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Phanteks Enthoo Pro M fan setup + recommendations - Page 6

post #51 of 111
Quote:
Originally Posted by pez View Post

I just provided my results and I left it at that. I feel the end of your post is a bit baiting, so I'll let you have a battle with yourself on that.

The case isn't perfect, I'm well aware of that.
Like you, I found his original 3 line post

do not use 140mm fan on the front of enthoo pro m.
it is a fake support of 140mm on the front.
no extra cut out/gaps/holes, just making more noise.

To be way over the top .. and how it's changed to now being

... the "potential" problem is.

Big difference from original unfounded claims to just a potential problem .. which is a much more realistic assessment of mounting frame probleml tongue.gif

Phanteks P400, Enthoo Pro M and Evolv ATX all have same front 120mm mounting frame blocking 140mm fan restrictions.

I modified the front fan mounting frame in an Enthoo Luxe that came with 200mm fan and foumd no appreciable difference in sound or performance .. but the 200mm fan is garbage anyway.

I've removed grills in other cases (bottom and back) and did notice a significant difference in both airflow and noise.

I don't know of any case that is perfect. Case design is more about looks, bells and whistles than good airflow design.

It's been known for donkeys' years that wire grill or big hex hole grill are much less restrictive than other pressed metal grills Front 'decorative' grill frames with small round hole mesh(cc3.2mm hole on 5.6mm) used on many front grills block 70% of the grill area. Add in grill induced turbulence and airflow is lowered by an additional 10-15% .. plus filter mesh being an additional 35-80% reduction. Filter testing was done using FN121 fan which has 1.12mm H2O rating .. which is why I recommend case fans have 1.3mm H20 or higher pressure ratings at 1200rpm .. link to data
http://www.overclock.net/t/1491876/ways-to-better-cooling-airflow-cooler-fan-data/0_20#post_22657923

PH-F140SP is rated 1.32mm H2O and new MP impeller case fans are rated 1.31mm H2O, but that is rather deceptive because the MP impeller has significantly higher pressure/flow at lower rpm then old SP does. SP and XP are same impeller The below data is from PH-F140MP (1600rpm)and PH-F140XP (1200rpm) .. keep in mind these test results are skewed by the 400rpm speed difference at 12 volt which shows P-F140XP (PWM version of PH-F140SP) results are almost as good as 400rpm faster speed of PH-F140MP.. I suggest looking at 7v testing, as that is similar to the speed many of us use our case fans at. At a guess the speed difference at 7v is about 250rpm.

Edited by doyll - 10/17/17 at 4:46am
post #52 of 111
Quote:
Originally Posted by asdkj1740 View Post

maybe it is due to higher airflow of noctua a14pwm than phanteks f140mp/f140xp.
i was mounting 3*140mm fan on the front too, and then i found the noise is annoying, took away the top 140mm fan, still have got the same problem, sadly.
i have these three fans. although i wont test the problem with phanteks fans.

becasue some of the area on two sides block part of airflow of 140mm intake fan, if those blocked airflow cant escape well but return back to the fan blade, fan blade then will vibrate more, causing some strange noise.
in terms of cooling performance i doubt there will be any significant influence.
for noise, if you dont have the same issue i have/dont care about that little strange noise, then it is all fine.
but, clearly, this type of design is stupid. and i am happy with phanteks new cases come with new design//using general design.

i dont come here for attacking anyone/any product, i just point out the issue, and recommend some fix or simply choose 120mm fan instead.
if i have offended your perfect favorite product then i am so sorry lol. for the price, enthoo pro m is amazing.
You need to stop making statements like
" fan blade then will vibrate more"
While fan blades can vibrate more under those conditions, not all will vibrate more.
It's that kind of definitive statement that caused you problems earlier in this thread.

Simple solution is to remove the metal that intrudes into 140mm airflow path. A set of left, right and straight aviation snips and/or a nibbler make quick work of it. Several of us often do this sort of thing with very good results.

