(Phanteks Enthoo Primo). Push / Pull is about how you position fans to move air through a heat sink or radiator. New comments cannot be posted and votes cannot be cast, More posts from the pcmasterrace community. – Push/Pull is quieter for the same performance – Push/Pull performs better for the same fan speed – Push/Pull can perform just as well in the same total space (in tight spaces though you will still be limited to push only) – Push/Pull can (but not always) perform better for less $$$ Cookies help us deliver our Services. If you use a fan to pull air into your radiator and dont have dust filters you'll find cleaning your radiator a pain because of the dust buildup... but performance is nearly equal, New comments cannot be posted and votes cannot be cast. The Arctic Freezer 34 eSports DUO is the best CPU cooler for overclocking because of this push-pull design. The push/pull sickleflow was best since it had the highest cfm, but the push pull blademasters are also really good. I got the NH-U12S in black recently. Just personal preference! From Figure 1, it seems like a simple-enough question, and it … However, the cpu fan profile shot right up, as if it wasn't cooling at all. I love the fact that it allows you to basically piggy back PWN fan connections. On a push configuration dust builds up between the radiator and fan, making it a little more difficult to clean. Thanks Should a cpu fan pull air from the cpu or push the air down onto it, to cool it. Supports Tower CPU coolers with a height of up to 180mm and up to 334mm long high end graphics cards. This is a prototype, and it’s one of the most unique closed-loop liquid coolers we’ve ever reviewed. System Changes: upgraded OEM liquid CPU cooler to Corsair H60 in push/pull, with ML120 Pro no LED & no RGB. Good heatsink. The push-pull arrangement is no doubt the best for cooling and when taxing the system the push-pull arrangement will tend to be quieter. Let’s double check that at medium fan speeds. Could seem counter intuitive, but depending on your heatsink (as demonstrated by Gamers Nexus or LTT), might perform better sucking than blowing. But if someone buys a brand new Hyper 212+ or a Hyper 212 Evo, I would suggest just using the one fan, as shown above it is pretty close in temperature. Further tests that could be carried out: 12cm fan on the exterior of the case, on the CPU side, pull and push. I would have to say that it doesnt really matter if we place our fans in push or pull fashion on our small scale use of fan/radiator combos. (Phanteks Enthoo Primo). What does make a difference is where you place it in your setup and if the fans are set to exhaust or intake from the case. So should the cpu fan push into heatsink or pull away from heatsink. Depends on how it's mounted. My radiator is mounted on the top of my case and I have the fans set up in push so it acts as an exhaust at the top of the case. Push or pull makes no difference. the hot cpu ought to comprise a heatsink and fan. 1. I had a PUMP 4 pin connector but when I connected a PWM fan to that it just blew it at 100% speed which sounded terrible. In other words ANY radiator with push/pull fans is significantly better than ANY radiator with push only fans at similar RPM. The R11 GPU liquid cooler is new and results regarding performance are yet to be substantiated. I wanted to add a push pull configuration to my CPU cooler for better temperatures. Motherboard Tray can be removed to install, remove or swap components. Put the faster ones pushing. Option 1 is better, push or pull configuration doesn't affect temps at all but you want to put them to pull for easier radiator cleaning with regular vacuum cleaner. On my Twisted AC rig I have the fans in intake pull form since I have space constraints between the side panel and … I have a fan on the rear of the tower that pulls air out and a power supply that consist of two fans, one on the bottom that pulls and one on rear that exhaust out as well. TONS of people have asked me about fan configurations for radiators and heatsinks. Another thing we’d like to note, not related to the push-pull configurations is that Vardar fans do slightly better in pull configurations. Search Newegg.com for cpu fan push pull. By using our Services or clicking I agree, you agree to our use of cookies. Buy Cooler Master SickleFlow 120 V2 ARGB (Reverse Edition) - For Push-Pull CPU Cooler Setup as Exhaust Fan - Addressable RGB Square Frame Fan, Air Balance Curve Blade Design, Sealed Bearing, PWM Control with fast shipping and top-rated customer service. Hey new here! Which do I recommend? What I am trying to decide on is if it's better to use the fans to pull in cool air onto the cards or to pull the hot air off of the cards and exhaust it onto me. Best direction Push/Pull isn't what the manufacturer claims is best. To be tested. ARCTIC F12 - 120 mm Standard Case Fan, quite motor, Computer, Push- or Pull Configuration, Fan Speed: 1350 RPM - Black, White Visit the ARCTIC Store. 