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Corsair Dominator GT 1866 mhz vs 2133 mhz

post #1 of 4
Thread Starter 
Hello,

If you see my prposed build, I used a type of Dominator GT memory 2x 4gb 2133mhz, however under closer inspection, I realised that the z77 Sabertooth doesnt not explicitly state the support for this particluar RAM module. Form this I concluded that it would be safe to go with the 1866 mhz version (which IS stated to be supported).
There are two things I wish to know:

1. Is Z77 Sabertooth known to support the 2133 mhz dominator GT. If yes - is it safe?
2. how much would I miss out if I purcahsed the 1866 version?

You can find the support list here:

http://dlcdnet.asus.com/pub/ASUS/mb/LGA1155/SABERTOOTH_Z77/SABERTOOTH-Z77-Memory-QVL.pdf

Thank you for your help,

Kosta
post #2 of 4
I'm not sure when it comes to the first one. Since it only lists 1866 normally you have to change the BCLK to further boost the RAM frequency. The issue is that you can't really change the BCLK as much on the newer platforms (unlike the 1156 and1366 sockets). In regards to the second question you will see zero difference outside of memory benchmarks. Going from 1866 to 2133 will not result in any realworld improvement.
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post #3 of 4
From what I was able to see the board only supports the 1866 version. I believe you can run your 2133 in the board but it will pull it down to the lower frequency.
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post #4 of 4
Quote:
Originally Posted by voodoo71 View Post

From what I was able to see the board only supports the 1866 version. I believe you can run your 2133 in the board but it will pull it down to the lower frequency.

This pretty much. The 2133 sticks will run on that board but I don't know if it will run at that speed. You're probably going to have to overclock the RAM yourself to get to those speeds.
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