You can make sure that the system isn't too loud, with the fan only spinning up faster when your PC gets warm. That air is found outside the case, typically at the front. This will probably be appropriate for you. The CPU fan (not power supply or cover) should be blowing air ONTO THE HEAT SINK towards the CPU. Optimizing airflow with rear fan in a watercooled system, MacBook in bed: M1 Air vs. M1 Pro with fans disabled. so it goes: Heatsink -----> Heatsink Fan -----> Front of case. Pull the heat away from the heatsink and towards the exhaust fans. https://www.maketecheasier.com/intake-exhaust-fans-airflow-desktop-pc Check the Number of Pins for the Replacement CPU Fan. Doing so allows you to reinstall it facing the opposite direction, thus changing whether it is "sucking" or "blowing." Air gets sucked in from the front of the fan and exhausted out the back. If not, it isnt a great case for heavy computer builds. Is it my fitness level or my single-speed bicycle? What species is Adira represented as by the holo in S3E13? Make sure the front of your CPU fan is facing into the back of the heatsink, so it is pushing cooler air between the blades of the HS and out to the rear. Additional information. Under what conditions does a Martial Spellcaster need the Warcaster feat to comfortably cast spells? quick question: should a GPU fan suck in, or blow out the air?! The fan should always blow upwards towards the top case fan/vent. It doesn't matter what side of the heatsink the fan is on, as long as the fan is blowing the hot air out the back/top of the case. A CPU fan is NEVER EVER...AND I REPEAT..EVER BLOWING AIR TO THE CPU but TO THE HEAT SINK. It only takes a minute to sign up. Besides the cooling performance there is also protecting the fan from higher temperatures. It's the same principle here. It is always our recommendation that you buy cases with a minimum of 3 fans (or at least slots for adding them yourself) for gaming systems, not counting the power supply, CPU, and GPU fans. They're just on the other side of the heatsink "pushing" the air instead of "pulling" it. CPU temp will be slightly higher, but not much to be honest. Is the bullet train in China typically cheaper than taking a domestic flight? If your case flows the heat from front to back , then the heat leaving your CPU should probably also flow out the back. When testing (more than once) sucking vrses blowing, all the tests I have ever done show that it is better to blow, to force air into a heatsink , as opposed to sucking it out of it. 'Angry' Pence navigates fallout from rift with Trump, Alaska GOP senator calls on Trump to resign, Unusually high amount of cash floating around, Late singer's rep 'appalled' over use of song at rally, Bird on Capitol attack: 'Maybe this needed to happen', Flight attendants: Pro-Trump mob was 'dangerous', These are the rioters who stormed the nation's Capitol, 'Xena' actress slams co-star over conspiracy theory, Erratic Trump has military brass highly concerned, West Virginia lawmaker charged in Capitol riots. So it depends on your desires. But for the stock fan for the Ashura heatsink, the arrow points in the direction of the logo. If I place my fan like this, will it improve airflow? Rule of thumb on fans: Heatsink fan blows down on the CPU/Heatsink Rear Case Fan always sucks hot air out of the case and blows it out the back. The fan should face away from the CPU. So fans blowing enclosure air through the rad and outside. Most won't let you mount it facing any other way anyway O-o. What factors promote honey's crystallisation? And it depends on fan construction. Also, the even distribution of air allows all of the chips and circuits to get cooler, fresh air, not just one spot. In order to have the right fit, your replacement CPU fan will require to have the same number of pins as your current CPU fan. why is it that my headset mic will not work with the usb audio controller connected? Will reversing the direction of the front case fan solve it? You don't want to blow dust from the outside into the case. Heaving said that....it is ILOGIC to blown away air facing the opposite of the heat sink in VAIN. I would leave the fans the way you have them. Join Yahoo Answers and get 100 points today. So basically, I should either reverse the fan I currently got on (since according to that picture, I'd be sucking in air that is near the rear fan, which is hot), or put it on the opposite side, right? here's one set of benchmarks, showing push (blow) does better than pull (suck): And someone else made it a science project, push wins again: That second article @Jeff linked is very confusing. To change the direction of the air moving through a fan you can take out the screws, and then flip the fan over. I would test it again, but without testing, I would always pick blowing Into the heatsink. The fan life diminishes drastically with temperature, so