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  1.    26 Dec 2015 #11
    Join Date : Oct 2014
    Posts : 2,505
    W10 Pro + W10 Preview

    Quote Originally Posted by johnwillyums View Post
    Hi Folks :-)

    I'm not sure whether to post onto this thread, or start a new one.

    I'm just in the process of a new build, I've got my components ordered, plus a new chassis to put them in, the Define R5

    I'm wondering if I can create a positive pressure environment, inside the case.

    Included with the case, are two Fractal 140mm fans, one as intake on the front, the other exhausting out the top rear.

    This case, like others around today, is well engineered to fine tolerances, but intentionally has gaps for air getting in the case. However, it seems to have less than most, which is connected to it's silent functionality.

    I have two Noctua NF-P12 120mm fans, and two Akasa Apache 120mm. I'm thinking thing that both types are high static pressure fans.

    Given that, I can use either the 3, or 5 tray, drive caddy.

    If I put the two Noctua's in the front vent, whichever drive bay caddy I use, the Noctua fans will push cold through the drive bays, and into the body of the case.

    As there is only one of the Fractal fans exhausting, and we assume it can move less air out, than is coming from the two Noctua's at the front

    If I then, just leave the Fractal at the back, block the floor at the middle, and the vent beside the card blanks, in the rear panel, then more air will be entering the case than is leaving, especially if the Fractal fan is not that effective.

    Would I then have positive pressure, inside the case, air will be forced through every "hole" left in the case? Thereby keeping everything cool, and dust free. Any dust coming into the case would be repelled by the direction of the airflow.

    I could even mount one of the Apaches, in the middle of the floor, this would increase airflow up to the GPU, and then across the mobo and out.

    I would of course leave all the "moduvents"

    I'd appreciate some input on this. What do people think of my plan?
    Have a Fractal R4 I built to a fairly high spec, i7 included, and have made no modifications or added fans.
    This computer is almost silent, and does not overheat.
    You are thinking way over the top, unless you are planning to light a fire inside it.
    Have faith in the design capabilities of Fractal.
      My ComputersSystem Spec
  2.    26 Dec 2015 #12
    Join Date : Mar 2015
    Newfoundland
    Posts : 608
    win 10

    Just built a system using the Thermaltake Core P5. It's an open case and it is very easily customised to your end needs. Under $200 so reasonable on price for the size of the case and the options it presents. The case can be configured to stand up, lay flat or even wall mounted.




      My ComputerSystem Spec
  3.    26 Dec 2015 #13
    Join Date : Jan 2014
    Oak Ridge TN, USA
    Posts : 24,523
    Windows 10 Pro x64

    @johnwillyums

    I don't know what you would really want.. a flashy case to show off to others or a nice basic black case that has the features you need. For me at least, I go for the basic black case since I don't need to show it off to anyone and I want to put that extra money into other parts/software.

    My 2c.. good luck in your search.
    Jeff
      My ComputerSystem Spec
  4.    26 Dec 2015 #14

    Quote Originally Posted by Lee View Post
    Can't really see buying something fancy that only I would probably find wonderful. . .a plain box works for me, besides with the new imac 5k 27" now setting on my living room desk with (windows 10 insider program in Boot Camp Mode, see no reason for a truly fancy PC Box. . . my 2cents. . .
    Same here. I would rather spend more on heat absorption/cooling and have lots of ventilation space.
      My ComputerSystem Spec
  5.    26 Dec 2015 #15
    Join Date : Dec 2015
    Posts : 9
    Windows 10 Home-64bit

    Interesting case doorules.

    Also, that "In Win Tou" looks really interesting.
      My ComputerSystem Spec
  6.    26 Dec 2015 #16
    Join Date : Nov 2015
    Posts : 15
    Windows 10 Home 64bit

    Quote Originally Posted by johnwillyums View Post
    Hi Folks :-)
    I'm not sure whether to post onto this thread, or start a new one.
    I'm just in the process of a new build, I've got my components ordered, plus a new chassis to put them in, the Define R5
    I'm wondering if I can create a positive pressure environment, inside the case.
    Included with the case, are two Fractal 140mm fans, one as intake on the front, the other exhausting out the top rear.
    This case, like others around today, is well engineered to fine tolerances, but intentionally has gaps for air getting in the case. However, it seems to have less than most, which is connected to it's silent functionality.