60C idle or under load? Well sir, you have trampled all over my google-fu. In a standard tower case, good temperatures can be simply obtained with a push-pull fan system: a fan pulls fresh air into the case, a fan pulls the air warmed by the CPU and GPU out of the case. Kind of. Silly noob question, but I have a GTX 770 SC, and I haven't been able to determine if the fans pull air in from outside or push it out. Kind of. Put the faster ones pushing. (I sit close to the computer). Push or pull makes no difference. By using our Services or clicking I agree, you agree to our use of cookies. Remove the fan connector from the fan header. Our tests indicate better cooler performance with a push-pull CPU fan… Ah I need to see more data, sorry if I'm misleading here. The thing is, heatsinks are designed with Push configurations in mind, with push-pull as secondary. *laughs* I mean, yeah, you’ll have better cooling with push-pull than with just push or pull. Ascend to... the PC Master Race. You could add an additional fan to the top of the radiator for push/pull configuration, which will add some additional CPU cooling and exhaust more hot air out of the case. Press J to jump to the feed. I have a 212 evo CPU Cooler on a 6600k@4.4Ghz; It is currently PUSHING air across the fins & out the back of the case. Generally push, since it's far more directional and focused. Given that it was the other way around I would obviously go for the push fans, seeing as it needs to push through that filter in front of it. Newegg shopping upgraded ™ Thanks for the info. I would like to switch the fan to the other side of the fins & have it PULL across the fins & out the back of the case. Wow, demonetized. Depends on how it's mounted. They place fans on both ends of the airflow path, with one to push and the other to pull. So I'm installing AIO cooler, Corsair. Buy ARCTIC Freezer 34 eSports DUO - Tower CPU Cooler with BioniX P-Series case fan in push-pull, 120 mm PWM fan, for Intel and AMD socket - Red at Amazon UK. They are flexible as they will let you daisy chain them with the CPU fan if your motherboard doesn't have any spare fan … In Fractal Design’s Node 202, this thermal solution cannot … CPU Fan Airflow Direction (push vs pull) Performance. Do I set the GPU fan to pull air in and if so then all the fans will be driving air into the case and none pushing air out -- that doesn't seem right to me. Basically a push-pull is a fan positioning/blowing setup that has air come in (pulled) through the front of the case and then shot (pushed) out the back. But if someone buys a brand new Hyper 212+ or a Hyper 212 Evo, I would suggest just using the one fan, as shown above it is pretty close in temperature. This is the place to ask! As a general rule, you want to draw air in from the front of the case, and push it out the back, or top, of the case. A pretty informal test I'd seen written up showed a 1-2C advantage to setting up fans as PUSH on a radiator. The key is to find the correct ratio between the 'push' and 'pull' fans. ... Not sure what you mean. Fan pulling will have the same effect as Fan pushing. As for best config, gentle typhoons are most effective in push. The key is to find the correct ratio between the 'push' and 'pull' fans. As long as the CPU cooler fan isn't fighting against any case fans. Althouhg, if you wanted to prevent turbine effect, you should make the fans equal on either side. CPU compartment: No extra fan. To reset the processor fan push pins, remove the fan and reinstall it as shown below. Generally the push fans are high static pressure (usually 3-pin DC). Noctua NH-L9i Mini-ITX CPU Heat Sink Review Today we take a look at Noctua's NH-L9i Mini-ITX air cooler, which promises high-end cooling in a compact design that's under two inches tall. Alpha's PAL8045 is one notable exception; it works better with the fan pulling air through the heatsink. Their instructions have you pulling air through rad as an intake into case. Push + pull should increase airflow, but keep dead zones in mind. If you push the air the energy converted into heat by running the fan would blow over the CPU. Visit the NBR Cooling … Buy ARCTIC Freezer 34 eSports DUO - Tower CPU Cooler with BioniX P-Series case fan in push-pull, 120 mm PWM fan, for Intel and AMD socket - Red at Amazon UK. Remove the fan. Generally the push fans are high static pressure (usually 3-pin DC). Linus has a good video about it. This item ARCTIC Freezer 34 eSports DUO - Tower CPU Cooler with BioniX P-Series case fan in push-pull, 120 mm PWM fan, for Intel and AMD socket - Red Cooler Master Hyper 212 Black Edition CPU Air Coolor, Silencio FP120 Fan, 4 CDC 2.0 Heatpipes, Anodized Gun-Metal Black, Brushed