hello all. Its been about 5 years since I built my last pcs and a friend of mine suggested I check out this website to help bring me back up to speed (and might I add I am really, really happy I did, excellent website). The people here seem to really know their stuff and I am hoping that a few of you might be able to spread some of your wisdom my way :wahoo: .

So after spending about a week here reading reviews, checking stats, and seeing other peoples informative insights I have decided to build a new system based off of GIGABYTE'S GA-X58A-UD3R and Intel's Core i7-930 Bloomfield Processor.

This system will be used mainly for pc gaming with some video editing and possibly a little 3D rendering. I haven't decided on the total build yet but when I do I will list it here for review and critque.

Today's question however has to do with the Ram for the GIGABYTE GA-X58A-UD3R :

and Intel i7-930:

I know from the specs that the GA-X58A-UD3R can use Ram in the following modes : DDR3 2200/1333/1066/800 (Triple Channel)
and that the i7-930 wants thoses modes in 1066/800 (triple Channel) by stock ratings.

I also know that you want your ram to have the lowest CL settings for the best results. Unfortunately at the time of this post GIGABYTE's website is being updated with a lot of Rev. 2 info on several boards and as a result their Ram compatability list is not available at this time.

I do plan on doing some overclocking but nothing really extreme. So in a long and drawn out and winded post (I apolgize for this but I wanted to be as clear as I could be on this question) which ram should I get for this motherboard/cpu combo?

The motherboard is clearly able to run many ram configurations at higher clock cycles but the cpu wants 1066 at stock ratings. Is it better to get DDR3 at 1333 or 1600 and overclock the cpu or get the best rated DDR3 1066 with the lowest Cl and voltage settings for and overclock it instead?? I would really like to hear y'alls opinion on this and what combos others are using with this motherboard/cpu setup.

Thanks in advance,


P.S. I am not trying to help newegg or anyone else sell anything however if you are looking to buy this current combo newegg has a $15 off combo deal atm: with free shipping I believe. Thanks again all.
5 answers Last reply Best Answer
More about question gigabyte x58a ud3r intel core
  1. Most brand name RAM will run on almost any board, and something like a Gigabyte should have no issues running GSkill. Pretty sure GSkill has a list of supported mobo's on their site. Anyway, there shouldn't really be compatibility issues.

    RAM speed is a different issue. The RAM all comes from basically the same place and then they bin them based on how well they perform, so 1600mhz RAM is the same as 1800mhz RAM it just has some flaw in the manufacturing so that it's a little slower or less stable. Anyway, for overclocking if you're trying to push it you'll probably want either 1600 or 1800mhz RAM. This way the 1800mhz (let's say CL8) could run at a 200x20 4ghz CPU OC with 200x10 on the RAM, or you could downclock the RAM to 200x8 1600mhz CL7.

    I got 1600mhz CL8 RAM and OCed to 175x20 with turbo, and then set the RAM to 175x8 for 1400 CL7 instead of 175x10 1750mhz CL9. Most RAM multipliers are 10x, 8x, and 6x.
  2. DDR3-1600 will allow an easy OC to 4.2 Ghz

    Best CAS 7 Choice (7-8-7-20 timings) $ 160

    Best CAS 6 Choice (6-8-6-24 timings) $ 190

    For a 25% OC, I'd get 1333 .... 50% OC, 1600

    133 BCLK x 21 CPU Multiplier = 2.80 Ghz
    133 BCLK x 8 Mem Multiplier = 1066 MHz

    25% OC
    167 BCLK x 21 CPU Multiplier = 3.50 Ghz
    167 BCLK x 8 Mem Multiplier = 1333 MHz

    50% OC
    200 BCLK x 21 CPU Multiplier = 4.20 Ghz
    200 BCLK x 8 Mem Multiplier = 1600 MHz

    Mem multiplier choices on my son's board range from 6 to 14 with a 920.
  3. Best answer
    For any ram you are considering, do your own homework.
    Go to the ram vendor's web site, and access their configurator.
    Corsair, Kingston, Patriot, OCZ and others have them.
    Their compatibility list is more current than the motherboard vendor's QVL lists which rarely get updated.
    Enter your mobo or PC, and get a list of compatible ram sticks.

    Here are a few links:

    Cpu performance is not very sensitive to ram speeds.
    If you look at real application and game benchmarks(vs. synthetic tests),
    you will see negligible difference in performance between the slowest DDR2 and the fastest DDR3 ram.
    Perhaps 1-2%. Not worth it to me.
    Don't pay extra for faster ram or better timings unless you are a maximum overclocker.

    More ram is better than faster ram. Look for at least 6gb in a 3 x 2gb kit. DDR3 1600 is probably what you will end up with. Prices among name brands are competitive. Check out the vendor's support forums, and go with the one you feel most comfortable with.
  4. Thanks for the info :P. I have decided to go with 1600 3x2 for 6bg. Now to go do my homework and figure out which brand is right for me.
  5. Best answer selected by Midnighthowler.
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