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  1. #1
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
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    Fan Header Question

    Hey

    Can the CPU_OPT be used as a normal fan connector ? I'm looking to putting more fans and this one would be ultra handy. I don't like having to resort to add-on cards for fan connections etc.

    thanks

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

  2. #2
    ROG Guru: Yellow Belt Array Deon017 PC Specs
    Deon017 PC Specs
    MotherboardASUS Rampage IV Extreme Black Motherboard
    ProcessorIntel Core i7 4960X Extreme Edition
    Memory (part number)Corsair Vengeance Pro CMY32GX3M4A2133C11 32GB
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    MonitorAsus Rog Swift 27" 3D Monitor
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    CPU CoolerEK Supremacy Elite CPU Waterblock for Intel 2011
    CaseCorsair Obsidian 900D Super Tower Case
    Power SupplyCorsair AX1200i Digital ATX Modular Power Supply
    Keyboard Logitech G19s Gaming Keyboard
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    Deon017's Avatar
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    Yes- I use mine as just that - you can run your fans directly from your PSU, but then you don't have control of them

  3. #3
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
    Keyboard Corsair K70 Cherry-Mx Brown
    Mouse Logitech G502 Proteus Core
    Headset Roccat 5.1 True Surround Digital
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    Quote Originally Posted by Deon017 View Post
    Yes- I use mine as just that - you can run your fans directly from your PSU, but then you don't have control of them
    Hey

    "run fans directly from psu" care to explain ? i don't see how i can plug a 3pin fan header into my psu --____--. You got my curiosity spiked.

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

  4. #4
    ROG Guru: Grand Master Array
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    Some heatsinks come with two fans. So apart from having the CPU_FAN header, ASUS also gives you the CPU_OPT fan to connect the extra one. That is also why the settings for CPU_FAN is mirrored off to the CPU_OPT header.

    To connect your fans directly to the PSU, you'd need a 3 pin fan to molex adapter.
    Click image for larger version. 

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  5. #5
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
    Keyboard Corsair K70 Cherry-Mx Brown
    Mouse Logitech G502 Proteus Core
    Headset Roccat 5.1 True Surround Digital
    Mouse Pad Razer Vespula
    Headset/Speakers Logitech Z906 5.1 Surround
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    Hey

    Okay i see. Since i'm using a h100i, my cpu fan's setting is "full speed in q-fan control" so whenever i will plug a fan in the cpu_opt, it will be full speed straight away. Which i want actually so i don't mind. Although, could i use a different settings on the cpu_opt regadless of the mirroring ?

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

  6. #6
    ROG Guru: Grand Master Array
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    Nope. The CPU_OPT header will always use the same setting you've chosen for the CPU_FAN header.

  7. #7
    ROG Guru: Green Belt Array Avenger411 PC Specs
    Avenger411 PC Specs
    MotherboardAsus Rampage V Extreme
    ProcessorIntel 5930K@4.3Ghz
    Memory (part number)G-Skills DDR4-3200 (16-16-16-36-1T) 1.375v
    Graphics Card #1EVGA Titan X w/ 980 Hybrid AiO Liquid Cooler
    MonitorAsus RoG Swift PG278Q
    Storage #1OCZ RD400A (Windows)
    Storage #2Samsung 950 Pro (Gaming)
    CPU CoolerCorsair H100i
    CaseCorsair 780T
    Power SupplyAntec HCP-1000w Platinum
    Keyboard Corsair K70 Cherry-Mx Brown
    Mouse Logitech G502 Proteus Core
    Headset Roccat 5.1 True Surround Digital
    Mouse Pad Razer Vespula
    Headset/Speakers Logitech Z906 5.1 Surround
    OS Windows 10 Pro
    Network RouterNetgear Nighthawk AC1900
    Accessory #1 Iphone 6S 64gb
    Accessory #2 Brainwave Headset Stand
    Accessory #3 Microsoft Xbox360 Pc Controller

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    Quote Originally Posted by Chino View Post
    Nope. The CPU_OPT header will always use the same setting you've chosen for the CPU_FAN header.
    Hey

    very well thank you chino and deon, ill just run the think full speed

    Max
    Cpu : Intel 5930K@4.25ghz@1.2v / Cache @4.25ghz@1.20v
    Cpu Cooler : Corsair H100i
    Case : Corsair 780T
    Memory : G.Skills 32GB DDR4-3200mhz CAS 15-15-15-35-1T@1.370v
    Motherboard : Asus Rampage V Extreme (BIOS 3504)
    M2 : Samsung 950 Pro NVME 512gb (Gaming)
    M2 : SSD1 : OCZ RD400A 128gb (windows)
    SSD1 : Crucial MX100 512gb (data)
    Gfx : EVGA Titan X w/ 980 Hybrid Cooling AiO Liquid Cooler
    PSU : Antec HCP-1000W
    Monitor : Asus RoG Swift

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