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Do I plug both of these into my motherboard or just one?

Trosky
By Trosky
in CPUs, Motherboards, and Memory
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Yes, one is main Mobo power and one is for the CPU.

CPU: i7 - 2600k. GPU: GTX 1070. Mobo: intel something. RAM: Corsair XMS3 @1600Mhz (8GB). SSD: Crucial MX100 256GB. HDD: WD Green 1TB . Case: Cooler Master HAF XB EVO Monitors: LG 25UM65-P and Benq 2200HD Keyboard: Corsair vengeance K70 FPS Red switch. Mouse: Logitech G502 Proteus Core. Headset: Steelseries Siberia V2

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Yep

 

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Wait but I have 2 cables coming from my PSU. One is a 2x4 and says CPU2 and the other is (2) 2x2 cables you put together to make 4x4 and it says "CPU1"

Which one do I use?

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I mean  (2) 2x2 cables you put together to make 2x4 and it says "CPU1"

Which one do I use?

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Some motherboards have a 4-pin (2x2) connection on the motherboard, but most modern boards now have a 8-pin connections. Just to have it simple, connect the full 8-pin.

If I am getting you right, combine the two 2x2 and connect to your motherboard.

You NEED the 24-pin connection. It's what powers the rest of the motherboard (SATA ports, PCI-Express slots, Audio chip set, USB ports, fan headers, etc).

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You should have one big connector with 20+4 pins. Thats the main motherboard power. There's no 12+12 pin connectors AFAIK. Then you have 4+4 pin CPU connector. You might get the thing started with just 4pins connected but under load, you will need all 8pins to keep it stready. Refer to motherboard manual on which headers are for which connectors. If that board has extra 8pin place, you can leave that free. Its for extreme overclocking and rarely needed in normal use.

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