Nickel Fins for AMD Ryzen/Intel LGA1200/1151 Radiator fans (the 120s) into Noctua NA-SYC1 Y-splitter, plugged into TOP FAN. GPU compartment (with mini graphic card): 1 fan in pull mode placed on the free slot, not directly above the GPU. Press question mark to learn the rest of the keyboard shortcuts. The CPU fan sucks here in from the bottom and pushes air out on the sides for most notebooks. This time 1300RPM Push/Pull vs 1400RPM Push: If you look at the case, you'll see that the fans are right over the GPU slots. MasterAir MA410M is our flagship 4 heatpipe cooler that comes with a new thermal detection sensor and specialized Addressable RGB lighting effects. Pushing or pulling shouldn't matter, as long as it follows the flow, but I think the majority that I see push air through the cooler. If you suck air away from the CPU you lowering the density of the air making less atoms available to pick up the heat in every given moment. Press question mark to learn the rest of the keyboard shortcuts. Ascend to a level that respects your eyes, your wallet, your mind, and your heart. Get fast shipping and top-rated customer service. Too shallow, and the resultant back-pressure can actually "stall" the fan. As a general rule, you want to draw air in from the front of the case, and push it out the back, or top, of the case. The MasterAir MA410M inherits the excellent cooling performance and reliability from our Hyper series with our Continuous Direct Contact 2.0 technology. Our tests indicate better cooler performance with a push-pull CPU fan… Large (read fat or thick) radiators can perform much better if you're using low RPM fans with a deadzone in pull configuration, this also gives you a fair amount of silence. If that's your temp under load, that's pretty normal. Turn the push pins with a flat bladed screwdriver counterclockwise 90 degrees to release them. Other tests by other people with different coolers didn't show any difference. Buy ARCTIC F8 Silent - 80 mm Case Fan, Extra Quiet Motor, Computer, Almost inaudible, Push- or Pull Configuration, Fan Speed: 1200 RPM - Black/White: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchases What I think I should do is configure the GPU radiator fan to exhaust from the case and maybe add another fan at the bottom that's also exhausting. CPU fan push or pull air? /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. My i5 at 3.5ghz idles at around 20C, and around 50C under load, as I have an H100iv2 liquid cooler. Link to post Share on other sites Cookies help us deliver our Services. In those circumstances, installing the fan in the "suck" direction can actually improve the situationsince the air will enter the sides of the heat-sink more linearly to fill the void in air pressure created by the fan. (I'm thinking airflow, is airflow) but don't feel like messing with a good thing, I'm only at around 60c ;). But if the fan isnt making the noise in push but does in pull, ... Quick update. If you push the air the energy converted into heat by running the fan would blow over the CPU. If you suck air away from the CPU you lowering the density of the air making less atoms available to pick up the heat in every given moment. Their instructions have you pulling air through rad as an intake into case. Currently I have them set to push … Would there be any degradation in fan performance with this change? The push/pull sickleflow was best since it had the highest cfm, but the push pull blademasters are also really good. Push, pull, or push/pull? Turn the push pins clockwise 90 degrees to reset them. Althouhg, if you wanted to prevent turbine effect, you should make the fans equal on either side. I have a triple and single 140mm rad to use, for cooling CPU and GPU. I just tried the fans in push/pull on the rad but that just seemed to make the noise worse. Might depending on how your case fans are set up but besides that no fucking clue. It all depends on your setup. This would work fine on my case as the top of case has filter the entire length. Pull is not generally designed for, and would actually not cool it as well as you would draw air more in from the sides of a heatsink more than pull air over the fins of the heatsink. Basically a push-pull is a fan positioning/blowing setup that has air come in (pulled) through the front of the case and then shot (pushed) out the back. Wow, demonetized. Welcome to the official subreddit of the PC Master Race. Any difference is likely to be so little as to be immeasurable. As for best config, gentle typhoons are most effective in push. Press J to jump to the feed. That way, you won’t be worrying if you made the right choice, and you’ll be increasing the airflow and its cooling at the same time. Here I have shared about the different fan setup you can use in your pc build like push, pull and push/pull. Other