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Overclocking I7-3770K on ASRock Z77 Extreme4

post #1 of 8
Thread Starter 
So, I have an i7-3770K that I wish to overclock. I will receive a ASRock Z77 Extreme4 motherboard.
On this board I will also be running 2 Gigabyte HD7870 Ghz. OC Edition cards in crossfire, which I would like to overclock as well.
I am also getting the CoolerMaster Hyper EVO 212 cooler along with Arctic Cooling MX-4 thermal paste.
My PSU is currently the CoolerMaster RS-620-ASAA-A1

Info: (http://cdn.billiger.com/dynimg/dJ7xA0jgv9owU_FUmojsurt4H9rycHjeBa9LTdXG2DA5E88VyFRUegGWK8dMJUdOF-5eYXsLFoGgHvOMjFxVjc/Katalogansicht.pdf)

The CPU I wish to overclock to 4.5 Ghz. Further if possible, but this is my main goal.
The GPU's I'm unsure as to how much they can be overclocked together. Though hopefully I can squeeze out something somewhat close to this http://www.hardocp.com/article/2012/06/19/gigabyte_radeon_hd_7870_oc_video_card_review/3#.Ub_aj5yejxw without the voltage tweaked overclock. Since it's 2 cards, I expect I wont be able to get it quite that far.

As far as I can tell both cards overclocked should draw around ~500 Watt maximum at load.
No idea what CPU power draw will be at.




My main question is: Will my PSU and cooling be able to handle this? I doubt regarding the PSU especially, but I was told I had a decent headroom for drawing more power. It seems to me to be quite the stretch though. Currently everything runs fine at stock clocks on a B75 board.
Edited by LoveTrain - 6/17/13 at 9:07pm
post #2 of 8
The PSU might work but it is kinda sketchy. But just go ahead and get the setup and see how it does. Your cooling should be alright.

As a side note if it's an option and the price should be similar id suggest swapping the asrock for a gigabyte ud3h. It gives more stable OCs and has better vrm's.
    
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CPUMotherboardGraphicsGraphics
I7 4790k 4.7ghz Asrock Z97 Extreme4 Gigabyte G1 GTX 970 SLI @ 1590Mhz Gigabyte G1 GTX 970 SLI @ 1590Mhz 
RAMHard DriveHard DriveHard Drive
16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
Hard DriveCoolingCoolingCooling
Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
MouseMouse PadAudioAudio
Logitech G9X Mionix Propus 380 ATH AD700 Creative X-Fi Titanium 
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Logitech X-530 
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post #3 of 8
Thread Starter 
The reason I'm getting this motherboard is because I happen to be able to get it at 50% lower price. So the Gigabyte UD3H isn't an option. I'm getting the thermal paste tomorrow, so I'll be able to put it all together and see how much I can pull. Thank you for your response and answer smile.gif
post #4 of 8
Thread Starter 
Oh, and one more thing. I'm currently using the Intel HD integrated graphics for my third monitor due to having 2 VGA-only monitors and 1 DVI/HDMI. Since they have to be plugged into the first GPU-card I can only put 2 of them on that one without use of adapters (crossfire can't handle having monitors plugged into both cards). The third I've plugged into my Intel HD Graphics. I rarely see more load on this third monitor beyond 10% max. But how much extra heat does simply having the APU activated generate since it's on the CPU die? Negligible or noticeable?
post #5 of 8
Thread Starter 
So I got it all set up. I wont receive the thermal paste until Friday, so I've just decided to try it out with the CoolerMaster thermal paste that came with the EVO.

I am getting idle temps from 50 to 60. This seems insanely high. Ambient room temperature is 25-30 degrees. My case is however open on one side... But I don't think I should be getting these temps. Poor thermal paste applying perhaps? All equipment is brand new.

