CPU cooling montage

Venom4

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Sep 21, 2015
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Hi guys,so i had this cooler master seidon 120v purchased(second hand) and instaled on my i5 2500 because i had really high temperatures with my past EKL cooler EKL 21908(with prime95 there was time it got up to 91-95)so i was wondering i now have like 70 when i play games,but on alot of sites it says it should be lower? And now the point i want to ask is because i go to some pc guy that repair parts he instaled the cooler,but this is the first time i see seidon instaled like that,shouldnt the radiator and cooler be on the back side ? here are pics of my pc case: - http://imgur.com/a/i6FTE Is it normal to be like that ?
 

Karadjgne

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Lol, it a possible mount, but not exactly ideal. To say the 'pro' is dumb as a box of rocks would be understated. You really do not want the cooler on a removable and often accessed door like that. Every time the door is opened or removed, it stresses/moves the tubing, which puts stress on the actual fittings/welds. Repeated usage will make for loose fittings. And leaks. I'd not take it back, I'd just remount the radiator on the rear fan port or even one of the top fan ports instead. That'll minimize/eliminate tubing flex and allow full door removal or access.

70 when gaming is high. I have an i5-3570k @4.3GHz with a corsair h55 (basically the same performance range as the Seidon) that sees 70°C after 1 hour of p95 26.6. Gaming it never goes beyond 55°C, ever. Considering you have liquid cooling, so cpu temps will be related to radiator performance, I'd make a guess that your airflow in the case is somewhat bunk, which is why you get higher temps. Either that or the ambient temps by the pc are around mid 30's or higher. Might need to look into how your fans are set and how fan curves are working.
 

Venom4

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Sep 21, 2015
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Well about the door i dont really open it often,so its not that big deal,but yeah its bad when i open it if i want to clean my pc or put something in.My pc case is Vline A026 and it have space for only 1 fan which at the moment i use is this http://imgur.com/a/4lNqR Well at prime95 for some minutes i get like 84 http://imgur.com/a/JhbWV Like yeah i was like ok i have bad pc case and where i live i dont use air conditioner at home, but still i think i should get some lower temps,thats why i was wondering if the position on the cooler would affect the temperatures,but if its ok then dunno,maybe my case is really bad.
 

Karadjgne

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The case where my h55 sits is a CM 690 II Advanced, it has just a single 140mm intake and 2x 120mm exhausts, one of which is the h55 radiator. It sits under the desk on the floor so often sees slightly higher ambients from heat trapped under the desk. I'd have to say you are seeing higher temps for the same reason, lack of good airflow. My ambients run 22°C, gaming loads are 55°C and max is 70°C, so that's a 33° jump gaming and a 48° jump max. If you have higher ambients to start with, say 30°C, you'd be looking at @ 63° gaming and 78° max. Add in not-so-good airflow and 7° raised temps inside the case and you end up with 70°C gaming loads and 85°C max. Which is exactly where you are at. So your temps are about accurate as far as cooler ability goes, it's about as good as you'll get. But there are steps you can take to modify them lower, which is get some decent airflow through the case, get rid of that extra 7°C, tune your fan curves to provide more airflow, use better fans to provide that better airflow etc. Whole 7°C doesn'took like much, it has a larger impact on just how well your cooling works. Get rid of it as you can.
 

Venom4

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Sep 21, 2015
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Well my pc case is not on the floor,but actually on the desk.And ambient you mean iddle ? well on iddle i am like 43 and on long gaming sessions i go up to 73-75.I mean my point is that its funny that there are people with stock coolers that get lower temps than me and probably have some normal pc case like me.Hell even overclocked cpus have lower temps than me with simmilar cooler,and i am running at stock speed!I just cant believe that my case is at problem.
 

Karadjgne

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Ambient temps is the temp where the pc sits. It's the temp of the air that's shoved into the pc by the intake fans.

So if the ambient temp (you don't run air-conditioning) is close to 30°C, you are already 8°C higher than me, as my pc sits in 22°C ambient temps. It's physically impossible to cool a cpu below ambient temps by mechanical means (normal air or liquid coolers use heat transfer and dissipation by fans) you'd need a chemical reaction like a peltier or liquid nitrogen to go under ambient temps. But thats just intake temps. Add in the fact that your pc with bad airflow is acting like an insulated convection oven, the temps get worse. Think of it this way. You put 22 across the gpu to start. With gaming loads, the gpu gets hot, and the exhaust is closer to 50. With bad airflow, that 50 exhaust is recycled, sucked back in by the gpu, so now the exhaust is closer to 70, which gets recycled and is closer to 80, which gets recycled and tops out around 85°C in a continuous cycle. Same happens with the cpu, the radiator first sees 22,but case temps keep climbing because of circulated hot air exhaust from the gpu. So now the cpu radiator is seeing 50, then 60,and 70°C. It's no different than you sitting in a car in the middle of summer, trying to cool off, with the heater running on high. Not going to happen. Get that hot air exhaust out of the case and the gpu/cpu gets to see a lower temp to start with, constantly refreshed, not recycled.

Has nothing to do with the case, has everything to do with how the case (and you especially) affects airflow. Good airflow = constantly refreshed lower temp air. Bad airflow = constantly recycled hotter temp air.

Pull the side panel off the case, aim a small portable fan directly into the case and watch the temps drop 15-20°C.
 

