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Overclock and Cooling i5 7600K on MSI z270 Gaming Pro . Suggestions

10K views 14 replies 5 participants last post by  EMUracing 
#1 ·
Hey guys,

I am assembling my first OC build and need all the help I can get to get a proper airflow and Overclock.

Specs:
1. i5 7600K
2. MSI Z270 Pro Carbon
3. NZXT Kraken x62 AIO Liquid Cooler
4. NZXT h440
5. GSkill Trident Z 16GB 3200 MHz
6. GTX 980 founders edition (soon to update to 1080Ti)
7. PSU Corsair 750W - CX - bronze certified

All the fans are stock. 4 Fans with the case three 120 in front and 1 140 at the back. And the AIO fans. 2x 140

a) How should I keep and IN/OUT flow of the fans to get the best airflow.
b) Need a beginners guide to OC. What I am planning to achieve is 4.7 / 4.8 Ghz range. Is it achievable and a small guide will really help.
c) My Ram says 3200 MHz. Will it be already 3200 MHz or is it the max it can be OCed to. Is 3200 MHz is a good speed or do I need more.
d) Is my PSU bad? Do you suggest anything else or will it do Just fine

I will be doing gaming and minimal rendering.

Waiting for your Replies.
 
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#2 ·
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#4 ·
If you are not going to have two video cards you dont need a 750 watt PSU as the system you have wont draw more then about 300 watts
A 550 watt would be more then enough unless you plan on having two video cards

As for which one the EVGA SuperNova G2/G3 and the Bitfenix Whisper are much better then the CX
Dont know anything about how high your RAM can go.
 
#6 ·
Since you will be using a blower type cooler on the gpu, I would recommend placing the aio on the top of the case as exhaust. Intake from bottom/front, exhaust top/rear. You can install the aio in the front as intake as well if that works better for the case layout.

If using an open air cooler on gpu, I would try to only use aio as intake, otherwise you will push the gpu exhaust through it.

There's not much to setting up airflow, you just want a general flow through the case.
 
#7 ·
Quote:
I think I have the same psu you have but there's like 4 different models of the same one. 2 of which are pretty bad like said in the thread you made. I was able to get very high overclock out my cpu with no problem... you're not using it near its limit so if it is operating normal (good voltage), it should be fine. I don't have experience with Kaby lake so I suggest you to look for guide on the net. I am sure there's a lot of it.
Pro tip: look for specific guide for your motherboard.
Pr0 tip: read your motherboard manual and learn what every settings do. You don't need to know all of them, only a few will be useful but knowing what you're doing = better overclock.
This was in response to a PM I received.

Edit: I used to care a lot with the air flow so that might be why he contacted me. There's no secret, if you want air flow you gotta move the air.
You got several options such as:
1- More case fan(s).
2- Larger case fan(s).
3- Faster case fan(s).

1 & 3 = more noise and fans are COSTLY. I spent 200+$ in fans easily. My advice would be to put 1 intake 140mm or bigger and 1/2 140/120 exhaust.

I see you have an AIO cooler. You will have to live with the limitation of your cooler also. I have the chance to own a NH-D14 that handle 4.8-4.9 with good temperature. I leave higher overclock to my custom WC loop. It gets really toasty after 4.8 ish (no matter how good your case flow is, really).

End note: Fans are effective to push the air, not to pull it. So it might be quite tempting to go the push/pull route but you'll only get very minimal improvement. Just look at how Noctua make their coolers, there's a reason why they put a 140 mm in the middle. Not only larger fan pull more but the middle fan can also push the air through the second part of the cooler.
 
#8 ·
Quote:
Originally Posted by Just a nickname View Post

This was in response to a PM I received.

Edit: I used to care a lot with the air flow so that might be why he contacted me. There's no secret, if you want air flow you gotta move the air.
You got several options such as:
1- More case fan(s).
2- Larger case fan(s).
3- Faster case fan(s).

1 & 3 = more noise and fans are COSTLY. I spent 200+$ in fans easily. My advice would be to put 1 intake 140mm or bigger and 1/2 140/120 exhaust.

I see you have an AIO cooler. You will have to live with the limitation of your cooler also. I have the chance to own a NH-D14 that handle 4.8-4.9 with good temperature. I leave higher overclock to my custom WC loop. It gets really toasty after 4.8 ish (no matter how good your case flow is, really).

End note: Fans are effective to push the air, not to pull it. So it might be quite tempting to go the push/pull route but you'll only get very minimal improvement. Just look at how Noctua make their coolers, there's a reason why they put a 140 mm in the middle. Not only larger fan pull more but the middle fan can also push the air through the second part of the cooler.
Thanks for the Reply

Here are the few things bothering me before OCing

1. When I enter MSI Click Bios 5 - My pump RPM is 0 - My Fans are working fine. When I use the CAM software it shows both the fan and pump RPM. Why is that happening?
2. I have setup x62 rad on top of my H440 - Fans on top, radiator below and Fans are intake. Front Fans are Intake and the rear 140 Fan is Exhaust. What is your professional opinion on this setup?
3. My Idle Temperature is 33 - 36 Celsius. Is it normal with AIO cooler? Shouldn't I be getting High 20s?
4. I dont mind running the AIO at Full RPM for Pump and Fan all the time - Noise is no problem. Is it a better option to Run pump and Fan at Full all the time?
 
