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Silly question concerning Dual & Quad Channel ram

post #1 of 7
Thread Starter 
Almost embarrassed to hear the answer but I just want to be sure, if I bought a 4x4GB set or 2, 2x4GB sets of Dual Channel ram meant for SB or whatever, it'd be quad channel when put into an SB-E mobo right?

Like if I bought 2 of these or these.

Also would I see $50 (x2) worth of performance from the 1866 setup compared to the 1600?

<------- RAM newb.

Anyone think that there will be good 4x4GB dominator kits that I should just wait for instead?
Edited by derickwm - 10/26/11 at 7:15pm
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post #2 of 7
Quad channel is a marketing gimmick. its just 2 dual channel kits

And I would suggest less ram sticks. Get something like 1X4gb. less sticks the easier overclocking will be.
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post #3 of 7
No it would be two dual channel sets. Basically dual channel ram means ram sticks must be added in pairs. That means you cannot install 3 sticks of ram or 1 stick of ram. You must install 2 sticks or 4 sticks. I hope I understood you correctly.
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post #4 of 7
The only thing that matters are the DIMM slots and the chipset. If you bought four 4GB sticks separately, it would work just like buying 4×4GB "quad channel" set.

There might be some difference between the two sets (you showed in the links) in real world scenarios, but the reason the 1866MHz set it more expensive is because it tries to keep the timings down and a fan is included. Oh, and Corsair said, "LOL, guys. Let's put GT at the end of the name and add more to the price."
 
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post #5 of 7
yes

corsair already released quad channel ram specific for x79.. it's 1000 usd, i don't think it's worth it..

1866 rated for 9-10-9 1.5v (4x8gb)
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by Lazloisdavrock View Post
Quad channel is a marketing gimmick. its just 2 dual channel kits

And I would suggest less ram sticks. Get something like 1X4gb. less sticks the easier overclocking will be.
I want more than 4gigs

Quote:
Originally Posted by Kyleinator View Post
No it would be two dual channel sets. Basically dual channel ram means ram sticks must be added in pairs. That means you cannot install 3 sticks of ram or 1 stick of ram. You must install 2 sticks or 4 sticks. I hope I understood you correctly.
So...no ram is "rated" for channels. It just depends on the mobo.

Quote:
Originally Posted by Samurai Batgirl View Post
The only thing that matters are the DIMM slots and the chipset. If you bought four 4GB sticks separately, it would work just like buying 4×4GB "quad channel" set.

There might be some difference between the two sets (you showed in the links) in real world scenarios, but the reason the 1866MHz set it more expensive is because it tries to keep the timings down and a fan is included. Oh, and Corsair said, "LOL, guys. Let's put GT at the end of the name and add more to the price."
So... if I didn't want the fan, then the 1600 would be fine?

Quote:
Originally Posted by badatgames18 View Post
yes

corsair already released quad channel ram specific for x79.. it's 1000 usd, i don't think it's worth it..

1866 rated for 9-10-9 1.5v (4x8gb)
Lawl I saw that, definitely don't need 8 gig dimms.

Thanks guys. +rep
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post #7 of 7
Quote:
Originally Posted by derickwm View Post
Almost embarrassed to hear the answer but I just want to be sure, if I bought a 4x4GB set or 2, 2x4GB sets of Dual Channel ram meant for SB or whatever, it'd be quad channel when put into an SB-E mobo right?

Like if I bought 2 of these or these.

Also would I see $50 (x2) worth of performance from the 1866 setup compared to the 1600?

<------- RAM newb.

Anyone think that there will be good 4x4GB dominator kits that I should just wait for instead?
lol... we all are at one point ... and i would wait on RAM if you plan on getting SB-E... corsair will be releasing 8GB GTs in the near future... also, i wouldn't recommend getting multiple kits of anything over the rated RAM speed (1066 for SB and 1600 for SB-E) as they are not guaranteed to work together... its generally better to just get a kit for the exact size you want (as its guaranteed to work)

Quote:
Originally Posted by Lazloisdavrock View Post
Quad channel is a marketing gimmick. its just 2 dual channel kits
not realy... sure they are actualy 2 dual channel kits, but quad channel memory kits are guaranteed to work together that that speed... if you buy 2 dual channel kits and they dont work together (more common as frequency increases... latency doesn't seem to effect it in my experiences) you are out of luck... the only time i would recommend the 2 dual channel kits is with Phenom 2s because of their "unganged mode" witch alows each stick to run independently by assigning each core only 1 stick or RAM (instead of all shared by all)

Quote:
Originally Posted by Lazloisdavrock View Post
And I would suggest less ram sticks.Get something like 1X4gb. less sticks the easier overclocking will be.
be careful what you say... this is true to an extent, but (at least with SB and 1366) 1 stick can easily become unstable, and generally clocks worse than 1 full channel (2 DIMMs on same set of lanes)... i haven't seen this violated with any of my experience (plz let me know i someone else has)

Quote:
Originally Posted by Kyleinator View Post
No it would be two dual channel sets. Basically dual channel ram means ram sticks must be added in pairs. That means you cannot install 3 sticks of ram or 1 stick of ram. You must install 2 sticks or 4 sticks. I hope I understood you correctly.
not realy... since all DIMMs are certified to work together it is "quad channel" because you can install all 4 sticks in 1 channel and they will run at reated speeds (ignoring bandwidth limitations)... @ OP... dual channel just means 2 DIMMs per RAM channel... 1366 was tripple channel (3 DIMMs per channel)... x79 will support quad channel (idk if all boards will use it as some only take 4 DIMMs but), that means 4 sticks per channel... i would wait for memory designed for SB-E to come out just to be safe, but theoretically yes... a 4 DIMM kit should run in SB-E just fine (but a second 4 DIMM kit may not work in tandem with the first)

Quote:
Originally Posted by Samurai Batgirl View Post
The only thing that matters are the DIMM slots and the chipset. If you bought four 4GB sticks separately, it would work just like buying 4×4GB "quad channel" set.

There might be some difference between the two sets (you showed in the links) in real world scenarios, but the reason the 1866MHz set it more expensive is because it tries to keep the timings down and a fan is included. Oh, and Corsair said, "LOL, guys. Let's put GT at the end of the name and add more to the price."
LMAO ... i hate how true it is, yet how little we can do about it

@ your first paragraph... this is true if you arn't worried about frequency and latency... you can by any DDR3 RAM (each channel with matching amounts of memory) and they will all run at 1066 CAS11 (with SB)... if you are worried about frequency, then all ram above 1066 should be bought in a kit of how much you want for it to be guaranteed to work
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