I agree, little difference in performance but noise can be problematic.

While I will agree it is a problematic design it is needed. How else is fan / radiator mounting to be done at low cost? As I said before, it's easy to remove the unwanted mounting metal .. but if it's not there and potential buyer wants to use 120mm fans/radiators in the case and it only supports 140mm fans they won't buy it.
post #53 of 111
no, p400 is better, p400 is the typical one. that 140mm fan mounting strip on p400 help 140mm fan to breathe more unrestrictively, while enthoo pro m and enthoo evolv dont even have small holes for 140mm fan airflow.

the potential problem is that, if you mount 140mm fan on the front, and dont turn it on, there would not be any strange noise problem. this is an extreme example.
as long as you increase the fan speed to certain level which generates sufficient airflow, those restricted airflow would become strong enough to push air back and make strange noise. this is my thought on this problem's root, maybe wrong, but the fact is true, at least for me.

the "realistic assessment of mounting frame problem" has already shown on that 4 previous pics obviously.

well you do have your way to solve it, but not everyone including me is willing to hard mod the case.




pez provides his result with no noise problem, good to hear that.
i provide my poor result, and pez said i am baiting. lol, cant say much about that:D



i have been talking the same only thing right here since the first comment i made in this thread.
let me reclaims my recommendation:
for the front fans on enthoo pro m, that is just a fake support letting users to mount 140mm fan.
if you have to use 140mm fan on the front, try mounting them from case interior.
or simply use 120mm fan, no problem at all.
Edited by asdkj1740 - 10/17/17 at 8:02am
post #54 of 111
Quote:
Originally Posted by asdkj1740 View Post

no, p400 is better, p400 is the typical one. that 140mm fan mounting strip on p400 help 140mm fan to breathe more unrestrictively, while enthoo pro m and enthoo evolv dont even have small holes for 140mm fan airflow.

the potential problem is that, if you mount 140mm fan on the front, and dont turn it on, there would not be any strange noise problem. this is an extreme example.
as long as you increase the fan speed to certain level which generates sufficient airflow, those restricted airflow would become strong enough to push air back and make strange noise. this is my thought on this problem's root, maybe wrong, but the fact is true, at least for me.

the "realistic assessment of mounting frame problem" has already shown on that 4 previous pics obviously.

well you do have your way to solve it, but not everyone including me is willing to hard mod the case.



pez provides his result with no noise problem, good to hear that.
i provide my poor result, and pez said i am baiting. lol, cant say much about that:D


i have been talking the same only thing right here since the first comment i made in this thread.
let me reclaims my recommendation:
for the front fans on enthoo pro m, that is just a fake support letting users to mount 140mm fan.
if you have to use 140mm fan on the front, try mounting them from case interior.
or simply use 120mm fan, no problem at all.
You obviously have no first hand experience with the P400.

P400 has very small filtered vents supplying the front fans .. cc74.13sq cm total. A 120mm fan has cc100sq cm airflow area and 140mm fan has cc140sq cm airflow area.

No, these cases can flow plenty of airflow for a 140mm fanned cooler and 2x-3x 90mm fannedGPU cooler. Many users are doing it.

You won't 'hard mod' at case. Do you want manufactures to sell one case for 120mm fans and another for 140mm fans? Sorry but that's not practical and is not going to happen.

You didn't prove anything. You only made claims. I agree with pez. lol

Telling users to not use 140mm fans in Pro M is not a recommendation, but an unfounded claim that has been proven false by almost all owners of Pro M case .. Enthoo Evolv ATX case owners as well. Both cases use same basic chassis I'm using Evolv ATX with 2x 140mm front intakes and no noise or airflow problems .. wink.gif

You can believe whatever you want, but if you post untruths be prepared to have them shredded.
post #55 of 111
Quote:
Originally Posted by asdkj1740 View Post

do not use 140mm fan on the front of enthoo pro m.
it is a fake support of 140mm on the front.
no extra cut out/gaps/holes, just making more noise.