#9 ·
Idle is a bit high. Mine is sitting around 27C with the NH-D14. Room at ~20C (more like 18C considering the thermostat is 1 meter above it).
The advice is to usually put top and rear exhaust & front/bottom intake. Make sure the fan on your radiator is pushing the air. You can put a second fan (pulling) but like I said, don't expect miracle.
The way you install the pump/block on the cpu makes a big difference. A good contact with enough pressure and a proper thermal paste application can save you 5C easily. It took me a while to make it right with my water block. The noctua only has 2 bolt so it is hard to miss it.

The best way I've found to install my EK copper block was to hold it by the tubes and prevent it to touch the thermal paste until the bolts were set in. Then you gradually apply pressure, respecting the torque order sequence (bolt #1-3-2-4). You can verify if you did it right if you can see the thermal paste spreading like a circle (upon removal). It's fine if the corners aren't covered. The die is located in the center of the whole CPU.



The next logical advice to get lower temperature would be to delid the CPU but I do not recommend this. You might be able to squeeze a couple of hundred MHz but you lose your warranty and a lot of folk get nervous when you try to sell something with no warranty on the used market.
 
#10 ·
Quote:
Originally Posted by Just a nickname View Post

Idle is a bit high. Mine is sitting around 27C with the NH-D14. Room at ~20C (more like 18C considering the thermostat is 1 meter above it).
The advice is to usually put top and rear exhaust & front/bottom intake. Make sure the fan on your radiator is pushing the air. You can put a second fan (pulling) but like I said, don't expect miracle.
The way you install the pump/block on the cpu makes a big difference. A good contact with enough pressure and a proper thermal paste application can save you 5C easily. It took me a while to make it right with my water block. The noctua only has 2 bolt so it is hard to miss it.

The best way I've found to install my EK copper block was to hold it by the tubes and prevent it to touch the thermal paste until the bolts were set in. Then you gradually apply pressure, respecting the torque order sequence (bolt #1-3-2-4). You can verify if you did it right if you can see the thermal paste spreading like a circle (upon removal). It's fine if the corners aren't covered. The die is located in the center of the whole CPU.



The next logical advice to get lower temperature would be to delid the CPU but I do not recommend this. You might be able to squeeze a couple of hundred MHz but you lose your warranty and a lot of folk get nervous when you try to sell something with no warranty on the used market.
Thanks for your reply,
I have set it up and did a quick stress test with prime 95 27.9 on stock frequencies. I noted the CPU temp on the highest core reached around 64 and 100% load. (one thing to note, I didn't overclock it but my CPU runs at 4.1 GHz all the time) I think it's the turbo boost?
Now my next steps to change fans as exhaust on top and my kraken x62 come with pre applied thermal compound. I will wipe it clean and apply arctic silver 5 and make sure contact is decent.
Actually I am trying to bring my idle temperatures to 27 - 29 in bios before booting OS.
Once I have done that, I will overclock and post results. Thanks once again for the help. Greatly appreciated.

and for the deliding part, I thought about it but my balls are not as big tbh.
biggrin.gif
 
#11 ·
Arctic silver 5 is not a good paste. It takes a while until the paste cures and gives decent performance (people report 3-4C difference). I think the cure time is something like 200 hrs... You got better paste with no cure time on the market. I really like the Arctic MX4 and MX2 (cheaper version).
 
#12 ·
Sad thing is that all these things are not abailable in my country. So I have to order it from outside. And the amount I paid for a 3 gram tube - if I tell you, you will ask me to use it full lol. I paid around 20 dollars to get my hand on this 3 gram tube :X
 
#13 ·
Quote:
Originally Posted by mnunru View Post

Sad thing is that all these things are not abailable in my country. So I have to order it from outside. And the amount I paid for a 3 gram tube - if I tell you, you will ask me to use it full lol. I paid around 20 dollars to get my hand on this 3 gram tube :X
Oh I feel you! Well, worst case scenario you'll get a nice drop after 200h
thumb.gif
 
#15 ·
Quote:
Originally Posted by NubLock42 View Post

Hi guys I'm trying to overclock for the first time with an Intel i5-7600k with an MSI Z270 Gaming M3 and a Corsair H115i cooler. Any help will be appreciated while trying to overclock from the BIOS.
have you read any of the oc guides? Not going to go into specifics here.

Raise multiplier, test for stability... if stable, raise again, if not raise voltage and test again.

General multiplier overclock is pretty straight forward... just keep temperatures and voltages within the safe ranges.

There are plenty of oc help threads, read a bunch of them, they will give you the same answers that you would get here.
 
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