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Mixed brand ram ?

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#1
in my 2nd PC ive currently got 2x1gb of Corsair XMS2 ,and im getting another 2x1gb of G-Skill off a friend for £10/$17?

My question being can i use all 4gb in the same machine ok and still keep its OC settings even tho the ram is different brands and slightly different speeds?

Corsair is 5-5-5-18

G-Skill is 5-5-5-15

the Corsair is currently running at approx 808mhz ,so would this work or would i be better getting rid of the slightly slower Corsair and keeping the G-Skill ?

thanks
 
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#2
You will never know unless you try this but mostly these ideas work pretty well and stable.
 
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#3
In my experience, the last number in the timings quad doesn't do anything for performance, but does a ton for stability.

If you use all 4GB, and set it at 5-5-5-18 (or 5-5-5-21), you'll keep the overclock.

But I'm not too up on Intel (I'm an AMD boy!). You might end up needing to go to 2T instead of 1T, or loosen the timings since you're using 4 slots instead of 2.
 
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#4
It shouldn't effect your oc I have both mixed brand, centon and nspire, and sizes, 2 x 2Gb and 2 x 512Mb. And can run at 3.32 ghz on the stock hsf with my 5600+ Brisbane