Is it possible to downclock 1866 RAM to 1600MHz ?

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BodyCrasher

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Nov 19, 2013
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I have recently bought some upgrades for one of my friends. I had an ATX Motherboard in mind so I bought him some 1866MHz ram, since they were on a 25% deal. The RAM is the following: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231455
However, I have decided to get him a Micro-ATX Motherboard instead since we could save on that, and the Micro-ATX motherboards only seem to support RAM up to 1600MHz.
My question is the following:
Is it possible to downclock this 1866MHz ram to a stable 1600MHz profile?
 
Solution
Tradesman1
No problem, in fact when installed will default to the mobos default which is prob 1333, then just set the freq to 1600 and set all base timings to 1 less than the spec 1866 timings - i.e. if 1866 at 9-10-9-28 then set the timings to 8-9-8-27
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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No problem, in fact when installed will default to the mobos default which is prob 1333, then just set the freq to 1600 and set all base timings to 1 less than the spec 1866 timings - i.e. if 1866 at 9-10-9-28 then set the timings to 8-9-8-27
 
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BodyCrasher

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Nov 19, 2013
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I have read somewhere on tomshardware that the 4th number should be the sum of the other 3, so when the timings are 9-8-9-XX shouldn't the XX be 26?
 
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Rune Olsen

Rune Olsen

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Mar 27, 2013
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Depends what ram you have really, doesn't really matter these days when you have mobos that does it all for you. Was great fun back in the days when you had to use a month to tweak it all for OC:)
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
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__________________________________

That dates way back to DDR and DDR2 used to always see 4-4-4-12 or 5-5-5-15 and there was basically a mathematical formula for all the timings including the advanced timings, but DDR3 has much tighter tolerances so not uncommon to to see 9-9-9-24 or 10-12-12-31 and timings like that
 
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