tyron2000 Posted March 30, 2014 Share Posted March 30, 2014 Hey guys/gals. I have just updated my system and bought a Corsair H100i watercooler, a Corsair Carbide 540 Case, an Asus Maximus VI Hero MoBo and an intel i7 4770k processor. I fitted its all and proceeded to try and overclock to 4.5mhz. I could only get to 4.0 stable before the CPU was running over 100c. I was using poor quality TIM so went out and bought some Arctic Silver 5 TIM, at the same time I also bought 2 more Corsair SP120 fans to do a push/pull config. Now it has improved, and I can get to 4.4mhz stable. I ran Prime95 for 30 min and system was fine. The processor is hovering around low 90's in Prime95 under full load. The temp of the H100i rises to about 32-33c so not too hot. Now surely with this set up I should easily be able to achieve 4.5mhz. But under Prime95 I get BSOD after about 30 sec. Voltage on CPU is 1.25, which after doing some research should be ample, I also tried upping the voltage to 1.275, but same happens. The ambient temp in my room is only around 22c. And the design of the case means there is plenty of air flow. I have the 2 front fans as intake, 1 rear fan as an exhaust and the radiator has the 2 fans that came with the H100i and 2 Corsair SP120 fans in a push/pull config, but flowing from inside case to outside (I also tried it flowing from outside to inside and same happens, but would rather have it flowing outside the case as there is no dust filter to stop them sucking in dusk inside the case). I have installed Corsair Link, and the pump and fans are running fine according to the software. And as the H100i temp is also rising under load, it suggests it is taking heat away from the processor. So is this normal, or could there be a slight fault with the cooler? I was seriously expecting better results with this cooler? Thanks for taking time to read and answer my question! have a great day, tyron2000 :biggrin: Link to comment Share on other sites More sharing options...
wytnyt Posted March 30, 2014 Share Posted March 30, 2014 your working with a very hot cpu to begin with,the h100i isnt a hard core cooler but a replacement for high end air.,cpu's do vary while some may achieve 4.5 and others cant but the overall oc is usually peaked at 4.4. Link to comment Share on other sites More sharing options...
tyron2000 Posted March 30, 2014 Author Share Posted March 30, 2014 Thanks, seems like the H100i is oporating normally them. Even the idle temp is 38-40c... seems high, but if thats normal then I'm happy. Thanks again :biggrin: Link to comment Share on other sites More sharing options...
Latharion Posted March 30, 2014 Share Posted March 30, 2014 It sounds like you have the fans configured correctly, and your case setup should be efficient. Some things to check are the following... Is the pump backplate notch facing up (or forward) on the back of the motherboard? Believe it or not, the orientation of the backplate notch does make a huge difference in the performance of the H100i. Are the new SP120 fans 4-pin PWM fans or standard 3-pin fans? The PWM 4-pin variety will work much better with the pump and controller system. Have you checked other factors of the overclock? Some chips and some motherboards simply do not overclock as well as other. Testing some of the other OC settings may help with stability. An unstable overclock is probably the main reason why it BSODs at 30 sec on Prime95. The TIM you chose has a cure time of about 200 hours (not a typo). There are MUCH bettter thermal compounds out on the market now that have a very good cure time (usually between 2 minutes and 15 minutes, depending on brand). AS5 isn't the most efficient TIM either so some TIM research may pay off well. Your min temps are well within normal paramaters for your ambient temp. Link to comment Share on other sites More sharing options...
tyron2000 Posted March 30, 2014 Author Share Posted March 30, 2014 The new fans are 4 pin fans. The backplate notch is the right way too. The motherboard is a ROG motherboard and designed to be good for overclocking, I have tried a few different settings but to no avail. But I am happy with 4.4MHz, so will leave it as it is. I am aware of the cure time Arctic Silver 5, read about it before I bought it (But I would imagine the temp difference after 200 hours is negligible anyway. Ill just have to wait 200 hours to find out lol). I know there are better compounds out there, but there only marginally better, and as my local PC dealer (Novatech) only sell a few brands, the Arctic Silver 5 is the best they have. Anyway thanks for the advice, ill try a few more different OC setting in the coming weeks. Happy for now, so I'll leave it as is. Have a great day, tyron2000 Link to comment Share on other sites More sharing options...