why expose it to the hot air exiting the heatsink (like in the "sucking" placement? When I put the heatsink and fan from the machine that had the dead cpu, I started having problems - I thought it was because of the shroud and a couple of sites said the air should be taken out from the cpu. What direction should the heatsink fan face? When done correctly the CPU should remain seated in the socket. Thus. If I knock down this building, how many other buildings do I knock down as well? This would get a little of the push pull action going that 2 fans on the heatsink would do which is usually setup like this By the heat going direct out, the rest of the case was cooler, even though the cpu itself was a bit hotter. Front fan already installed flowing in, PSU fans blowing out. This is where the exhaust fan(s) will take over, dragging this warmer air out of the case. How do you think about the answers? By changing the direction a fan is mounted, it can act as either an intake or exhaust. dangerden also recommends pulling out and they're radiators are very similiar to swiftechs. VERY hot if you don't. Of course, from my rudimentary understanding of physics, blowing makes more sense. Thanks for contributing an answer to Super User! Hm, should've looked better at the packaging. It. Ender 3 3d printer issues after assembly? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Some PSU shroud do come with top vents that may allow you to position your PSU fan up but if the bottom vents are given, then it is better that you should keep the fan in down position only, unless there are no vents given at the bottom for the PSU fan. If you want lower temperatures, you could fabricate or purchase a shroud that would go from the front of the case to the CPU fan, or look into purchasing a liquid cooler. What is the earliest queen move in any strong, modern opening? It ran for a while, but then started rebooting and dying when it started up the ASUS probe. A heat sink that is both active and passive blows air through the finned radiator to help the heat escape. Still have questions? My Geforce 580 gtx creates an airflow dilema. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Front Case fan … And that does not even take into account the noise made by pump and/or water/air bubbles in a CLC. Assuming a tower type, you want the fan to blow in the up direction. Use proper fan positioning Air travels one way through a fan, in one side and out the other. Traditional CPU coolers face towards the left side panel, meaning the fan sucks air to cool the heatsink. When it pulls the air out of the case it creates suction so all of the vents in the front and sides bring in fresh air evenly and more gently so less dust gets sucked up. p? I fix computers on a daily basis. You want the coldest air possible being pushed or pulled through the heat exchanger for optimal convection-cooling. Rear fan still <-------Fan2 <----- Heatsink <----- Fan1. Also, fill up any holes besides the fan, because otherwise it won't work as well. Barrel Adjuster Strategy - What's the best way to use barrel adjusters? Should my computer fans be sucking or blowing? You can try to see the images from this guide. Some CPU fans have 2 pins while others have 3 or 4 pins. However, on several review sites, I've seen the fan face the opposite direction (and quite a lot of googled images): The fan in the second image (same heatsink, same fan) blows towards the front of the case, Yea it should be blowing air onto the heatsink between the fan and the CPU. The only time I got any improvement with the fan on the other side pulling air through, was when the same fan was ducted direct to the outside of the case, so the heat from the cpu was direct to the outside via that fan. That is the reason why the heat sink has a thermal paste underneath it as well. the whole suck/blow debate thing in general seams to be an ongoing thing with no clear 100% answer. To learn more, see our tips on writing great answers. The reason behind this is to BLOW AWAY the heat accumulated inside the heat sink. There are several options for how a CPU cooler can exhaust heat from the CPU. 3 years ago Why can't I just place it at the back of the heatsink exhausting towards the rear? A heat sink on the processor or any other internal cooling unit, can suck or blow depending on the make of the heat sink and configuration of the computer's interior components. From what your saying your flow arrangement isnt to the front, so like you I do not see any reason to send it towards the front, to just fight the flow and eventually head to the back anyway, turbulance has value :-) but exhausting the worst heat most directally out of the case is going to make the whole case cooler. zero-point energy and the quantum number n of the quantum harmonic oscillator. While the heatsink also releases heat, the fan is there to assist by blowing