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RAM Help before i buy

post #1 of 14
Thread Starter 
I've read awesome reviews on this kit:http://www.newegg.com/Product/Produc...82E16820231419

they could supposedly do 7-10-7-27 1T @ 2200MHz with 1.64v
http://www.xtremesystems.org/forums/...GBRM&p=4780916

only thing is i need to buy two sets of these as i need 8gb.
This is going to be for a work rig (got the funds from my boss and it's limited)

I was wondering if i would have any problems running two sets of these at those clocks and timings? I've always bought kits together so i don't know if buying two of them and putting them together will work I've heard they wont? (not always anyways)
Edited by badatgames18 - 7/22/11 at 11:51am
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post #2 of 14
They don't always work when you buy two kits. You might want to check your motherboard's memory support list (QVL) to see if that particular kit is supported in a 4 slot configuration.
post #3 of 14
Thread Starter 
Quote:
Originally Posted by TFL Replica View Post
They don't always work when you buy two kits. You might want to check your motherboard's memory support list (QVL) to see if that particular kit is supported in a 4 slot configuration.
well i checked and one exactly like this kit is fully supported with 4 dimms.... the clock, and timings are identical except a slight difference in the model number.

The one above:F3-16000CL9D-4GBRM
and the one gigabyte listed: F3-16000CL9D-4GBFLS

both are 2000MHz native kits
hmmm..
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post #4 of 14
I think you'd be better off going with a 2x4Gb set of memory.

http://www.newegg.com/Product/Produc...PC3%2014900%29

Both sets on this page are better than the Ripjaws you linked to.
Plus they both run on 1.5v instead of 1.65v like the set you picked, and they are much cheaper than buying 2 sets of what you were looking at.
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by Inteller View Post
I think you'd be better off going with a 2x4Gb set of memory.

http://www.newegg.com/Product/Produc...PC3%2014900%29

Both sets on this page are better than the Ripjaws you linked to.
Plus they both run on 1.5v instead of 1.65v like the set you picked, and they are much cheaper than buying 2 sets of what you were looking at.
thanks! these are cheaper, but i'm not sure how they clock.

Could anyone answer me why 4gb dims generally always have worse timings then 2gb dims?

The ram i wanted to buy could hold 7-10-7-27 1t @2200MHz with 1.64v


my current ram which is rated for 2200MHz can only go down to cas 8 and tRCD is stuck at 11 unless i increase vdram to 1.7v... then it passes LinX (am i doing something wrong? should i lower vtt or something? i have the delta between vtt and vdram at .5v)
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post #6 of 14
Quote:
Originally Posted by badatgames18 View Post
thanks! these are cheaper, but i'm not sure how they clock.

Could anyone answer me why 4gb dims generally always have worse timings then 2gb dims?
TBH, I can't answer that question for you.
Hopefully someone that has more technical knowledge than me can!

What I can tell you is that, from what I've read, the Sandy Bridge CPU's like ram that runs on 1.5 volts, and exceeding this may cause damage to your cpu.
How true this is, in the real world, I'm not sure?

I can also tell you that running 2x4Gb's of ram, puts less stress on your cpu's IMC, rather than running 4x2Gb's of ram.

Also the standard Ripjaw series, is older than the Ripjaw X series, and the Sniper series.
Both of which are highly rated!

Question: Are you a Benchmarker, that needs ram that will overclock highly?

Or are you a Gamer???

Hope I helped a bit?
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by Inteller View Post
TBH, I can't answer that question for you.
Hopefully someone that has more technical knowledge than me can!

What I can tell you is that, from what I've read, the Sandy Bridge CPU's like ram that runs on 1.5 volts, and exceeding this may cause damage to your cpu.
How true this is, in the real world, I'm not sure?

I can also tell you that running 2x4Gb's of ram, puts less stress on your cpu's IMC, rather than running 4x2Gb's of ram.

Also the standard Ripjaw series, is older than the Ripjaw X series, and the Sniper series.
Both of which are highly rated!

Question: Are you a Benchmarker, that needs ram that will overclock highly?

Or are you a Gamer???

Hope I helped a bit?
i'd say i'm more a bencher than a gamer... they're arent any new games out that i haven't already played through and beat... so now i'm devoting my time to benching... not super serious though.... i'm not currently using sub zero cooling.


I am looking for great timings at 2000MHz+ bellow 1.7v
the thing is i need 8gb... and better timings than cas9
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Galbus
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post #8 of 14
Well, I'm sure there is a someone who can give you the technical answer to your question.

But to benching, overclocking ram isn't the most important thing to have.
I mean, unless your running Maxmem, CrystalMark, or other bench's that do include your memory performance.

I'm sure someone else will be here to help you out there!
Good luck.
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post #9 of 14
The more RAM slots you occupy the harder it will be to overclock the RAM as well as your CPU. To a lesser degree a 2x4GB kit will also make it just a little harder to OC your CPU compared to a 2x2GB kit. It's not recommended to exceed 1.6v for long term usage and 1.7v will probably cause problems in the future.
post #10 of 14
Quote:
Originally Posted by badatgames18 View Post
i'd say i'm more a bencher than a gamer... they're arent any new games out that i haven't already played through and beat... so now i'm devoting my time to benching... not super serious though.... i'm not currently using sub zero cooling.

I am looking for great timings at 2000MHz+ bellow 1.7v
the thing is i need 8gb... and better timings than cas9

These are imho very very good, rated at on 1.35v and decent timings, they are perfect for benching. At 1.35 and a pretty good price tag I would definitely consider these: G.SKILL ECO Series 4GB (2 x 2GB) 1600 CL8 $55


However, there are others like this that you could also consider:

Rated at 1.5v and running tight timings and a pretty decent speed, I can see that going to 2133mhz with a small voltage bump and loosening the timings to maybe CL7: G.SKILL Ripjaws X Series 4GB (2 x 2GB) 1600 CL6 $70

I would probably go with the Black Ripjaws X as 1.5v seems to be standard on SB systems and it has really really good timings for that voltge. Not sure if the cheaper eco 1.35v could match it with a voltage bump, but with this you can guarentee latency 6 with 1.5v @ 1600mhz. With that kit you could probably do 2133mhz with latency 7 and a little voltage bump, maybe to around 1.55/1.6v which is fine for 24/7 usage.

Good Luck

EDIT: What about these, G skill Eco 1600mhz 1.35v CL7
Edited by munaim1 - 7/23/11 at 6:09pm
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