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Good CPU cooler to overclock 2500K to over 5.0GHz? - Page 5

post #41 of 52
Quote:
Originally Posted by Jcoffin1981 View Post
For air cooling I think you should consider the Scythe Mugen 2. I own it and it keeps my PC very cool with a healthy overclock. If you look at various benchmarks, it consistently comes out on top.
It came out on top back in 09 when it was popular. The NH-D14 cools better, has better mounting, has better fans, has better warranty, etc.
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post #42 of 52
I say spend the extra 20$ and get an H100. Don't bother with air if you are shooting over/at 5.0ghz.
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post #43 of 52
I got the coolermaster V8.....max temps in a warm room (25c ambient) i top out at 72c @4.1ghz.....

is this good...and can I push my chip further? this is on stock voltage (havent changed anything except my multiplier!)
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post #44 of 52
Quote:
Originally Posted by porky View Post
I got the coolermaster V8.....max temps in a warm room (25c ambient) i top out at 72c @4.1ghz.....

is this good...and can I push my chip further? this is on stock voltage (havent changed anything except my multiplier!)
No, that's not particularly good. If that's on auto Vcore, yes, you can push it further.
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post #45 of 52
If that's not @ around 1.15-1.2 vcore...then no. You shouldn't push it further. I max @ 72*C with a failing H100 with 1.425vcore @ 4.8ghz.
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post #46 of 52
Alrighty, time for my 2 cents. I run an i7 2600k at 4.5Ghz with Hyper 212+ and my temps max at 81C on 18 hour P95 blend. Some CPUs run a bit cooler than others, some require more voltage. There's no way for anyone to tell someone what they would need to accomplish a certain OC. Of course if you're going for higher clock, you want to be on water. If you're just looking for settling in the 4.5Ghz range, you still may need watercooling to keep your temps lower and increase cpu life.

It sounds to me like the OP wants to push his OC as high as it will go, and still be safe. You should probably go watercooling for that. If you plan on finding a good overclock with 1.4v being your personal voltage limit, you're probably going to want watercooling for that. It's a greater chance that your chip will run pretty hot at 1.4v. If you're willing to spend the extra cash, get watercooling. My advice to you, get watercooling. And oh ya, get watercooling.

And I'm not a big fan of someone jumping on a thread and claiming that "oh, 4.5ghz on blah blah cooler, thats easy!" Just because it was easy for you doesn't mean it's easy for everyone else. Maybe you're lucky, maybe your just smarter than most of us, I dunno. What I do know is, this sort of statement encourages OCers with less experience to take higher risks than they probably should. Bad joo joo imo.

As for the statistics regarding the percentage of sandy bridges capable of doing certain clocks, that information is old and outdated. Those were the initial estimates posted by someone at Intel, but that same poster later admitted that it's likely that these chips can do better than that. I'm almost certain they came to those figures using D1, and D2 changed the ballgame. In the end, it doesn't matter what percentage of chips do what, it only matters what your chip does.

I cannot stress this enough. You pick your safe temp limits. You pick your safe voltage limits. If you fry your processor, it's on you. Not anyone else. As someone else mentioned before, OCing (especially on newer chips like sandy bridge) is a lot of guess work. Nobody knows what is going to make your chip last 3 years or more. If you want your Sandy to last that long, your best bet is to simply not OC it. Period. In 2 more years, we will have a better idea of the do's and dont's to making your CPU last 3 years.

Sorry for the long post, just had to get this off my chest. Good luck and enjoy your new build!
post #47 of 52
That is at 1.24v via cpu Z
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4x1TB 7,200RPM , 1x128GB Samsung SSD 1x 128GB K... Windows 7 64Bit Ultimate Samsung SA950D+ Optoma HD82 Antec 1000W Platinum 
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post #48 of 52
Quote:
Originally Posted by porky View Post
That is at 1.24v via cpu Z
Set it manually and increase CPU frequency. You can probably hit 4.2 or 4.3 GHz with that Vcore.
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Crucial M4 64 GB Crucial M4 128 GB SAMSUNG Spinpoint M9T 2 TB LiteOn DL-8ATSH 
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M1XN
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CPUMotherboardGraphicsRAM
i7 4770K @ 4.2 GHz ASUS Maximus VI Impact MSI GTX 970 Gaming 4G 2x8 GB Kingston HyperX DDR3 @ 2400 MHz 
Hard DriveHard DriveHard DriveOptical Drive
Crucial M4 64 GB Crucial M4 128 GB SAMSUNG Spinpoint M9T 2 TB LiteOn DL-8ATSH 
CoolingOSMonitorKeyboard
Noctua NH-C14 Windows 10 64-bit ViewSonic VP2770 Vortex Pok3r 
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Corsair SF600 NCASE M1 V2.5 Logitech G502 SteelSeries QcK+ 
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post #49 of 52
ok im just thinking , is it worth an extra 200mhz to oc and face possible crashes and headaches? im to lazy to be honest...200mhz is a 5% increase!...
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i7 4790K 4.8GHZ 1.35V MSI Z97 M-Power EVGA GTX 980 Superclocked 16GB Corsair Vengeance 
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4x1TB 7,200RPM , 1x128GB Samsung SSD 1x 128GB K... Windows 7 64Bit Ultimate Samsung SA950D+ Optoma HD82 Antec 1000W Platinum 
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NZXT Phantom Logitech G7 
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My System
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CPUMotherboardGraphicsRAM
i7 4790K 4.8GHZ 1.35V MSI Z97 M-Power EVGA GTX 980 Superclocked 16GB Corsair Vengeance 
Hard DriveOSMonitorPower
4x1TB 7,200RPM , 1x128GB Samsung SSD 1x 128GB K... Windows 7 64Bit Ultimate Samsung SA950D+ Optoma HD82 Antec 1000W Platinum 
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NZXT Phantom Logitech G7 
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post #50 of 52
Quote:
Originally Posted by porky View Post
ok im just thinking , is it worth an extra 200mhz to oc and face possible crashes and headaches? im to lazy to be honest...200mhz is a 5% increase!...
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