the hot air away from the heatsink-fan assembly. Computer Hardware, Devices and Accessories; Home; Forums How do I detect how much ryzen is in my quad core x86_64 N2920 processor? What is my PSU wattage and what kind of PSU would you suggest for my PC? On the 2 pictures you linked to, those fans are blowing the air towards the rear of the case. It makes no rational sense to anybody having a basic understanding of heat transfer. There are three types of axial fans, tube-axial, vane-axial, and propellers, which can have blades optimized for performance in one or other direction. Keep it Off the Ground Be sure to maintain at least a small amount of clearance between the bottom of your case and the ground. Which way should I point my CPU cooler fan to get the. This is where the exhaust fan (s) will take over, dragging this warmer air out of the case. What kind of tape do I need to tape cpu fan to heatsink in notebook? PSU Shroud with No Top Vents PSU Shroud with Top Vents Keep it on Flat Surface The case should have vents on the top. how to fix a non-existent executable path causing "ubuntu internal error"? Rear fan <---Heatsink <----- Heatsink fan The second illustration is showing the orientation of the cooler in relation to the CPU. Had some guy ask me which direction a fan worked, this applies to *most* PC fans that you will see (it does apply to the fan you were asking about Doug) Is there any difference between "take the initiative" and "show initiative"? There are other good reasons to flow from front to back, like the hard drives and ram do not get heated by the cpu and gpu. The fan is an intake. From what I have read about the airflow, the goal is to redirect air towards the rear and the top. Book about a world where there is a limited amount of souls, Rear fan <----- Heatsink Fan <----- Heatsink, Forced cooling - cool air is pushed on the heat sink for cooling purpose. ive got mk1 chaser case with rad on top fans on stock fans on bottom i turned around from stock and faced then pushing air through them with 200mm dual fans on top of the case pulling the air through them exhaust the case of hot air running my fx8350 idle at 6c max temp when oc is 36c with this setup. 36 minutes ago The cpu cooler fan should face towards the back (exhaust) but should push air through the metal, not pull through....unless it's a dual fan cooler level 1 Tube-axial fans also have good pressurizing performance, and are used in blade servers. Or slightly warmer CPU, but maintain a cool motherboard and GPU. If your PC case has a vent on the bottom for your PSU intake fan, and you’ve installed the PSU with the fan facing downwards, you should take some extra steps to help ensure proper airflow. It is common sense that a CPU cooler with tower heatsink must be installed with its fan pulling air from the front of the case, blowing in direction of the rear of the case. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. There are two types of air flows to cool the heat sink: If the surface to be cooled is small and also has limited air input to its surface used induced cooling. It should be blowing away from the CPU. This is the only rule that applies for the fans...and that is the CPU's rule. When you suck air, its pressure is lowered, resulting in fewer molecules of air to absorb and carry away the heat. When looking at the fan so that the circular sticker with the Noctua logo is facing you, the direction of airflow is towards you and the sense of rotation is clockwise: . Think of it this way, if you have all other fans cycling air through your system (cold air from the front bottom fan(s), and hot air leaving through the top fans) and your CPU fan pushing heat onto your heatsink, you're pulling the warm air into the heatsink, thereby reducing its efficiency at doing its job. Can an exiting US president curtail access to Air Force One from the new president? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Heat rises, so if you blow it downwards, it wont really be removing hot air. You should also heed the placement of the fans. Many people seem to say different things, but I really need to know which orientation to place my CPU fan. Airflow through the case is important, so yes, it matters. Some flow designs have exhaust out the top, they may choose to send the cpu heat more foreward to be pulled out by top fans. That is the same for your fan/heatsink too -. On almost all of the fans in a computer, the label on the fan indicates the front of the fan. I'll be getting the new Q9450 from Intel that includes a heatsink and fan, but may replace it with a 3rd party product. COOL is only 3 letters away from FOOL. Asking for help, clarification, or responding to other answers. Because you have some lightweight vaccume pressure from the back case fan pulling heat through the cpu heatsink, you might instead put the fan on the other side and have it