Karadjgne

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To move that radiator is easy. On the outside of that panel is 4 small screws. That's all you'll nerd to remove. Just hold the radiator and fan when you do. Then turn it to face the back side, where that grill is and put those same 4 screws back on, from the outside. Done. That's 1 easy chore done.

From glimpses I could catch from the video, it looks like you have no fans installed at all. It looks like you have room in the front for at least 2x 120mm. You need those fans there. Very important. That wiring is a mess! Bundles like that get in the way of airflow, like when you stick your arm out the window of a moving car, you can close your eyes and tell exactly where the mirror is because there's a blank spot where air doesn't hit. Get those wires from the psu tidied up and stick up top where the optical bays usually go in older pc designs. The orientation of the fan on the radiator is perfect, that's push, so the radiator will act as an exhaust fan. Yes, your case is limited, but do add that floating fan to the side panel, where the radiator was before, as exhaust, blowing air out of the case. This will give you 2x intakes, 2x exhaust, which should be plenty. If that means you need to go buy 2x more fans for the front, so be it.

One thing to remember about Intel cpu's and liquid cooling. Intel cpu's have a hyperactive temp sensor, so temps bounce very quickly from low idle to 50's with little usage, easily. But thats nothing worth worrying about, it's normal cpu bahavior. Liquids take far longer to change temps, try watching a pot of water boil, the pan gets hot extremely quickly, the water takes forever to heat up. Same with liquid coolers, it takes a good half an hour run to raise the liquid temps, so any temp readings taken before that half hour is up are suspect.

Get some air flowing in that case. Cold air in, hot air out
 

Venom4

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Sep 21, 2015
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Well i have tried to add that fan on the side case,but the screws are short,you probably mean to be like this right ? - http://imgur.com/a/TGXIQ but it cant be like that because screws http://imgur.com/a/EcdG6 . Also i dont have space for front fans,here what my front is like - http://imgur.com/a/3hQ4R i think the pc case is not build for adding front fans.But i tried to add that fan in case to see and i placed it in there http://imgur.com/a/VBzY4 to see if there is gonna be temperature changes,but no changes,here is even video https://www.youtube.com/watch?v=ssGU82eofi4&feature=youtu.be
And before i put it in,the pc was working for some 5 hours.Like can the problem be in the actual montage ? here are even pics from cpu - http://imgur.com/a/tHagn
Also the wiring is at the top,it looked that way because i pulled it to connect the fan,only that small part is on the motherboard http://imgur.com/a/vT9ov
here is from the back side http://imgur.com/a/D7kFf
Like its so strange to have tried with that 3rd fan in my case and still nothing.
 

Karadjgne

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What case do you have? I've been building pc's for 30 years+ and have not ever seen a modern ATX case with no front intake fans. They stopped doing that with the old AT style cases when cpus started getting too hot for the application.

Fan screws.
 

Venom4

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Sep 21, 2015
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Well i think its V-Line A026 ,on the box its with B at the end but it dont show nothing.Yes i have this screws,but the screws that i pic are from the seidon,i mean that i cant put the seidon on top of the fan because they are too short.And did you see the cpu pictures ? is it really placed properly?
 

Karadjgne

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There was 4 screws in that side panel that attached the radiator to the panel. Just take the screws out, and mount the radiator back exactly the same, but to the grill on the very back of the case. The screws go on the outside, exactly as you took then out. All you are doing is moving the fan/radiator to a new location. That's it.
The spot you took the radiator from, mount that other fan, use fan screws, from the outside.
I've tried looking up that case, but I'm getting nowhere.
 

Karadjgne

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Ooof. Ok, from other sites with better pictures, there seems to be a bracket of some sort that fits in the lower front, I can see the mesh grill that seems to be missing from your case. I don't read Russian? but from what I can see it looks like the rear fan is supposed to be 80mm, the side fan 120mm and the front fan 120mm. I'm going to assume the side is meant for intake, front intake and the 80mm and psu as exhausts. Honestly, sorry, but that's not a well designed case. But here's the bright side. There's a ton of space on the bottom front for that radiator. You might have to get creative, but sticking the radiator on the side panel seems to have been the simplest option. If there is actual physical room for the radiator over that 80mm hole, I'd just drill 4 holes into the back of the case, surrounding that hole, and mount it there anyways. I'd also figure out a way, even if using zip-ties, to get a fan down under the front, maybe even 2x if they'll fit. Without fans of some sort being able to move air in the case, you will have high temps, no avoiding it.
 

Venom4

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Sep 21, 2015
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Ok i managed to find some case in my town,and tommorow i am gonna go get ARCTIC Silentium T11 (without the fans) and gonna try to move my pc there and put the seidon at the back and from what i see there is slot for 120mm front fan but i hope i can mount my 80mm in there. Also it says on website that its Thermodynamic and its good for even overclockers.So if i dont see changes there i might as well just throw my cpu because i dont see what other problem can be.
 

Venom4

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Sep 21, 2015
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Moved my pc to the new case - http://imgur.com/a/32W9r i even somehow tried to put the 80mm there because i dont have 120mm. Difference in cpu temperatures ? absolutely none,hell even the person that sold me the case had in his office the same cpu in some mini atx with only 1 fan at the back and stock cooler and his cpu was ice cold.The only good thing is that now i dont have to worry when i open the case because i have more room,but the front audio panel on this case is not working... Should i just sell my cpu(because it seems it cant cool) and just buy some amd because i have heard they cool better ?