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New PC build with Corsair 500R, Not sure about airflow and total power consumation

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January 16, 2014 4:08:19 AM

Hi guys, this'll be the first pc I put together myself. The components list can be found below:



  • Intel Core i5 4670K
  • MSI Z87-G41 PC Mate
  • Sapphire R9 290 4GB GDDR5 OC TRI-X
  • Seagate Barracuda 7200.14 ST2000DM001, 2TB
  • Corsair Carbide 500R White
  • 2X Crucial Ballistix 2x4GB DDR3-1600
  • Samsung SH-224DB black
  • Seasonic M12II 520W
  • Samsung 840 EVO 250GB
  • Corsair H100i Extreme performance cpu cooler


  • All INTAKES will be filtered using Demcifilters (http://www.demcifilter.com/c29/CARBIDE-500R.aspx).

    Concern 1
    Now in the picture at the bottom you can see how I'm planning to set up my case and it's airflow.
    I am however worried that I won't have enough because their aren't a lot of them and they will be filtered using the demcifilters, reducing their intake efficiency (I assume).

    Solution 1
    I'm thinking about adding 1 Corsair SP120, 120mm at the bottom (just to the right of the PSU) as an exta intake, would this be enough to solve the possible problem?

    Solution 2
    Replace the stock fans at the front by 2 more powerful fans.
    (I have no idea and can't find any information on the efficiency of the 500R stock fans...)

    Ideas for replacement:
    Corsair AF120 Quiet Edition, 120mm
    Scythe Slip Stream SY1225SL12L, 120mm
    Noctua NF-P12, 120mm

    I won't be able to mange these through the built in corsair PWM though I think, and the LEDs will be gone as well :( 

    Solution 3
    Reverse the back top fan. This way the GPU get's the cold air from front and side and the CPU radiator cooler get's it directly from the back.
    Obvirous problem with this could be..
    Hot air GPU out --> goes up --> top fan takes it in.. (not very efficient I guess ^^)

    Concern 2:
    Will this system have enough power to power that GPU + CPU + mb + fans + ...
    I thought I was okay but I'm starting to have minor doubts (maybe problems at full load?)

    The SPU delivers 520W.
    I can't seem to figure out exactly what the rest of the system uses.. But I do have my concerns =/

    Random questions
    *2 Was it a good idea to remove this HDD bay?
    *1 I could possibly flip the PSU to take air from below the case instead of in the case. (will also be filtered if I flip it)
    *4 Was it a good idea to take the air out of the case here and push it out? This could also be done the other way around with the radiator at the bottom, fans top and fans taking cold air in.

    If you have other remarks about the system, please do tell, I'd like to learn

    Final notes:
    Haven't bought the h100i yet
    Case not assembled, planning on doing so in about 2 weeks.
    Hope this was the right place to post my questions.. Really couldn't find a better one :( 

    IMAGE OF AIRFLOW:
    January 16, 2014 6:14:36 AM

    You have WAY more than enough fans.

    The PSU should be flipped so the fan is down. That is how it is supposed to be.

    The system should have enough power if you are not overclocking the CPU which you shouldn't be on that motherboard anyway because it has VERY poor power phases and no VRM heatsinks. This makes the h100i a waste of money.

    Your fan setup is correct. Aside from flipping the PSU over, don't change anything.

    The 500r stock fans are perfectly fine and do not need to be replaced at all.
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    January 16, 2014 6:29:05 AM

    tiny voices said:
    You have WAY more than enough fans.

    The PSU should be flipped so the fan is down. That is how it is supposed to be.

    The system should have enough power if you are not overclocking the CPU which you shouldn't be on that motherboard anyway because it has VERY poor power phases and no VRM heatsinks. This makes the h100i a waste of money.

    Your fan setup is correct. Aside from flipping the PSU over, don't change anything.

    The 500r stock fans are perfectly fine and do not need to be replaced at all.


    I was planning on overclocking the system, hence the h100i. But you're advising strongly against this?
    In your opinion, what would be a better pick? (specific examples)

    And will OC'ing the CPU also bring the power usage to a level where I should be worried?

    I was thinking about replacing it with this one:
    Asus Z87-A
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    January 16, 2014 6:32:17 AM

    Well, your motherboard is about the lowest end z87 board there is. You won't get so much as a low overclock on your CPU before the board overheats. Airflow won't help that. It simply has no VRM heat sinks and poor power phases.

