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Using dual-channel together with triple-channel

post #1 of 8
Thread Starter 
I have ASUS P6X58D with Corsair TR3X6G1600C7 XMS3 6 GB PC3-12800 1600Mhz CL7 240-pin Triple Channel Core i7 DDR3 Memory Kit using these configuration (or very close). I don't remember adjusting the timings on the memory, if I did they most likely would be running 7-7-7-20 or similar.

From what I found out later, triple channel is around a 10% gain over dual channel and I just got Patriot G Series ‘Sector 5’ Edition 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model PGV34G1333ELK.

Would it be a performance gain to put these in? If I remember correctly, your memory runs as fast as the slowest one so I'd have to OC these new ones? Any suggestions?

EDIT: Rest of spec in signature.
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post #2 of 8
It doesnt matter what memory sticks you use, weather they are for tripple channel or dual channel. they are the same, they just call them triple channel because they are for either having 3 or 6 sticks not 2 or 4, but the sticks are all the same thumb.gif
post #3 of 8

The performance gain should be none for 24/7. It would be useful if only if you need more physical RAM rather than to improve performance. If you mix those 2 sets with different timings, best is to leave it at Auto and let BIOS select what is best.

 

I am not sure if you can use 5 sticks for X58 and maintain the Tri-channel configuration but 4 and 6 sticks are definitely can.

 

900x600px-LL-c86ceab9_dffd2a6b42f5dad5a37dc1ee7ddfc603.jpeg

 

 

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post #4 of 8
Thread Starter 
So the answer is basically only put it in if I actually need the additional RAM?

I had assume that if I chose to put the dual-channel in then everything would operate in dual-channel. So the end result would be 2/2/1.
Edited by nevets1219 - 12/21/11 at 5:42pm
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post #5 of 8
It is the installation configuration that puts you in dual or tripple channel, not an aspect of the RAM stick
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post #6 of 8
^^^ Yup thumb.gif
Edited by GreekGamer09 - 12/21/11 at 10:26pm
post #7 of 8
Quote:
Originally Posted by nevets1219 View Post

So the answer is basically only put it in if I actually need the additional RAM?

I had assume that if I chose to put the dual-channel in then everything would operate in dual-channel. So the end result would be 2/2/1.


Yes, only the applications you run and your system environment need more physical RAM. But more will never hurt if you don't overclock above the CPU rated specifications.

 

BIOS will always use the slowest timings of the mixed sticks.

 

Tri-Channel will perform better than Dual-Channel and Quad-Channel over Tri-Channel.

 

As for Dual, Tri, Flex Memory Mode configurations, please have a look here;

 

http://www.intel.com/support/motherboards/desktop/sb/cs-011965.htm

 


 

 

 

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CPUCPUMotherboardGraphics
i7-3960X i7-980X GA-X79-UD7 / GA-X58A-UD9 7970 + 465 
GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
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ケンジ
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CPUCPUMotherboardGraphics
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GraphicsRAMRAMHard Drive
2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
Hard DriveHard DriveCoolingCooling
120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
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post #8 of 8
Thread Starter 
Thanks for the info!
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Corsair AX750 CoolerMaster HAF 932 
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My System
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CPUMotherboardGraphicsRAM
Intel i7 930 ASUS P6X58D Premium EVGA GTX 670 FTW Sig2 Corsair 3x2GB 
Hard DriveOptical DriveOSMonitor
WD Caviar Black 2TB Samsung BD Windows 7 Ultimate 64bit Samsung PX2370 
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Corsair AX750 CoolerMaster HAF 932 
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