    I have two Noctua NF-P12 120mm fans, and two Akasa Apache 120mm. I'm thinking thing that both types are high static pressure fans.
    Given that, I can use either the 3, or 5 tray, drive caddy.
    If I put the two Noctua's in the front vent, whichever drive bay caddy I use, the Noctua fans will push cold through the drive bays, and into the body of the case.
    As there is only one of the Fractal fans exhausting, and we assume it can move less air out, than is coming from the two Noctua's at the front
    If I then, just leave the Fractal at the back, block the floor at the middle, and the vent beside the card blanks, in the rear panel, then more air will be entering the case than is leaving, especially if the Fractal fan is not that effective.
    Would I then have positive pressure, inside the case, air will be forced through every "hole" left in the case? Thereby keeping everything cool, and dust free. Any dust coming into the case would be repelled by the direction of the airflow.
    I could even mount one of the Apaches, in the middle of the floor, this would increase airflow up to the GPU, and then across the mobo and out.
    I would of course leave all the "moduvents"
    I'd appreciate some input on this. What do people think of my plan?
    See this review:
    Quiet ATX Gamer, R5 Version | silentpcreview.com
    I would follow the lead from the review: keep the two 140mm Fractal fans, but put in an extra 140mm fan at the front. Do not bother with a fan at the bottom.
    I have a Fractal Design Design R5 myself, and the space at the bottom is 12mm. At 140mm diameter, this would give a geometrical flow area of 53cm2 (PixDxh) . A 140mm fan itself (without filter) would have a flow area of 140cm2 (Pi/4x(Do**2-Di**2) . So the bottom gap is very restrictive.

    I got the Fractal Design R5 myself a few weeks ago, and played around with stresstesting Prime95 and measuring temperatures with HWMonitor. It is good fun, and shows what results can be achieved.
    The side vents at the front are flow restricted: 2x1.4cmwidthx26cmhigh = 73cm**2. That is half the flow area of one 140mm fan. Could well be that even with two front intake fans and one outlet fan, there is no positive pressure in the case.
    With two 140mm front fans and one rear 140mm fan, all at 600rpm, I have a reasonable quiet operation, and i7-6700K during Prime95/shortFFT at 58degrC. Maxing the fans to 1200rpm (with front door open) only lowered CPU temperature by 1 - 2degrC, so the cooling of the case at 600rpm with filter and front door closed is good enough. Any further improvement has to be achieved by the CPU cooler.
    Last edited by turboman; 26 Dec 2015 at 12:33.
      My ComputerSystem Spec
  7.    26 Dec 2015 #17
    Join Date : Jun 2014
    Posts : 5,548
    Windows 10 Pro

    Quote Originally Posted by BunnyJ View Post
    @johnwillyums

    I don't know what you would really want.. a flashy case to show off to others or a nice basic black case that has the features you need. For me at least, I go for the basic black case since I don't need to show it off to anyone and I want to put that extra money into other parts/software.

    My 2c.. good luck in your search.
    Jeff
    When I was building my own computers I was more concerned with the layout of the case than I was of the looks. I always tried to find one that had plenty of drive bays and USB ports that were decently located.
      My ComputerSystem Spec
  8.    26 Dec 2015 #18
    Join Date : Oct 2014
    Posts : 920
    Windows 10 Pro

    As long as the case has dust filters, I am pretty much happy with it. I don't get case windows and such. I don't run extra fans when they aren't required. I usually don't use anything but the OEM cooler. I prefer smaller cases these days over large cases.
      My ComputerSystem Spec
  9.    26 Dec 2015 #19
    Join Date : Aug 2015
    Posts : 5
    w10

    I have been using Cosmos 11 for some time now, seem ok.Click image for larger version. 

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      My ComputerSystem Spec
  10.    26 Dec 2015 #20
    Join Date : Oct 2014
    Mid-Hudson Valley, NYS
    Posts : 273
    Windows 10 Insider Program, Linux Mint 18.2, LinuxLite, Ubuntu 17.10

    Quote Originally Posted by pparks1 View Post
    As long as the case has dust filters, I am pretty much happy with it. I don't get case windows and such. I don't run extra fans when they aren't required. I usually don't use anything but the OEM cooler. I prefer smaller cases these days over large cases.
    My rule for desktop cases: If you can't tuck under your arm, it's too damn big!

    Rich
      My ComputerSystem Spec

 
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