Does G.Skill 2x4 GB @ 1866 MHz and 8 GB of Corsair @1600 MHz work together?

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You will gain no significant advantage running 16 GB of single channel memory over 8 GB of dual channel memory since you pay a heavy performance penalty, forcing the system to run in single channel mode, which you will feel 100% of the time, whereas the increase in memory from 8 to 16 GB will likely not be felt except in extreme circumstances. While you can run them together, you will be ahead in memory bandwidth to stick to a matched set. Consequently, it's also very likely you'll only be able to run a single pair of memory modules at 1866 successfully, although you may find some settings through trial and error that will work for four.

Tom's did an article where they found at around the 8 GB point, you hit diminished returns...
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unksol

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Sep 12, 2011
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If you reduce the speed and timings of the gskill to the same as the corsair it may work. BUT you're losing dual channel and reducing performance, and no gaming PC will use 8GB. 16 is unnecessary unless you are using high end professional (read EXPENSIVE) programs. So yes, I'd just use the 8GB dual channel Gskill set.

Believe that's what I have in now and no issues hitting memory limits ever, even with no page file
 
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bigpinkdragon286

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Oct 3, 2012
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You will gain no significant advantage running 16 GB of single channel memory over 8 GB of dual channel memory since you pay a heavy performance penalty, forcing the system to run in single channel mode, which you will feel 100% of the time, whereas the increase in memory from 8 to 16 GB will likely not be felt except in extreme circumstances. While you can run them together, you will be ahead in memory bandwidth to stick to a matched set. Consequently, it's also very likely you'll only be able to run a single pair of memory modules at 1866 successfully, although you may find some settings through trial and error that will work for four.

Tom's did an article where they found at around the 8 GB point, you hit diminished returns:

http://www.tomshardware.com/reviews/ram-memory-upgrade,2778-8.html

An easy test is to find out if your application you are running is 64-bit, or 32-bit with Large Address Awareness. If neither of these, the program will not be going much beyond 2 GB for it's own usage without encountering some difficulties.
 
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