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3x4GB triple channel or 2x4GB dual channel for OC stability and gaming performance?

post #1 of 5
Thread Starter 
Hey guys, first post here! I have finished building my new rig but have encountered an issue with the memory. My CPU cooler extends over the first DIMM slot on the mobo so I cannot use the recommended configuration for 4 DIMMs. I currently have 4 x 2GB. My comp is running fine but I haven't tried overclocing with it yet and am thinking I will be unstable with my DIMMs positioned the way they are, so I have decided to buy some new memory. I am thinking of going with either:

CORSAIR DOMINATOR GT 12GB (3 x 4GB) DDR3 2000 (PC3 16000)
http://www.newegg.com/Product/Produc...82E16820145329

or

CORSAIR DOMINATOR GT 8GB (2 x 4GB) DDR3 2000 (PC3 16000)
http://www.newegg.com/Product/Produc...82E16820145330

I am able to install the DIMMs with the recommended configuration for 2 and 3 DIMMs.

My question is, which setup would be best for overclocking 2 DIMMs or 3 or do you think there will be much of a stability difference at all? And I know I probably don't need more than 8GB for todays games but what about games three or four years from now? I just want my PC to be as fast as possible, I will also be using it for photoshop and illustrator and often have a lot going on at once.

My current setup:
Mobo: EVGA Classified 3 E770
Proc: Intel i7 990x @ stock 3.47 Ghz
RAM: Corsair Dominator GT 8GB (4x2GB) DDR3 2000
GPU: EVGA GTX 470 SLi superclocked (will be upgrading to 680's when they're out.)
PSU: Corsair AX1200

Thanks for any and all help!

PS. If anyone wants to buy my current Dominator GT's at a very discounted price let me know! Here they are on Newegg: http://www.newegg.com/Product/Produc...82E16820145317
post #2 of 5
Just as a "fyi" - your motherboard uses triple channel memory, its best to use triple channel, its one of the advantages of getting an LGA 1366 vs. everything else. Also your motherboard is designed to use the red slots (A2, B2, C2) first and then if you need all the slots THEN to use the black slots (which most users will find blocked by a majority of coolers.

I don't really see any need to go over 6GB of memory, but if you really need more than that then get a nice 3 X 4GB. The CORSAIR DOMINATOR GT 12GB kit will do you just fine.

Since it is your first post, Welcome to OCN!
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post #3 of 5
I concur with appleg33k85 on getting channel memory, go with the CORSAIR DOMINATOR GT 12GB and you should be all set.
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post #4 of 5
Two-sticks will probably OC marginally better than three. Performance difference between dual and tri-channel is marginal.

Other than total memory and how much you are paying, I'd be very surprised if you noticed any perceptible difference.
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post #5 of 5
In general, 4GB DIMMs will not overclock that much compared to 2GB DIMMs regardless of number of channels. That being said I use 3x4GB and am quite happy with it for both gaming and workstation use.

Quote:
Originally Posted by appleg33k85 View Post
I don't really see any need to go over 6GB of memory, but if you really need more than that then get a nice 3 X 4GB.
Photoshop and other Adobe CS apps will eat 6GB of RAM for lunch.
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SpinpontF3 1TB, WD 250, and WD320 Lite-On DT Waterblocks DT5Noz Waterblock Swiftech Komodo 6900-1 Waterblock 
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Swiftech MCR-220 Drive radiator Swiftech MCR-220 QP radiator 6xGentle Typhoon AP-15s Archx64 KDE4.5, Windows 7 x64 
MonitorKeyboardPowerCase
Eyefinity 3-head 5265x1050 OCN Ducky!! MX Blue Switches XFX 750W Black Edition Mountain Mods H2gO 
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Razer Naga Asus Xonar Essence STX Sennheiser 595 Sony STR-DE995 A/V receiver 
OtherOther
Lian Li Card flash memory reader Asus PCE-N15 Wifi-N card 
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AMD 1055T Gigabyte 790 Sapphire 4850x2 2x2GB 1600mHz 
Hard DriveOptical DriveOSKeyboard
A few Yes Vista/7 Das Keyboard 
Power
Ugly 
CPUMotherboardGraphicsRAM
Qualcomm Snapdragon APQ8060 1.2 GHz Something kinda small Qualcomm Adreno core 16GB 
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