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Maximum safe voltage for i7-3770K

post #1 of 13
Thread Starter 
I am running my i7-3770k @ 4.5Ghz , 1.31V and i also have a corsair h115i AIO cpu cooler. i want to take my cpu to 4.7 just want to know the maximum safest voltage.
post #2 of 13
Temps are more important than voltages. Making sure that your cpu, motherboard nb,sb and vrms are kept cool
post #3 of 13
Actually, voltage is far more important than temperature. You can degrade a CPU within minutes with high enough voltage even if you're using LN2.

For ivy bridge, you want to keep it bellow 1.35V. 1.38V should be the cut off, with anything over 1.4V bringing degradation in a few months depending on usage.
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CPUMotherboardGraphicsRAM
6700K @ 4.8 GHz 1.35V Gigabyte Z170X Gaming 7 MSI GTX 1080 TI Sea Hawk EK X @ 2.1 / 12 GHz 32GB G.SKILL Ripjaws 3350 MHz 15-14-14-34-2T 1.35V 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 960 Pro 1TB WD Red 8TB NAS 10 * 6TB HGST Desktar NAS (RAID Z2) Go away 
CoolingCoolingCoolingCooling
EK-FB GA Z170X Monoblock EK/MSI Waterblock/Backplate 2 * Dazmode Darkside LP360 MCP355 DDC @ 7V 
CoolingOSMonitorKeyboard
9 * Corsair SP120 Quiet Edition @ 7V 8.1 Pro 12-bit ASUS ROG Swift PG279Q + LG 34UM58-P Corsair Vengeance K60 
PowerCaseMouseMouse Pad
SeaSonic SS-520FL2 - Fanless Fractal Design Define S Logitech G502 Proteus Core XTRAC PADS Ripper XXL 
Audio
Asus Xonar DSX 
CPUMotherboardGraphicsRAM
4770K @ 4.7 GHz 1.39V Maximus VI Gene MSI GTX 1070 Seahawk EK X @ 2.1/9.0 Ghz 16GB G.Skill Sniper 2600 MHz 11-14-14-14-2T 1.65V 
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Samsung 840 Pro 256GB Seagate Barracuda 8TB I will end you Dazmode Darkside Maple Leaf Special Edition 
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EK GTX 1070 Seahawk Feser TFC Admiral 240 Black Ice GTX Xtreme M92 6 * Silverstone SST-FN121-P 
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2 * Noctua NF-B9 Redux 8 Pro 64-bit Samsung U28D590D 28" 4K Overlord Tempest X270OC 27" 1440P @ 72 Hz 
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Corsair Vengeance K60 EVGA SuperNova 750 G2 NZXT Vulcan (With Attached Handle) Logitech G500 
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CPUMotherboardRAMHard Drive
E5-2670 Supermicro X9SRA 64GB Samsung ECC 1333 MHz Mushkin Ventura Pro 32GB (Boot) 
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10 * 6TB HGST Deskstar NAS (RAID Z2) I will harm you Corsair H60 FreeNAS 9.10 
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post #4 of 13
You should be able to run 4.6 safely. I dont know about 4.7 though which will probably require close to 1.4+.
post #5 of 13
Thread Starter 
Quote:
Originally Posted by Cyclops View Post

Actually, voltage is far more important than temperature. You can degrade a CPU within minutes with high enough voltage even if you're using LN2.

For ivy bridge, you want to keep it bellow 1.35V. 1.38V should be the cut off, with anything over 1.4V bringing degradation in a few months depending on usage.
what did you mean when you said 1.38V should be the cut off ?
post #6 of 13
Just keep in under 1.4 volts and don't stress test with something like Intel Burn Test.

Use Asus Real Bench for 2 hours and you should be set if it passes.

I learned the hard way with IBT. It will definitely shorten the life of your CPU at higher voltages.
post #7 of 13
Thread Starter 
Quote:
Originally Posted by Lex Luger View Post

Just keep in under 1.4 volts and don't stress test with something like Intel Burn Test.

Use Asus Real Bench for 2 hours and you should be set if it passes.

I learned the hard way with IBT. It will definitely shorten the life of your CPU at higher voltages.
i have been stress testing with Prime95 blend tests , i have reached 1.38V but prime95 shuts down which is a sign of in stability frown.gif
post #8 of 13
With Ivy I wouldn't go above 1.35 vcore under load, Haswell 1.3v with sandy and the new skylake stay at or below 1.4v under load.
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post #9 of 13
When I was researching the 3770k overclocking it seems they said less than 1.3v for 24/7
post #10 of 13
Quote:
Originally Posted by SauronTheGreat View Post

I am running my i7-3770k @ 4.5Ghz , 1.31V and i also have a corsair h115i AIO cpu cooler. i want to take my cpu to 4.7 just want to know the maximum safest voltage.

Been running my 3570k at 1.328 ish volts under max load most of the time since 2012. Even Folded on the CPU for a year or so, as well as a fair amount of gaming.

Id be happy with around 1.35v if temps are in check. Some people have even push closer to 1.4 24/7, but that depends on how easy it is for you to replace it if it or the motherboard does pop.

4.6 at 1.31 is good, if you cant get 4.7 for 1.35ish Id just stick with that, its not a difference you would notice IMO.
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