Gadgetory


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Strange Airflow

2019-05-20
so a lot of you are probably used to this camera angle right here I'm going to show you what my new lens can do I'm very excited about this oops wrong way all right anyway I think it's a little too far out let's drop it like right there that way you can see that I have a desk in front of me but at the same time nothing is to work especially up top here you can see where it's super curved when I zoomed all the way out one of the downsides of this lens but it is a very nice lens fairly expensive under the most expensive lens of a robot so the wide-angle shots will definitely come in handy for Computex which is coming up here in a week it's hard to believe that we're already coming up on Comics 2019 you guys stay tuned for that coverage but for now we've got to talk about a case from NZXT and it's actually one I've already talked about in a separate video it's easy to look past certain things but an activate Windows watermark yeah not one of those things snag a verified Oh am Windows 10 key from SCD key for a little over ten bucks and enjoy a fully activated OS without the annoying compromises use offer code a studio for an 18 percent discount on your order this is the H 500 and it shares many similarities with its older brothers to the S 340 and s 340 lead to cases that I thought were excellent and game changers in the sense that they were aesthetically different and functionally different as well from most of the mid towers on the market at the time one of the reasons why I like this case so much is that it is a great value about 70 bucks for a mid Tower that's not too bad whereas you could spend a hundred easily 100 bucks hundred fifty bucks even two hundred dollars in sub mid towers and they're not gonna provide anything functionally different for the most part they might look aesthetically pleasing to the eye but I think the HDI printer looks good to some people don't like the boxy score at off.look but I think this is refreshing in this market the PCO 11 dynamic from Lee and Lee is probably still my favorite case from a functional perspective in the sense that I think it utilizes space the best of any case on the market to date but it's a hundred and twenty bucks sometimes it goes down to about a hundred dollars it's still a hundred bucks versus seven you could take that thirty to fifty bucks and you know throw it into a better graphics card or a better CPU and actually reap the benefits alright get higher frame rates in games maybe export videos faster a case for the most part is not going to restrict your frame rate by any significant amount less it's you know basically a hot box and has no access to air speaking of which that's what I'm gonna focus on again in this video the H 500 does not really look like a case that would be favorable for airflow and that's because the entire front panel is sealed off the left side of the front panel is sealed off the top is yea sealed off the bottom there's a little gap there and then on the right we have just a thin little mesh and these holes are not very big so at first glance you might think this case is indeed a hot box so the two hottest components in your system of course your graphics card and your CPU they consume the most power they you know waste the most energy and that's why they emit so much heat when they are running either at 50 percent utilization under percent utilization even at 2 or 3% when they're just idling they're still going to emit a little bit of heat because power is running through that system and a byproduct of electrical energy when it's actually doing work is heat and that is something we cannot escape thanks to the laws of thermodynamics so in this video we're going to investigate air flow properties of the H 500 why it works the way it works we're going to test different fan locations we're going to test intake versus exhaust we're going to basically try to explain why the H 500 works the way it does and why it isn't a hot box because most cases we would expect in this config would in fact be hot boxes so in 60 includes two stock 120mm fans their voltage controlled no pwm support so they're pretty cheap honestly not the quietest fans of the bunch and I would recommend replacing these if you're going for a higher end bill that was going to be fairly quiet nonetheless we're going to use the stock fans to run a baseline in 60 places these two fans and an exhaust config so we have one up top and one at the rear both pulling air from the case depending on the other components in your system this would produce a negative pressure environment inside your case and this would be bad for things like dust build-up over time unless you have some pretty hefty dust filters to keep that out writing our synthetic i-264 load our CPU reached 80 degrees Celsius in the age 500 this is the exact same system we've used in the past to benchmark the P 600 s from fantex the dark bass 700 from be quiet and the matric 70 from deep cool so you can see where the H 500 falls in line it is a better case in terms of air flow than the dark bass 700 and the matric 70 and only slightly hotter than the P 600 s which had an incredibly porous front panel thanks to that nylon mesh material by the way the front panel off scenario for the H 500 is technically the left panel off because you can't remove the front panel it's actually a part of the chassis so what I did was remove that left panel and just more or less just to check consistency right because if we had like a 5 or 10 degree CPU temperature Delta in between all of our front panel off scenario let's say the dark bass 700 had a 72 degree front panel off temperature and then the matric 70 had a 78 degree front panel off scenario that would be kind of concerning it would be very concerning because that would tell us that our testing as it can mean that maybe our room is too hot or we have an overclock in one scenario but we don't in another want everything to be again very consistent one as a few variables and play as possible so that's why I show the front panel off temps and those should be within maybe one degree Celsius of each other because they're literally pulling in air unhindered with that front panel off and when I say front panel off that also includes the dust filter if there is one so anyway I say all that to say that I believe these numbers are accurate and I would be confident telling anybody that the H 500 was a better case for cooling than the dark bass 700 and the matrix 70 but what happens if we move the stock fans from their exhaust positions to the intake positions up front that's where the experiment really starts to take hold and become fun because I have no idea what's going to happen I don't know if the temps will increase or decrease maybe pulling in air is better than exhausting air in this case it's not the same for every case but just because you see it one way here does not mean that every case follows the same I guess situation so this is not you know is don't take better than exhaust this is not that argument just for this case because every case is different I want to see if intake is even worth considering in H 500 now I have a feeling it's not and that's exactly what we see here actually I ran this test before I ran the stock exhaust config so if you're worried about the CPU being hot because I've been running other benchmarks beforehand that that's not how this works once things equalize it kind of all resets and the ambient temperature was consistent throughout I'm not gonna like my power bill at the end of the month but for science a three degree increase in CPU temps in the long run makes the H 500 a hotter case in the deep cool matric 70 and almost