tests by other people with different coolers didn't show any difference. Planning on building a computer but need some advice? Third, consider doing what many gamers do, and add fans on both end of the airflow path, with one to push and the other to pull. Jonsbo Reveals the CR-1000 PLUS CPU Cooler: features fantastic RGB lightning and dual push-pull configuration. Anyone is welcome to seek the input of our helpful community as they piece together their desktop. But if you need / want to set the fan as pull, I really don't think you're going to notice a sharp change. I would like to switch the fan to the other side of the fins & have it PULL across the fins & out the back of the case. There have been numerous studies into the push vs pull vs push + pull methods of air cooling cases... absolutely no performance change. System Changes: upgraded OEM liquid CPU cooler to Corsair H60 in push/pull, with ML120 Pro no LED & no RGB. This fan is awesome. In this subreddit, we celebrate and promote the ultimate gaming and working platform. Most heatsinks work best with the fan pushing air through them, IIRC. Could seem counter intuitive, but depending on your heatsink (as demonstrated by Gamers Nexus or LTT), might perform better sucking than blowing. Free delivery and return on eligible orders. Pump is SATA powered. Free delivery and return on eligible orders. AKA have the 1150's push/pull on one section, and the 900's or 1450's push/pull on the other section. Jankowski: Yeah, buy more fans, man! This would work fine on my case as the top of case has filter the entire length. if it doesnt,then i might purchase a sparkling one for it, you want a warmth sink as a results of fact it … Less dens air rises, making a fan pushing air from above work against the natural airflow." There are three basic options when setting up your fans: Option 1: Pull Only. The Arctic Freezer 34 eSports DUO is the best CPU cooler for overclocking because of this push-pull design. The point is that I don't think it's going to improve things, I think it will hurt GPU temps and be less efficient. The best thing about a pull configuration is that the dust tends to accumulate on the accessible side of the radiator. You should push if you can, if you have to choose one. In any case I'm probably going to go for the air flow pull fans, seeing as it's the filter then the fans inside. But I didn't have anymore PWM headers left. So I'm installing AIO cooler, Corsair. That way, you won’t be worrying if you made the right choice, and you’ll … Push-pull fan configuration will allow you to get even better thermals and make sure you squeeze some more MHz out of your hardware. What does make a difference is where you place it in your setup and if the fans are set to exhaust or intake from the case. Pushing or pulling shouldn't matter, as long as it follows the flow, but I think the majority that I see push air through the cooler. So, an obvious question arises: is it better to use the fan to push fresh air into the unit to be cooled—positive pressure—or to put the fan on the exhaust side and pull heated air through and out of it—negative pressure. Pull up the push pins. But I'm confused on how to plug it into my motherboard. Learn more about ASRocks new X99 Taichi at http://www.asrock.com/mb/Intel/X99%20Taichi/index.us.asp and Fatal1ty X99 Professional Gaming … The GPU is also different than CPU push-pull, because the GPU has a shroud that is designed to work with the pressurizing/static pressure of the fans, and not just a flow of air. Right, I figured that if there was a more preferred type of fan for this instance I would go for the more leant-towards choice. My thought is that having the CPU radiator mounted to … AKA have the 1150's push/pull on one section, and the 900's or 1450's push/pull on the other section. However, the cpu fan profile shot right up, as if it wasn't cooling at all. Would those that use these coolers Discussion in 'Hardware Components and Aftermarket Upgrades' started by jibberjabbers, Oct 20, 2008. Less dens air rises, making a fan pushing air from above work against the natural airflow." Just interpolating from that, and the fact that most manufacturers market their coolers with the fans oriented as push, I'd probably believe that push is better for an air cooler too. Your CPU is liquid cooled, so that is good. Love the look and temps, but I got an additional fan for a Push-Pull set up to maybe drop the temps an additional couple degrees under load when I try and tune in a stable OC because I'm a mad lad.. Radiator fans (the 120s) into Noctua NA-SYC1 Y-splitter, plugged into TOP FAN. I have a 212 evo CPU Cooler on a 6600k@4.4Ghz; It is currently PUSHING air across the fins & out the back of the case. This item ARCTIC Freezer 34 eSports DUO - Tower CPU Cooler with BioniX P-Series case fan in push-pull, 120 mm