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Question about sandy bridge memory.Please look.

post #1 of 4
Thread Starter 
hiya guys i know that sandy bridge is supposed to run 1.5 volts.so when i built my new rig i sold my 1.65 dominator 2000 c8's and bought a 4 gig kit of Dominator gt 1.5 volt c9 memory.But what confuses me is i can run my doms at 1.7 volts in my sandy bridge rig.Why cant i just buy 1.65 Dominators?

Also the other question is triple channel just meen 3 stick? Like if i use 2 is that dual channel?

Can someone explain this to me please .Because i cant find any Dominators now @ 1.5 volts
   
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post #2 of 4
Quote:
Originally Posted by mybadomen View Post

But what confuses me is i can run my doms at 1.7 volts in my sandy bridge rig.

You can run them that high but I don't know how long that setup will last. I think there are some people running 1.65 24/7 but I haven't seen much data on it.

Stick to some 1.5v sticks. See this article that shows with sandy bridge there is little improvement with higher memory speeds.

http://techreport.com/articles.x/20377/2

Edit: Other sources
http://www.bit-tech.net/hardware/memory/2011/01/11/the-best-memory-for-sandy-bridge/1

http://www.anandtech.com/show/4503/sandy-bridge-memory-scaling-choosing-the-best-ddr3/6

There was another source that I was more familiar with with the same results. Do some of your own research and I think youll find you don't need the 1.65 sticks unless your benching or just want more e-peen.
Edited by silvrr - 12/14/11 at 2:16pm
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by silvrr View Post

Quote:
Originally Posted by mybadomen View Post

But what confuses me is i can run my doms at 1.7 volts in my sandy bridge rig.
You can run them that high but I don't know how long that setup will last. I think there are some people running 1.65 24/7 but I haven't seen much data on it.
Stick to some 1.5v sticks. See this article that shows with sandy bridge there is little improvement with higher memory speeds.
http://techreport.com/articles.x/20377/2
There was another source that I was more familiar with with the same results. Do some of your own research and I think youll find you don't need the 1.65 sticks unless your benching or just want more e-peen.

yes i know this is true for some ram but my Dominators at 2133 with looser timings show much higher score in maxmem2 then at any other speed. 24gps running 2133 9.11.9.27 .I tried for a few days different sppeds and timings and it was always highest @ 2133 with looser timings.i know this goes against what everyone claims but yes thats the way it is with my ram.Thats why i so badly m looking for more 2133 Dominator Gt's 1.5 volts but i cant find anything.
   
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CPUMotherboardGraphicsGraphics
Intel I7-2700K AsRock Fatal1ty Professional Z68 Gen 3 Powercolor HD6970  Powercolor HD6970 
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4 Gig Corsair Dominators  2 Plextor 128Gig M3 Pro Series SSD's Raid 0 ekwb Dual Loop Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
25" HP 2511x Microsoft Sidewinder x6 1000w NZXT Hale90 PSU NZXT Switch 810 
MouseMouse PadAudioOther
Rat 5 Razer Vespula Bose  other Parts from ekwb / NZXT / Primochill / Mnp... 
CPUMotherboardGraphicsRAM
Intel i7 2700k  AsRock Fatal1ty Professional Z68 Gen3 PowerColor Hd6970 2gig (Reference) Corsair Dominator Gt's 1.5 volt 
Hard DriveHard DriveOptical DriveCooling
2 OCZ Vertex 3's Striped Raid 0 2Tb WD Black Asus Dual Layer Burner Custom Loop 
OSMonitorKeyboardPower
Windows 7 Ultimate 64 bit Hanspree 23" 1080p Monitor Hdmi and 55" Toshiba... Microsoft Sidewinder x6 Gming Keyboard Painted and Fully Sleeved Cougar 1050watt 
CaseMouseMouse PadAudio
NZXT Phantom White (Chrome Yellow Now! ) Cyborg Rat 5 Cheapo organomic one. Bose Campanion 3 
CPUMotherboardGraphicsRAM
i5 2500k @ 5ghz AsRock Fatal1ty P67 Professional Powercolor Hd6970 Corsair Dominator c9 2133mhz Ram kit 
Hard DriveHard DriveOptical DriveCooling
OCZ VERTEX II WD Black Asus Dual Layer Dvd Burner w/Lightscribe EK HD6970 water block (Nickel) 
CoolingCoolingCoolingCooling
EK Gpu Ram Plate EK Dominator Ram cooler Rasa RS360 KIT Magicool Extreme Dual 120mm Radiator  
CoolingCoolingCoolingCooling
3 Bitspower Ratory 1/2IDx3/4OD Compression Fitt... 7 Bitspower Compression fittings High Quality anti kink Primochill 1/2x3/4 Tubing 9 NZXT fANS (8 120'S and 1 140) 
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post #4 of 4
Sounds like you want them for benching then. You can run the ram at whatever voltage you want. No different than running your 2500k at 1.46 volts. You have you be willing to accept any damage or degradation that may happen from running over the recommended voltage.
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