as hot as it'd be quiet dark bass 700 which is pretty difficult to do if I'm paying completely honest both of these cases have fairly restricted front panels again but the dark bass 700 prioritizes silence so that's kind of a byproduct of that if you're gonna seal the case off it's going to run hotter because there are less places for air to be pulled in from the atmosphere so the NZXT th 500 really has none of that going for it it's not a silent case so we're hoping for a good airflow here and if you're hoping to pull in a lot of share from an intake config it's just not gonna happen here unless you pull the air in from the top or the back which wouldn't be ideal because yeah you'll be pulling in a bunch of dust and other things that you won't want in there in the long run so now let's throw the fans back into their original positions where both our exhaust one up top and one at the rear let's put two more fans let's say I want to buy premium fans and put those up front NZXT includes a nice little fan mounting bracket up front so it would kind of be a shame to let that just sit there unused you can see in this build here I have two chrome X fans 140s from nock schewe in in that bill that's my streaming PC and I use two more of those but there were 120 fans up front in our H 500 overwatch test build so in this case there was really no change at all 80 degrees 80 degrees I let this thing run a little longer to seep temps would go up at all we did 30 degree runs here but I listened run for about 45 minutes and it still didn't go up eighty degrees was the highest it went and this is one C few times you know they they spiked and then they go back down and they spiked a little bit and they go back down never spiked above 80 degrees Celsius and that tells me that one the fans up front of useless and you're just spending money for no reason and two you're gonna make your build louder overall by the inclusion of two more moving parts two very loud moving parts under certain circumstances so don't buy extra fans for the H 500 to keep them the exhaust config that's my recommendation and I know this sounds really weird but the inclusion of a fan bracket up front is almost pointless almost because you could still put an A up front but even then I would know I would almost recommend in that case you set those fans to exhaust out the front because you're really not gonna get much air being pulled through that front panel and that side grill so unless you have an AO I would say leave that bracket completely blank yeah it looks a little weird not having anything up there especially if you have like an overwatch themed HT 500 or something of the like where you can see the LEDs shining through that little bracket there it just it doesn't look visually appealing in my opinion but it makes the most sense financially and that's why I have to advocate in this video and that ladies and gentlemen is a peculiar case of the NZXT th 500 why on earth it doesn't work this way why does adding two fans up front really not change anything and why does moving those two exhaust fans into the intake set up not you know help why does it make it worse for one there are more hole punches up top and out the rear than there are up front which means that there are more spaces effectively for that air to be pulled into the atmosphere by those exhaust fans if we place them up front in an intake config there's less space for that air to be pulled in the second reason why this is the way it is is because air has to make a 90-degree turn when it enters the Aged 500 and that is a big no-no when it comes to fluid dynamics and everything else that I can't really remember from engineering school I think I'm gonna refer to Wikipedia here so look in the long run when you have a huge piping complex right because air is a fluid liquid is a fluid so we can use them interchangeably loosely in this scenario when you have a huge complex and you have tons of turns but long lengths of pipe the pipe itself will create a lot of friction and that will affect the fluids ability to move through it efficiently so by the end of that you know piping complex the food might be exiting a lot slower than it might be entering the pipe so if it's entering at 10 meters per second it might be exiting at 5 meters per second right because of that pressure drop due to friction the pipe creates friction is also produced by turns in the pipe so if the pipe has a bunch of 90 degree fittings and you know that fluid has to turn every which way before it exits that is also going to slow down with a fluid think of me eh 500 like one big 90 degree fitting and think of air like the water in our example when that air has to turn 90 degrees sharply be pulled in through the intake fans and finally into the case it has lost a lot of that punch that it had when it first got pulled in through those hole punch grills and because it no longer moves as quickly the intake fans themselves become inefficient and almost redundant to the point where there's no sense and even placing them up there to begin with because temperatures overall didn't change which tells us that air being pulled in was nothing really to squawk after one there wasn't much air being pulled in because it was so restrictive front and four to ninety degree turn slows the air by the time it enters the case which means less of it over time is entering the case and is being pulled in through the front panel which again means the fans are in a fish and redundant so don't put them up there again AO is a different story but I do want emphasize that if you just have fans up there like I do it should only be for looks and I have like a ton of these chrome expands I just put two up there cuz I thought it looked cool just look a little weird having a blank spot there I get it right I get it but don't spend 40 or 50 bucks on premium fans especially if they're like the silent static pressure kind like there's there's no point for the h-drive hundred other cases yeah sure but if you're buying the H 500 if you're dead set on that case there's a good reason why you shouldn't actually there a few reasons why the exhaust config is significantly more efficient because those hole punches are right over the fans and there are more of those hole punches in the exhaust places and also the intake and fee while it is restricted from the hole punches also has to turn 90 degrees and that just it creates too much turbulence it creates friction and it ultimately reduces that punch that the air has when it finally enters the case and cools your components you guys like this one let me know by giving this one a thumbs up I appreciate it I want to show you guys this build one more time because I really enjoy building in the H 500 and this is like my think my third or fourth building here and this is the overwatch addition again it's more expensive I think it's like twice as expensive for the stock H 500 if you're a huge overwatch fan and by all means spend the extra money but I imagine NZXT expects most of you to buy the stock h 500 so that's what i would recommend and again it's coming in at a great price I always enjoy building in this case and I think this bill in particular again looks pretty good with the orange accents this is a the same bill we always use for our case reviews we try to keep this as consistent as possible because again you want this consistent runs between cases so we can compare airflow accurately you guys liked this video thumbs up you know what to do click that red subscribe button if you haven't already and become a member if you're feeling especially fancy that would be super awesome this is science to do thanks for watching and thanks for right
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