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Mixing memory timings.

post #1 of 6
Thread Starter 
Quick question, I am looking for more ram for my brothers computer however I am unable to get the same ram that is currently in his computer.

Currently it has patriot viper 6gb (3x2gb) ddr3 1333mhz 7-7-7-20 1.65v, and I have found a set of patriot viper 6gb (3x2gb) ddr3 1333mhz 9-9-9-24 1.65v.

If I manually set all the timing to 9-9-9-24 will it run without problems? To my understanding if the ram is the same voltage it should be fine together. Any help is greatly appreciated.

Thanks!
Edited by THEStorm - 12/2/13 at 9:14am
post #2 of 6
I don't think it is recommended however I've done this in the past and only had problem once.
1. Check your motherboard Maximum supported memory
2. Check the list of approved ram for your motherboard

If you have a decent motherboard there shouldn't be any problem since it will auto detect and adjust timings and frequency upon first boot
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post #3 of 6
Thread Starter 
The board supports up to 24gb of ram so that shouldn't be a problem. I found a good deal on this so I think that it is worth trying out.
post #4 of 6
I was always told that when you do this the timings will auto set to whichever the looser ones are and it should work as long as everything else is the same, brand too. About a year ago i added a second module on an older pc, everything was the same but the CAS latency and it worked and still works today. Never had a problem, crash or blue screen.

What i did:

1x 2GB DDR2 800MHz CL5 (Had)

1x 2GB DDR2 800MHz CL6 (Added)

Same brand, same voltages. Strangely enough, in my case it auto set to 5-5-5-15 timings instead of 6-6-6-18...but i'm not complaining smile.gif
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post #5 of 6
Thread Starter 
Yeah thats basically what I am looking to do, same brand and everything just different timings. Hopefully it works for him since its his christmas gift lol.
post #6 of 6
It should work, the only caveat is if the ICs used are different then it may be a little bit trickier. But I think generally if you are not overclocking the RAM and you run them all to match the slowest stick it should work without issues.
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