EDIT: I'd like to add that the fan speed on the EVO seems a bit slow to me, thought it may just be my inexperience. SpeedFan however, cannot register the fan speed and reads 0 RPM

EDIT2: I have just check the BIOS, and it can't pull any info from the CPU fan either (Says N/A)
Edited by LoveTrain - 6/18/13 at 10:45pm
post #6 of 8
In speedfan go to configure>advanced>IT872F at $A30 on ISA then select PWM 1,2,3 etc and set it to on/off or software controlled. Then you can modify the fan speeds on the main page.

But yea idle of 60 is outrageous. Thats what my 4.5ghz 1.3v 3570k loads at., idles in the upper 20s to low 30s. Although 30 room temp is insane too smile.gif
    
CPUMotherboardGraphicsGraphics
I7 4790k 4.7ghz Asrock Z97 Extreme4 Gigabyte G1 GTX 970 SLI @ 1590Mhz Gigabyte G1 GTX 970 SLI @ 1590Mhz 
RAMHard DriveHard DriveHard Drive
16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
Hard DriveCoolingCoolingCooling
Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
MouseMouse PadAudioAudio
Logitech G9X Mionix Propus 380 ATH AD700 Creative X-Fi Titanium 
Audio
Logitech X-530 
  hide details  
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CPUMotherboardGraphicsGraphics
I7 4790k 4.7ghz Asrock Z97 Extreme4 Gigabyte G1 GTX 970 SLI @ 1590Mhz Gigabyte G1 GTX 970 SLI @ 1590Mhz 
RAMHard DriveHard DriveHard Drive
16gb GSkill Sniper 2200mhz Crucial MX100 256gb Samsung F3 1TB Samsung F3 1TB 
Hard DriveCoolingCoolingCooling
Seagate 3TB EK Supremacy Evo EK Nickel VGA Block x2 w/ Backplates Alphacool UT60 480mm Rad 
CoolingCoolingCoolingOS
Alphacool XT45 480mm Rad Dual D5 Pump w/ Dual Pump Top Gentle Typhoon AP-15s x18 Win 7 64 bit 
MonitorMonitorPowerCase
Qnix QX2710 1440P + 1080P IPS secondary Benq W1070 Projector on 120" Screen Seasonic Platinum 1200w Corsair 900D 
MouseMouse PadAudioAudio
Logitech G9X Mionix Propus 380 ATH AD700 Creative X-Fi Titanium 
Audio
Logitech X-530 
  hide details  
Reply
post #7 of 8
Thread Starter 
When I go to the advanced tab (and then Novuton NCT6776F at $290 on ISA) I can see the PWM 1,2,3 mode options. But my available values are: Manual, Thermal Cruise, Fan Speed Cruise and Smart Fan IV.

I also decided to try something out. I took the stock cooler and separated it, then reassembled it backwards and put it on top of the EVO, creating af push/pull flow throughout. I added this to the CPU_FAN2 power 3-pin connector. This fan I can see the RPM without issue. I still cannot seem to be able to see the RPM of the Evo.
Adding the stock cooler on top dropped the temps by ~15 so I think I might see how that works out later on too, hehe.
Still the temperatures with just the EVO seems strange still. I really wanna be able to see if my RPM are good or not, so I can determine if I've just applied the thermal paste poorly, and to figure out if the EVO fan is faulty.

30 room temperature might be an exaggeration. I'm not aware of my actual room temperatures. But they're like around 25 I believe.

Thank you for your time smile.gif

EDIT: Actually it seems the RPM reading of the EVO keeps dropping in and out. Once in a while It'll pop up and states the RPM. Most of the time it's at 0. Looking at the FAN itself it SEEMS like it doesn't spin at a even remotely continuous speed, but spins and stops and spins and stops. Could it be a bad connection?

EDIT2: Flashed BIOS... no change. Guess I'll try reapplying thermal paste tomorrow.
Edited by LoveTrain - 6/19/13 at 12:48am
post #8 of 8
Thread Starter 
Update! I fixed my issue with the fan. Apparently I can't have it pointing downwards. If it points down, it will push slightly outwards and wont be able to rotate correctly.
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