Seriously? This forum just keeps getting more and more random and further from reality. I can't believe anyone is even discussing this..
post #56 of 111
On my Enthoo Pro M, I cut out most of the metal in the front and top fan mounts in order to remove as much obstruction as possible since i'm running a 360 rad up top and 280 in the front. Also cut out the metal grill for the rear 140mm exhaust. The top three 120mm fans are Fractal Venturi HP12 PWM, the front two are Phanteks PH-F140MP's but i may be replacing those with a pair of Noctua NF-A14 industrialPPC-2000 IP67 PWM fans since they're only slightly faster yet have over 2x the static pressure. I currently have one in the rear for exhaust and its outstanding. And best of all, i can throw them in the sink and wash them when they need a good cleaning.
post #57 of 111
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post #58 of 111
Quote:
Originally Posted by asdkj1740 View Post

no, p400 is better, p400 is the typical one. that 140mm fan mounting strip on p400 help 140mm fan to breathe more unrestrictively, while enthoo pro m and enthoo evolv dont even have small holes for 140mm fan airflow.

the potential problem is that, if you mount 140mm fan on the front, and dont turn it on, there would not be any strange noise problem. this is an extreme example.
as long as you increase the fan speed to certain level which generates sufficient airflow, those restricted airflow would become strong enough to push air back and make strange noise. this is my thought on this problem's root, maybe wrong, but the fact is true, at least for me.

the "realistic assessment of mounting frame problem" has already shown on that 4 previous pics obviously.

well you do have your way to solve it, but not everyone including me is willing to hard mod the case.




pez provides his result with no noise problem, good to hear that.
i provide my poor result, and pez said i am baiting. lol, cant say much about that:D



i have been talking the same only thing right here since the first comment i made in this thread.
let me reclaims my recommendation:
for the front fans on enthoo pro m, that is just a fake support letting users to mount 140mm fan.
if you have to use 140mm fan on the front, try mounting them from case interior.
or simply use 120mm fan, no problem at all.

That's not what I was referring to as the baiting, but whatever you have to do to make yourself feel better smile.gif.

When it comes down to it, it's your word against mine, and you making a 'potential' problem out into a big fuss is what this has now derailed into.
 
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post #59 of 111
I agree the P400 has restrictive front venting, but we can add 2 good front fans and get reasonably decent airflow. Many cases have just as restrictive front vent areas.

The problem with most case reviews is off the self cases generally need more fans and often need all new fans. Stock P400 has 1x front intake and 1x rear exhaust fans .. and they are not good fans, so of course it does not flow much air.

My P400 with 2x 120mm PH-F120MP front intake fans and no exhaust fans supplies 120mm fan cooler and 2x fanned GPU with enough airflow to kee them cool and is quiet unless working hard, and even then is reasonably quiet. I was thinking of removing the front grills and placing filters on fans but performance is okay with just a couple good fans.

Definitely not my favorite case, but for a entry level case it's not bad. It is the lowers priced case I've build in over 10 years and it's cooling just fine with a couple of good fans. wink.gif
Quote:
Originally Posted by pez View Post

That's not what I was referring to as the baiting, but whatever you have to do to make yourself feel better smile.gif.

When it comes down to it, it's your word against mine, and you making a 'potential' problem out into a big fuss is what this has now derailed into.
Exactly!
I know what you say is accurate and reasonable. Your results are in with what the rest of normal users have found to be true.
Edited by doyll - 10/18/17 at 4:54am
post #60 of 111
Thread Starter 
So I just put most of the system together since the 8600k shipped yesterday.

This is one smooth case, I love it.

Was the recommendation to NOT put the back I/O plate on or put it on ?

There's also one extra hole on the left side (and mounting screw) for a mounting screw but I assume I don't need ot use it since like an inch above it there's one I screwed in and the case already had the mounting screw installed.
 
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