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3 sticks of ram, sabertooth z77.

post #1 of 17
Thread Starter 
so for my sig rig, i bought another ballistix elite 2x8gb. i only have room to place 3 sticks of arm,as the one closest to the cpu is completely covered by my cooler.

can i run 3 sticks of ram? and do i set the memory to single vs dual channel in bios first?

any drawbacks to running 3 sticks of ram?

the reason i want more then 16gb of ram is because most of the time without any games i use about 7-8gb of ram. and when i game i occasionally would get the out of ram error, and windows starts closing crap on me .
i7
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i7
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post #2 of 17
You want to run 2 to have dual channel enabled get a 8 or 16GB kit and enjoy the system if you use 3 you will loose the dual channel and the system will be much much slower
post #3 of 17
Thread Starter 
Quote:
Originally Posted by [CyGnus] View Post

You want to run 2 to have dual channel enabled get a 8 or 16GB kit and enjoy the system if you use 3 you will loose the dual channel and the system will be much much slower

can you explain that in more detail? ive searched around and most people say you wont notice anything, unless you benchmark your ram.

the ram is still very fast 1866, with decent timing.
i7
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i7
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post #4 of 17
Thread Starter 
i ran a few benchmarks, and there is no difference at all between 16gb(2 sticks) and 24gb (3 sticks). this could be due to bad benchmarking on my part, not very experienced in ram benchmarks.

here are the raw results if anyone is interested (sry for crude paint job/naming).

clean/empty means fresh restart.

loaded/full means no restart in 24hr+.
Warning: Spoiler! (Click to show)








i7
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i7
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post #5 of 17
try to use maxmem2 preview http://www.maxxpi.net/pages/downloads/maxxmemsup2---preview.php do some Super Pi 1mb, cinebench 3dmark11
post #6 of 17
Thread Starter 
Quote:
Originally Posted by [CyGnus] View Post

try to use maxmem2 preview http://www.maxxpi.net/pages/downloads/maxxmemsup2---preview.php do some Super Pi 1mb, cinebench 3dmark11

i did 3 tests with maxmem2_preview . 2 16gb 1 24gb and no difference.

i will try super pi if have time,i have to remove 3rd stick, then put it back. i cant do cinebench or 3dmark as my 5850's fried last week (the small PCB for fan was literally toasted black. ), waiting on 290x lighting.
i7
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i7
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post #7 of 17
I find this strange if i remove one of my sticks i loose performance in everything...
post #8 of 17
Thread Starter 
Quote:
Originally Posted by [CyGnus] View Post

I find this strange if i remove one of my sticks i loose performance in everything...

if you "remove"? i went from 2x8gb sticks to 3x8gb. i didn't remove anything.
i7
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i7
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Intel 330 SSD WD black caviar 500gb Seagate barrcuda Windows 7 64bit 
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post #9 of 17
yes i only have 2 if i remove one it stays single channel, but if 3 work for you let it be thumb.gif
post #10 of 17
Definitely don't recommend running 3 sticks if you can run 2 or 4, the ram will run in Flex Channel which means 2 sticks will run in dual channel, and one stick will run in single channel. You'll have a fairly noticable dip in speed whenever there is data read off of the single channel stick
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My Pride and Joy
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[Team Group] 16GB @ 2133 [Samsung] 850 Pro 256 GB [Samsung] 840 Evo 120 GB [Western Digital] Caviar Blue 1TB 
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[Seagate] Barracuda 1TB [Seagate] Barracuda 500GB [Toshiba] 2TB [Kingston] SSDnow V300 60gb 
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