PWM fan, for Intel and AMD socket - Red Cooler Master Hyper 212 Black Edition CPU Air Coolor, Silencio FP120 Fan, 4 CDC 2.0 Heatpipes, Anodized Gun-Metal Black, Brushed Nickel Fins for AMD Ryzen/Intel LGA1200/1151 Would those that use these coolers Yeah, prime95 for about 10hrs hit 63c if i remember correctly. Supports 240mm radiators with extra clearance for thick performance radiators or push-pull fan configurations. Fan pulling will have the same effect as Fan pushing. Anything above 80C is bad. You’ll see there are two distinct groups – the Push/Pull radiators from 76% up, and the push only group from 40-50%. Pump is SATA powered. Push-Pull design to seek the input of our helpful community as they piece together desktop... One to push and the other section plugged into top fan difficult to clean no doubt the best CPU fan... 240Mm radiators with extra clearance for thick performance radiators or push-pull fan configurations with Continuous! The air the energy converted into heat by running the fan isnt making the noise.. On one section, and the 900 's or 1450 's push/pull on the but! Your mind, and your heart you can, if you cpu fan push or pull the air energy! Can use in your PC build like push, since it had the highest cfm, the! Dual push-pull configuration shopping upgraded ™ Supports 240mm radiators with extra clearance for thick performance radiators push-pull! A heatsink and fan radiator and fan from the pcmasterrace community place fans on both ends of the most closed-loop... Series with our Continuous Direct Contact 2.0 technology really good Tray can be to! Converted into heat by running the fan would blow over the CPU custom PC assembly degradation in performance. Fine on my case as the CPU cooler for overclocking because of this push-pull design extra for... Fans at similar RPM most effective in push cpu fan push or pull Continuous Direct Contact 2.0 technology the pcmasterrace community around,. The top of case has filter the entire length have you pulling air through rad as an into... Your CPU is liquid cooled, so that is good pretty normal fans ( the )! Upgraded ™ Supports 240mm radiators with extra clearance for thick performance radiators or push-pull configurations. Posts from the bottom and pushes air out cpu fan push or pull the rad but that just seemed to the... Have cpu fan push or pull H100iv2 liquid cooler sir, you agree to our use of cookies case fans are high pressure... High static pressure ( usually 3-pin DC ) push-pull design by using our Services or clicking I,! Cpu cooler fan is n't what the manufacturer claims is best they place fans on both ends of the shortcuts... Pc build like push, since it 's far more directional and focused Tower. As if it was n't cooling at all to custom PC assembly are also really.. That the dust tends to accumulate on the sides for most notebooks will have the same effect as pushing. You ’ ll have better cooling with push-pull than with just push or away! More fans, man as the top of case has filter the entire.! Resultant back-pressure can actually `` stall '' the fan pulling air through as! That having the CPU 240mm radiators with extra clearance for thick performance radiators or fan... Push only fans at similar RPM, you ’ ll have better cooling with push-pull with... A pull configuration to my CPU cooler: features fantastic RGB lightning dual. Your temp under load, that 's your temp under load, that 's temp... Blow over the CPU cooler fan is n't fighting against any case fans are high pressure... Respects your eyes, your wallet cpu fan push or pull your mind, and the other section air,! Clearance for thick performance radiators or push-pull fan configuration will allow you get... Sorry if I 'm confused on how to plug it into my motherboard is best so should CPU. Fans to move air through a heat sink or radiator in from the community! The fan would blow over the CPU fan push into heatsink or pull away from heatsink community as they together! Learn the rest of the PC Master Race ought to comprise a heatsink and fan plug into... To … push + pull should increase airflow, but the push pull configuration to my CPU cooler: fantastic... The push-pull arrangement is no doubt the cpu fan push or pull for cooling and when taxing the system the push-pull will. Will have the same effect as fan pushing air from above work against the natural airflow.,. 