    Something like this is what you want for overclocking the CPU: http://pcpartpicker.com/part/asus-motherboard-z87a

    I would get a 650w PSU just to be safe if you are overclocking the CPU as well because the 290 is a VERY inefficient and power hungry card.
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    January 16, 2014 7:03:37 AM

    tiny voices said:
    Well, your motherboard is about the lowest end z87 board there is. You won't get so much as a low overclock on your CPU before the board overheats. Airflow won't help that. It simply has no VRM heat sinks and poor power phases.

    Something like this is what you want for overclocking the CPU: http://pcpartpicker.com/part/asus-motherboard-z87a

    I would get a 650w PSU just to be safe if you are overclocking the CPU as well because the 290 is a VERY inefficient and power hungry card.


    Thank you for all the help you're providing!

    I'm gonna change my PSU then, Would the "one up" version of my current one do? (Also listed another one below)
    Seasonic M12II 620W
    Corsair RM750
    Corsair CX750M

    I have no clue on how to judge of a psu is good quality or not, I guess it comes from experience..
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    January 16, 2014 7:06:15 AM

    Good PSUs are from Antec, XFX, Corsair (no cx line), and Seasonic.

    I recommend the xfx650 for amazing quality and value for money. That Seasonic 620w unit is also VERY good and is a great choice as well.
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    January 16, 2014 7:40:57 AM

    tiny voices said:
    Good PSUs are from Antec, XFX, Corsair (no cx line), and Seasonic.

    I recommend the xfx650 for amazing quality and value for money. That Seasonic 620w unit is also VERY good and is a great choice as well.


    I'm gonna order the seasonic 620, because I can't find any store selling the xfx650 here (Belgium).
    Thanks for the advise on my airflow and thanks for pointing out the poor choice of motherboard for OC'ing purposes!

    One more thing about airflow, just for my understanding. Why isn't the airflow a problem?
    How I see it is:

    Air comes in from side panel and front (both filtered with demci filter, which will reduce airflow), and won't most of that be used by my GPU?
    So the airflow coming from side and front are getting to the top cpu area = (Filter_resistance*Initial_Flow) - GPU_air_in

    I might be paranoid.. :D 
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    January 16, 2014 7:48:59 AM

    Blowing a ton of air all over is BAD. Blowing SOME air in a smooth pattern through the case is what you want.

    Your configuration is fine.

    Just as an example, I have gtx660ti SLI and a slightly overclocked CPU. My case has 3 fans only and a sealed side panel. I get the SAME temps with 3 fans as I do with 6 fans.

    More fans does not mean cooler. Yes, you are being paranoid. LOL Your system will be fine.

    Your GPU will not 'use' air. It will make air hot which will rise up and be exhaust ed out of the case.
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    January 16, 2014 8:42:43 AM

    tiny voices said:
    Blowing a ton of air all over is BAD. Blowing SOME air in a smooth pattern through the case is what you want.

    Your configuration is fine.

    Just as an example, I have gtx660ti SLI and a slightly overclocked CPU. My case has 3 fans only and a sealed side panel. I get the SAME temps with 3 fans as I do with 6 fans.

    More fans does not mean cooler. Yes, you are being paranoid. LOL Your system will be fine.

    Your GPU will not 'use' air. It will make air hot which will rise up and be exhaust ed out of the case.

    Finally found a place to calculate recommended power.
    According to http://www.thermaltake.outervision.com/Power I would need about 679W at a system load of 90%..
    So better go for a 750W SPU? ^^

    System Type: 4 physical CPUs
    Motherboard: High End - Desktop
    CPU Socket: Socket LGA 1150
    CPU: Intel Core i5-4670K 3400 MHz Haswell
    Overclock: 4600 MHz, 1.1 V
    CPU Utilization (TDP): 85% TDP
    RAM: 4 Sticks DDR3 SDRAM
    Video Card 1: AMD Radeon R9 290
    IDE HDD 7200 rpm: 1 HDD
    DRAM SSD: 1 Drive
    DVD-RW/DVD+RW Drive: 1 Drive
    Sound Blaster - All Models: Yes
    USB: 4 Devices
    Fans
    Regular: 1 Fan 250mm;
    LED: 5 Fans 120mm;
    Water Cooling Kit: Corsair Hydro H100
    Keyboard & Mouse (included): Yes
    System Load: 90 %

    Recommended PSU Wattage: 679 Watts
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    January 16, 2014 11:43:01 AM

    Those are VERY overestimated to protect the companies when people buy junk PSUs. Your system will run without any issues perfectly fine on 650w.

    A single r9 290 pulls MAX 240w. Your CPU when HEAVILY overclocked will pull 100w MAX. Nothing else really uses much power to be worried about. 650w is plenty.
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