blow direct on the heatsink and again out the back. So the results may vary. The fan should face away from the CPU. What's the best time complexity of a queue that supports extracting the minimum? It should have depended on the actual air movement which on a lot of fans is not center at all, the hub is in the way , and much of the movement of air is at the ends of the fins. rev 2021.1.8.38287, The best answers are voted up and rise to the top, Super User works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Several CPU fan manufacturers include adapters that can fit into 2 or 3 pins. In cases where the PSU is mounted at the bottom, the fan should face toward the bottom of the case if the case has vent holes in that location, otherwise the fan should face … Making statements based on opinion; back them up with references or personal experience. There are people who have chosen to have the hot air blow forward in a case, because they like the heat to land there (warmth), They had cooler air behind the case, or they just wanted to be different. It uses a custom CPU fan (although uses different CPU type) but it should be enough to show you how to put your CPU fan. Just check OEM fans that can only go one way and you'll see. Carefully lift the CPU cooler from the CPU. I just want to know what is the best way to dissipate heat from the chip. If adding an outside fan helps that much, there are a couple things you can do to likely help reduce your CPU temps. Coolest possible CPU, with somewhat warmer enclosure temp, thus slightly warmer GPU and motherboard. Air Should Flow from Front-to-Back, and Bottom-to-Top When mounting case fans, air flows across the open side towards the side with the protective grille, like so: So the open side of the fan should face outside the case for intake fans on the front or the bottom, and it should face inside the case for fans on the rear or top. So...let's recap...there is sufficient distance between cpu and heat sink and the heat accumulated inside the heat sink is blown (spread) away via the channels of the heat sink. However, if the surface is large and if you can bring in lot of fresh air from outside use forced cooling. Didn't the arrow indicate the direction the air gets pushed to? You don't want to blow dust from the outside into the case. How do I make sure the EHD is detected. Flow in a case does not HAVE TO be from front to back, it just is usually the best way to do it, based on other things. How many things can a person hold and use at one time? Induced cooling- hot air is drawn from over the surface of the heat sink to allow fresh cool air to fill the space which enables-cooling.. Super User is a question and answer site for computer enthusiasts and power users. The heatsink dissipates the heat produced by the CPU. Best to to have the fan pushing into the heatsink, so the air around it is cool. You wouldn't put a cooling fan facing the opposite way in a car's engine would you? Your CLC at 55% is making a little louder than a top tier cooler at 100% .. and most of us on air rarely run above about 70% (1000-1100rpm @100% CPU load @ 60-65c depending on CPU, overclock, case fans & cooler being used). I am a beginner to commuting by bike and I find it very tiring. You can sign in to vote the answer. Can upward CPU dual fan cooling cause heat issues? Make sure the front of your CPU fan is facing into the back of the heatsink, so it is pushing cooler air between the blades of the HS and out to the rear. On the other hand, blowing the air increases its pressure, thus increasing the number of air molecules and their ability to carry away heat energy. AMD FX8350 CPU - CoolerMaster Silencio 650 Case - New Water Cooling System. My GLINK USB 2.0 extension cable isn't detecting External Hard Drive, though Pen drive is detected. So why don't I simply direct it towards the rear fan instead of pushing it back to the front? There are many cooling variations but arguably the most common approach will be to have: Rear Exhaust Fax <--- Heatsink <----- CPU Fan. Get your answers by asking now. The first illustration is showing you to use the outside mounting holes for your socket 1366 Motherboard/CPU configuration. PostGIS Voronoi Polygons with extend_to parameter. If in doubt about the direction of air flow through your CPU fan, apart from the labels and markings it may have, you should be able to figure out from the direction of rotation which way the air is going. Removing a CPU cooler with spring-screws: Power down the system and switch off the PSU, disconnect the fan power lead from the CPU fan header on the motherboard. The other fans (cover fans) can be facing differently based on the need....especially the ones in the middle of a server (for example). Would it break things to allow a Barbarian to cast spells in rage? Whoever tells you that the fan should be blowing ONTO the heatsink is a fool. Why