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How important is "Exact" Kit matching for ram?

post #1 of 13
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Currently I have this 12 gig triple channel set:

F3-10666CL7T-12GBRH (4Gx3).
http://www.gskill.com/products.php?index=330


I used for a few months then I switched to a dual channel motherboard.


I took 2 sticks and put them in my Asus p8z77 le to use as 8 gigs total in dual channel. It seems to work fine.

I would like to fill out with 8 more gigs (2x4gb) for a total of 16 gigs.

Could I buy this additional 4g x 2 set:

F3-10666CL7D-8GBRH (4Gx2)
http://www.gskill.com/products.php?index=322

and put in the remaining 2 slots. should that work? ( I know I would have one spare but thems the breaks)

What I mean to ask is: Are they basically the same (just one set is for triple channel and one for dual channel)?


I know at the computer store or manufacturer they "say" always buy as one big single kit but other threads I read state it doesn't matter as much. In your experience since the specs are the same and same manufacturer, do you think it would be ok?

Many thanks
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post #2 of 13
If they are similar they should work but it's not 100% that they will.

best bet is sell and get a big kit. or try it and see and sell if not.

my first build I ordered a stick of Wintec RAM -- a 512MB stick. I wanted a 1GB but I didn't have the funds. A few weeks later I bought another 512MB stick from Newegg (same product) and even though both sticks seemed identical they couldn't run in dual channel together.
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post #3 of 13
It would run.. but it may not overclock so well as the timings are different
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post #4 of 13
It should work jsut fine. I was able to mix my G.Skill 2x2gb with a kingston 2x1gb kit and had no issues. I later removed the Kingston memory and was able to overclock my G.Skill memory to 1920mhz from 1333 which I would recomend trying if your up for the challenge.
post #5 of 13
Thread Starter 
Quote:
Originally Posted by Ardalista View Post

It would run.. but it may not overclock so well as the timings are different

Actually I believe the timings are both: 7-7-7-21-2N
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post #6 of 13
voltage is the main spec that should match.. speed will just defualt to the slowest DIMM/kit if they are different.

http://www.intel.com/support/motherboards/desktop/sb/cs-011965.htm#dual
 
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by Shaded War View Post

It should work jsut fine. I was able to mix my G.Skill 2x2gb with a kingston 2x1gb kit and had no issues. I later removed the Kingston memory and was able to overclock my G.Skill memory to 1920mhz from 1333 which I would recomend trying if your up for the challenge.

Thanks guys, that is encouraging, Yeah it s cost thing, just cheaper to get an 8 gig set rather than a new full 16 gig set.

Would love to buy just one extra 4 gig module but they don't sell them.

I had no idea you could clock a 1333 so high that's interesting and I would be up for the challenge, was it a 1.5v? and did they get very hot, because I think already I will have to modify the heat spreader/ripjaw on one of the modules so it can sit under the push fan on my hyper 212.
Edited by Tom_Tom - 9/24/12 at 5:53pm
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post #8 of 13
Quote:
Originally Posted by Tom_Tom View Post

Actually I believe the timings are both: 7-7-7-21-2N

Errr actually.. you are correct.. my apologies.. I ended up on a different page to what I was expecting.

scratch my comment biggrin.gif
Edited by Ardalista - 9/24/12 at 5:57pm
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post #9 of 13
Having mixed ram in your PC is just going to put more load on your CPU. A good rule of thumb is that the more dissimilar the ram is, the higher the extra load put on your CPU. Unless you overclock a lot, there isn't much of a difference.
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post #10 of 13
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Quote:
Originally Posted by Tjj226 Angel View Post

Having mixed ram in your PC is just going to put more load on your CPU. A good rule of thumb is that the more dissimilar the ram is, the higher the extra load put on your CPU. Unless you overclock a lot, there isn't much of a difference.


Is this the case even if the all the RAM specifications and Manufacturer are the same? (just sold in different ram sets, and slightly diff model numbers)
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