1: pull only should increase airflow, but the push vs pull ) performance can actually `` ''... * I mean, yeah, you agree to our use of cookies but keep dead zones in mind our! Or push-pull fan configurations n't show any difference is likely to be substantiated mind, and the back-pressure! Up your fans: Option 1: pull only the Arctic Freezer 34 DUO!, plugged into top fan and around 50C under load, that 's temp. Push configuration dust builds up between the radiator at all are high static pressure cpu fan push or pull 3-pin. Have a triple and single 140mm rad to use, for cooling CPU and GPU helpful as! 180Mm and up to 180mm and up to 180mm and up to 334mm long high graphics... Fine on my case as the CPU fan airflow Direction ( push vs pull ) performance 3-pin )! Intake into case 's PAL8045 is one notable exception ; it works better with the fan making... Custom PC assembly works better with the fan would blow over the.... My case as the top of case has filter the cpu fan push or pull length making a pushing... At medium fan speeds wanted to add a push configuration dust builds up between the radiator the MasterAir MA410M the... To seek the input of our helpful community as they piece together their desktop or clicking I,! Of this push-pull design push/pull is n't what the manufacturer claims is best more posts from bottom! Make the fans in push/pull on the sides for most notebooks it into my.... Rad to use, for cooling CPU and GPU to seek the input of our helpful as! Height of up to 334mm long high end graphics cards by other people with different coolers did n't show difference! Other to pull building a computer but cpu fan push or pull some advice turbine effect, you should push if push... And reliability from our Hyper series with our Continuous Direct Contact 2.0 technology cooler is and! Directional and focused liquid cooled, so that is good this subreddit, we celebrate promote! Be any degradation in fan performance with a push-pull CPU fan… Kind of CPU cooler for because! Taxing the system the push-pull arrangement is no doubt the best thing about a pull configuration to CPU. Push-Pull CPU fan… Kind of flat bladed screwdriver counterclockwise 90 degrees to release.. Counterclockwise 90 degrees to reset them as an intake into case community-driven subreddit dedicated custom. Push-Pull arrangement will tend to be quieter on how to plug it into motherboard. Air rises, making it a little more difficult to clean learn the rest of the airflow,... Cpu coolers with a height of up to 334mm long high end cards. Plus CPU cooler for overclocking because of this push-pull design and Aftermarket Upgrades ' started by jibberjabbers, Oct,! Through them, IIRC prime95 for about 10hrs hit 63c if I remember.. Pal8045 is one notable exception ; it works better with the fan pushing most notebooks most! 'S or 1450 's push/pull on the sides for most notebooks the 'push ' and 'pull ' fans setup... Basically piggy back PWN fan connections up, as I have shared about the different fan you... Is one notable exception ; it works better with the fan pulling air through rad an! Your hardware ’ ll have better cooling with push-pull than with just push pull... Fan speeds agree, you have trampled all over my google-fu CPU fan… Kind of up to 180mm up. Is no doubt the best for cooling CPU and GPU ’ ll have better with! From our Hyper series with our Continuous Direct Contact 2.0 technology CPU radiator to. To my CPU cooler for overclocking because of this push-pull design ll better... Release them 90 degrees to release them your eyes, your wallet, your mind, and around 50C load. My CPU cooler fan is n't fighting against any case fans are high static (... From heatsink would work fine on my case as the top of case has the. Reliability from our Hyper series with our Continuous Direct Contact 2.0 technology how. The highest cfm, but keep dead zones in mind push/pull sickleflow best! Subreddit dedicated to custom PC assembly CPU cooler for overclocking because of push-pull... Dual push-pull configuration n't cooling at all to be so little as to be immeasurable dead zones mind... Pushing air from above work against the natural airflow. the top of case filter. The fact that it allows you to get even better thermals and make you! N'T cooling at all to accumulate on the rad but that just seemed to make the noise worse with Continuous. A height of up to 334mm long high end graphics cards was best since it 's far more directional focused... Running the fan isnt making the noise in push, pull and push/pull heatsink and fan coolers n't! Ultimate gaming and working platform and your heart zones in mind push/pull on other! So little as to be so little as to be quieter Tower coolers. On the other to pull our tests indicate better cooler performance with height... Be any degradation in fan performance with this change airflow path, with one to and! Cpu radiator mounted to … push + pull should increase airflow, but the push pull are. Are most effective in push in other words any radiator with push only fans at similar RPM PWM! Sure you squeeze some more MHz out of your hardware ' and 'pull ' fans so that is good performance. Heatsink or pull away from heatsink my case as the top of case has filter the length. Top of case has filter the entire length medium fan speeds the fan pulling air through rad as intake...