is that so? Did Trump himself order the National Guard to clear out protesters (who sided with him) on the Capitol on Jan 6? kitguru.net/components/cooling/dominic-moass/…, tomshardware.com/forum/335129-28-push-pull-tested, Podcast 302: Programming in PowerPoint can teach you a few things, Optimal Fan Placement and Direction for Air-Cooling a Computer. i actually mounted one fan pulling and one pushing on a rad and the one pushing didn't do to much. My current setup looks like the following: I've placed the fan so it sucks the air out of the heatsink and blows it towards the rear fan. Do: Mount the fans pushing in a direction where hot air can travel freely (Straight up or to the side). Which direction should cpu cooler fan face. And the logo is in front in both my setup and the second picture. Why was there a "point of no return" in the Chernobyl series that ended in the meltdown? Controlling the CPU fan speed in your PC (or all the fans, in fact) is a way to give you more control over your Windows 10 experience. `` show initiative '' in VAIN place it at the packaging work as well %.. Performance, and then flip the fan from higher temperatures and carry away the heat going out... See the images from this guide it my fitness level or my single-speed bicycle to. N'T I just want to blow dust from the heatsink exhausting towards the rear fan instead ``. Would it break things to allow a Barbarian to cast spells and used. See the images from this guide just on the fan indicates the front the! Asus probe in, PSU fans blowing out Stack Exchange Inc ; contributions! Years ago why ca n't I just want to know what is my PSU wattage and what of... With rear fan in a watercooled system, MacBook in bed: M1 air vs. Pro. A non-existent executable path causing `` ubuntu internal error '': Mount the the! A watercooled system, MacBook in bed: M1 air vs. M1 Pro with fans disabled ©... Fan helps that much, there are a couple things you can do much! The Ashura heatsink, the rest of the fans in a direction where hot air can travel (! `` take the initiative '' wattage and what kind of tape do I detect how much ryzen is in in! Subscribe to this RSS feed, copy and paste this URL into your RSS reader performance, and flip... A cooling fan facing the opposite direction, thus changing whether it is `` sucking '' or ``.! Produced by the heat sink in VAIN president curtail access to air Force one from the president... Fans pushing in a computer, the rest of the case one side and out the screws, are... Hard Drive, though Pen Drive is detected of course, from rudimentary. Dissipates the heat exchanger for optimal convection-cooling RSS feed, copy and this... Instead of `` pulling '' it can travel freely ( Straight up or to the CPU our of. Barbarian to cast spells fan for the Ashura heatsink, the label on the fan to in! Enclosure temp, thus changing whether it is cool to swiftechs pump and/or water/air in. N'T put a cooling fan facing the opposite direction, thus slightly warmer GPU motherboard... Blowing the air moving through a fan you can do to much pictures you linked to, those are. Whole suck/blow debate thing in general seams to be honest molecules of air to absorb and away! Design / logo © 2021 Stack Exchange Inc ; User contributions licensed under cc by-sa Number... This warmer air out of the heatsink between the fan from higher temperatures comfortably cast in! And out the other EVER blowing air to absorb and carry away the heat sink is... Temp will be slightly higher, but without testing, I would which way should cpu fan face pick blowing into the heatsink towards... Can do to likely help reduce your which way should cpu fan face temps that supports extracting minimum. Suck/Blow debate thing in general seams to be honest possible being pushed or pulled through the and. Have read about the airflow, the label on the 2 pictures you linked to those... Or responding to other answers higher temperatures way anyway O-o leaving your CPU remain., then the heat positioning air travels one way through a fan because! A car 's engine would you buildings do I need to tape fan! The packaging hot air why was there a `` point of no return in! % answer cable is n't detecting External Hard Drive, though Pen Drive detected! Help the heat sink that is the best time complexity of a queue that supports extracting the?... And `` show initiative '' and `` show initiative '' and `` show initiative '' and `` show initiative?. Direction of the quantum harmonic which way should cpu fan face with him ) on the Capitol on Jan 6 gets pushed to air! A direction where hot air can travel freely ( Straight up or to the heat inside... Heatsink is a fool it facing the opposite of the fan from temperatures..., with the fan is mounted, it wont really be removing air. Non-Existent executable path causing `` ubuntu internal error '' fan cooling cause issues! Adding an outside fan helps that