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i5-2500k Voltage for 4.5GHz

post #1 of 6
Thread Starter 
I have a gigabyte z68xp-ud4 and for 4.2GHz it takes 1.30V w/Level 5 LLC to get 16 hours stable in P95, so the LLC puts it at 1.32V under load, which is a lot compared to most people here

I have a 2x140mm Silver Arrow so that keeps the temps as low as any air setup, ~55C in the 16H P95 run last month


So whats a good voltage to stay under for a higher OC, and how much extra strain does it mobo under running at +1.35V all the time ? I think I've tried up around 1.34-35 before and it wasn't stable
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rig
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post #2 of 6
LLC needs to be atleast level 3 or 2. If your board is anything like the asrocks. 5 being no compensation 1 being max.
Upgrayedd
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Upgrayedd
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post #3 of 6
According to the internet, Intel recommends you to not exceed 1.38v. (Sandy Bridge)

"Doing so could severely limit the life of your CPU."

Obviously if you put it at 1.40 nothing bad will happen, just highly advised not to use voltage like that for long periods/regular use.
post #4 of 6
Quote:
Originally Posted by Splinter007 View Post

According to the internet, Intel recommends you to not exceed 1.38v. (Sandy Bridge)

"Doing so could severely limit the life of your CPU."

Obviously if you put it at 1.40 nothing bad will happen, just highly advised not to use voltage like that for long periods/regular use.

Do you have a link for that? I thought Intel released a spec sheet showing 1.52 as max safe vcore.

OP check out this thread. You can get good ideas and look at a spreadsheet of other members overclocks. To give you a rough idea as what to expect.
http://www.overclock.net/t/968053/official-the-sandy-stable-club-guides-voltages-temps-bios-templates-inc-spreadsheet
Upgrayedd
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Upgrayedd
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by Dimaggio1103 View Post

LLC needs to be atleast level 3 or 2. If your board is anything like the asrocks. 5 being no compensation 1 being max.

no gigabyte is 0-10, higher as it goes up

Looking at the 24/7 list I guess I shouldn't worry if it takes close to 1.40V
rig
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i7-2700k @ 4.5GHz ASRock z75 Pro3 MSI 980 Ti Gaming and Gigabyte R9 290 OC windforce 8GB 2133 CL9 Gskill Snipper 
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2x 128GB M4 sata3 3TB Seagate + 640GB WD black M550 512GB sata3 2x140mm SilverArrow 
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Win7 64bit QNIX 27" 1440p @96Hz 850W EVGA SuperNova +80Gold HAF 932 
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rig
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i7-2700k @ 4.5GHz ASRock z75 Pro3 MSI 980 Ti Gaming and Gigabyte R9 290 OC windforce 8GB 2133 CL9 Gskill Snipper 
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2x 128GB M4 sata3 3TB Seagate + 640GB WD black M550 512GB sata3 2x140mm SilverArrow 
OSMonitorPowerCase
Win7 64bit QNIX 27" 1440p @96Hz 850W EVGA SuperNova +80Gold HAF 932 
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post #6 of 6
I can do 4.5ghz @1.29 with z68x ud3h b3
My Battlestation
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My Battlestation
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Core i5 2500k Gigabyte GA-Z68X-UD3H-B3 Evga GTX 560Ti FPB Corsair Vengeance 8GB 1600MHz 
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OCZ Agility 3 120GB WD Caviar Green 2TB Thermalright Silver Arrow IB-E Extreme Windows 8.1 64-bit 
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