dburne Posted March 30, 2014 Share Posted March 30, 2014 Hey guys/gals. So is this normal, or could there be a slight fault with the cooler? I was seriously expecting better results with this cooler? QUOTE] Sounds to me something might be amiss in your setup, either in the mounting or the cooler. First, the compound that comes already on the H100i is actually pretty good - many have reported very good results with it. I am running a 4820K processor overclocked to 4.50 Ghz, around 1.22V, my idle temps are mid 20's ( using power saving features), and my load temps with Prime 95 or LinX, stay in the low 60's. I used the stock thermal compound that came on the unit, and the two stock fans that came with it. I don't even use the Link software, just have it plugged in running at it's default profile which I believe is balanced, and it is very quiet. Link to comment Share on other sites More sharing options...
WesternDreaming Posted March 30, 2014 Share Posted March 30, 2014 hi tyron, im sticking my 2 cents in here, 1- i would like to say is that 1.25 v on a haswell is suicide for your chip 2- i wouldnt worry about your temps till u went over 105ish c that being said, ill tell u how i set up my 540 and am pleased with the case ambients ( i havent tried one more setup) my 100i is setup in a push/pull in the bottom 2x120m slots on the front with the tubes at the top, the top slot is another fan, all these are intakes, the 100i also sends air directly to my gfx card fans the top 2 and rear fans are exhausts on a fan controller with the minimal setting givng equal pressure inside the case and the top setting creating negative pressure if u look at my specs every single component of my rig is OC'd, there is alot of heat being generated, but the interior of my case is cool ,almost cold , and there is enough airflow that a dollar bill is at a 45 degree angle towards the exhaust fans when placed inside an open case cable management and a clean case is essential ofc, but maybe u can try this out and be pleased with the results u achieve im not sure this can help you, it may be a result of your OCing but since i have no details of your settings i can only guess ill come back to the thread to see any results Link to comment Share on other sites More sharing options...
x3n0n1c Posted April 4, 2014 Share Posted April 4, 2014 Hey guys/gals. I have just updated my system and bought a Corsair H100i watercooler, a Corsair Carbide 540 Case, an Asus Maximus VI Hero MoBo and an intel i7 4770k processor. I fitted its all and proceeded to try and overclock to 4.5mhz. I could only get to 4.0 stable before the CPU was running over 100c. I was using poor quality TIM so went out and bought some Arctic Silver 5 TIM, at the same time I also bought 2 more Corsair SP120 fans to do a push/pull config. Now it has improved, and I can get to 4.4mhz stable. I ran Prime95 for 30 min and system was fine. The processor is hovering around low 90's in Prime95 under full load. The temp of the H100i rises to about 32-33c so not too hot. Now surely with this set up I should easily be able to achieve 4.5mhz. But under Prime95 I get BSOD after about 30 sec. Voltage on CPU is 1.25, which after doing some research should be ample, I also tried upping the voltage to 1.275, but same happens. The ambient temp in my room is only around 22c. And the design of the case means there is plenty of air flow. I have the 2 front fans as intake, 1 rear fan as an exhaust and the radiator has the 2 fans that came with the H100i and 2 Corsair SP120 fans in a push/pull config, but flowing from inside case to outside (I also tried it flowing from outside to inside and same happens, but would rather have it flowing outside the case as there is no dust filter to stop them sucking in dusk inside the case). I have installed Corsair Link, and the pump and fans are running fine according to the software. And as the H100i temp is also rising under load, it suggests it is taking heat away from the processor. So is this normal, or could there be a slight fault with the cooler? I was seriously expecting better results with this cooler? Thanks for taking time to read and answer my question! have a great day, tyron2000 :biggrin: I have a 4770k and a Hero Vi board as well and had the exact same issue. For me, the issue was that the H100i mounting system was not able to put enough pressure on the cpu. The fix was to remove the plastic washers on the back plate studs, add a metal washer, and put the plastic washer back. This allowed the mounting system to clamp down tighter on the cpu and reduce my temperatures. You can test if this is your issue by starting a stress test, letting the temps max out, and then press firmly on the pump. If your temps go down, you know this is the issue. Hope this helps. Link to comment Share on other sites More sharing options...
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