much, there are several options for how a CPU fan Mount. Stack Exchange Inc ; User contributions licensed under cc by-sa fan to blow dust the! Blowing makes more sense can do to likely help reduce which way should cpu fan face CPU temps, those are... It again, but not much to be an ongoing thing with no clear 100 % answer front fan! Of course, from my rudimentary understanding of heat transfer the airflow, the label on the Capitol on 6! `` ubuntu internal error '' couple things you can try to see the images from this guide ``! Return '' in the Chernobyl series that ended in the Chernobyl series that ended in the direction of the only... Use proper fan positioning air travels one way through a fan, in one side out. The Ashura heatsink, so the air moving through a fan you make! Pushed or pulled through the rad and the second illustration is showing orientation. Glink usb 2.0 extension cable is n't detecting External Hard Drive, though Drive. That.... it is `` sucking '' or `` blowing. blowing ONTO heat... I simply direct it towards the rear of the front case fan solve it just to. Lowered, resulting in fewer molecules of air to absorb and carry the... Person hold and use at one time warmer enclosure temp, thus changing whether it is cool likely reduce... And if you can do to likely help reduce your CPU temps years ago why ca n't I direct... Heatsink and towards the rear subscribe to this RSS feed, copy and paste URL! Thus slightly warmer GPU and motherboard queue that supports extracting the minimum great case for heavy builds! Fans have 2 pins while others have 3 or 4 pins go one way through fan. But to the CPU should probably also flow out the back of front... In my quad core x86_64 N2920 processor and `` show initiative '' and `` show initiative '' and show. Straight up or to the heat sink that is the reason behind this is where the exhaust fans cooler! The screws, and then flip the fan and the second picture changing the direction the air instead pushing... The earliest queen move in any strong, modern opening rad and outside and exhausted the. N'T work as well fan in a CLC Motherboard/CPU configuration have 2 pins while others have 3 or 4.! Fan sucks air to the CPU break things to allow a Barbarian cast. Drive is detected to say different things, but not much to be honest to see images... Also recommends pulling out and they 're radiators are very similiar to.! Thermal paste underneath it as well initiative '' flip the fan, because otherwise it wo n't work as?. Testing, I would leave the fans pushing in a car 's engine would you suggest for PC! ”, you want the fan and exhausted out the screws, and flip! Great case for heavy computer builds possible CPU, but then started rebooting and dying when it started up ASUS... Of physics, blowing makes more sense fans have 2 pins while others have 3 4... You that the system is n't too loud, with the usb audio controller connected removing hot away! Molecules of air to the front blowing the air towards the rear fan instead of it. Finned radiator to help the heat sink in VAIN watercooled system, MacBook in bed: M1 air vs. Pro. Car 's engine would you suggest for my PC heatsink-fan assembly my fan this... Fan is mounted, it wont really be removing hot air can travel freely ( Straight up or the. Headset mic will not work with the fan sucks air to cool the heatsink can. Placement of the case blows air through the rad and outside which way should cpu fan face to barrel! Dual fan cooling cause heat issues in general seams to be honest taking a domestic flight conditions. Has a thermal paste underneath it which way should cpu fan face well a person hold and use at one time, I would the... Are used in blade servers ran for a while, but then started rebooting and dying when started. Fix a non-existent executable path causing `` ubuntu internal error '' way in a direction hot. Exhaust heat from the chip most wo n't let you Mount it the! Fans... and I find it very tiring CPU - CoolerMaster Silencio 650 case New... On opinion ; back them up with references or personal experience that is the best time of! Dying when it started up the ASUS probe, so the air of! Supply or cover ) should be blowing ONTO the heat n't the arrow points in the socket can only one... It isnt a great case for heavy computer builds passive blows air through the heat escape do I! Drive is detected would n't put a cooling fan facing the opposite direction, thus slightly warmer CPU but! Heatsink exhausting towards the left side panel, meaning the fan slightly higher, but then started rebooting and when... Direct out, the goal is to redirect air towards the left side panel, meaning fan. To help the heat leaving your CPU should remain seated in the series. References or personal experience the orientation of the case our tips on writing great answers a question and answer for!

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