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  1. #1
    ROG Guru: Orange Belt Array alyraver's Avatar
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    couple of questions about my first build

    hI ya peeps

    Just couple of questions about my first ever build that i have now started

    I'll list my components first then ask the questions:

    Case - Corsair Obsidian 800D
    Mobo - Rampage IV Formula
    PSU - Corsair AX850
    CPU - I7 3930K
    Cooler - Corsair H100 (push/pull config)
    GPU - Asus GTX 680 TOP
    Storage - OCZ Agility 3 SSD
    Ram - G Skill 16gb 2133


    Question 1

    The RIVF Mobo came with 4 of the 8 ATX12V connector blocks covered up by a plastic clip (can be removed), But the PSU cable for the ATX12V has 2 x 4 pins at the end. Therefore am i supposed to plug both of the 4 blocks in ....OR just the 1 and leave the other out?

    Question 2

    The PSU came a few 4 pin Molex power cables that all have about 4 molex connections on each wire. I am therefore assuming that i can power multiple things off the one molex cable? For example can i power the Fan controller and the H100 from just one of these cables? Or should i be powering each seperatley?

    Many thanks for your help

  2. #2
    ROG Guru: Grand Master Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    MotherboardROG ZENITH II EXTREME
    ProcessorTHREADRIPPER 3960X
    Memory (part number)TXBD48G4000HC18FBK
    Graphics Card #1GTX Titan X
    Graphics Card #2SLI is dead to me
    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 970/960/950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB/Samsung 1TBSSDs
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
    CaseNope!...Dimastech Easy XL...let it all hang out man!
    Power SupplySeasonic 1000 Platinum
    Keyboard Corsair Strafe MK2 ROG Claymore... or Fender Rhodes Electric Piano (MKI 73)
    Mouse Corsair M65Pro or Speedy Gonzalez...not Mickey...don't do Disney!
    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
    Network Router56k modem
    Accessory #1 Umm...nice tie?
    Accessory #2 Err...belt?
    Accessory #3 3 accessories?! I'm not a girl!!
    Arne Saknussemm's Avatar
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    Hi there! I have two CPU power cables ending in 8 pins. One is one single block and the other ends in a block that can be split into two blocks of four. Either model will work just fine. Take the plastic cap off and plug all 8 pins in.

    RE: the molex you can run a few things off them, yes. A fan controller and H100 no problems!

  3. #3
    ROG Guru: Orange Belt Array alyraver's Avatar
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    nice one cheers

  4. #4
    ROG Guru: Grand Master Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    MotherboardROG ZENITH II EXTREME
    ProcessorTHREADRIPPER 3960X
    Memory (part number)TXBD48G4000HC18FBK
    Graphics Card #1GTX Titan X
    Graphics Card #2SLI is dead to me
    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 970/960/950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB/Samsung 1TBSSDs
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
    CaseNope!...Dimastech Easy XL...let it all hang out man!
    Power SupplySeasonic 1000 Platinum
    Keyboard Corsair Strafe MK2 ROG Claymore... or Fender Rhodes Electric Piano (MKI 73)
    Mouse Corsair M65Pro or Speedy Gonzalez...not Mickey...don't do Disney!
    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
    Network Router56k modem
    Accessory #1 Umm...nice tie?
    Accessory #2 Err...belt?
    Accessory #3 3 accessories?! I'm not a girl!!
    Arne Saknussemm's Avatar
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    Apr 2012
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    Let us know how it fires up!

  5. #5
    ROG Guru: Orange Belt Array alyraver's Avatar
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    yer will do! its very educational, i've learnt a lot in the past few days. Last thing i got to buy is Win 7 Ultimate. All going well i should be firing up in about 4 days or so. Watch this space!

    .....Its either gonna be awesome gaming, or aweosme indoor fireworks ahahahah!

  6. #6
    ROG Guru: Diamond Belt Array Zka17's Avatar
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    alyraver, I know, you didn't ask, but I think it's worth mentioning that the 800D and H100 are not the best friends... Keep your eyes on temps! if you have issues or questions about how to set up the airflow, just ask! - we're here for you...

  7. #7
    ROG Guru: Orange Belt Array alyraver's Avatar
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    Quote Originally Posted by Zka17 View Post
    alyraver, I know, you didn't ask, but I think it's worth mentioning that the 800D and H100 are not the best friends... Keep your eyes on temps! if you have issues or questions about how to set up the airflow, just ask! - we're here for you...
    really? how come?

  8. #8
    ROG Guru: Diamond Belt Array Zka17's Avatar
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    Quote Originally Posted by alyraver View Post
    really? how come?
    I assume that you asked this about the 800D not being good friend with H100...

    So, the 800D is a great case - for water-cooling and modding... It's pretty bad for air-cooling, since doesn't have enough vent openings/fan holes. Your setup, having the H100 in the top and the bottom fans as intakes, with the rear fan as exhaust - it's the best possible one. However, it's far from optimal...

    Just calculate how much air you are forcing in and how much is exhausted actively... you've got a positively pressurized system - which by itself isn't good or bad... but the problem is that you can have dead spots, hot air accumulations because of the pour air movement...

    Imagine, the hot air is raising (naturally) from the graphic card, meets the hot air from the mobo, then the air exhausted by the H100 is added to it... then all of that suppose to be exhausted outside the case by that single rear fan...

    I have both the 800D and H100, and I did play a lot with different airflow configuration... As I said, yours was the best setup - but compared to different cases where is better airflow, the min temps were higher as with >10C! I never had a H80, but I could imagine that it would be better for this case... setup as intake on the rear (this way will get fresh air), and set up the top fans as exhausts... but it won't work with the H100...

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