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CPU Power Connector, Question?

Samsterstorm
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Hi guys,

 

I am looking to convert to Intel and I am choosing a MB. I have the choice between the Asrock Extreme6 or extreme9. The 6 is much cheaper but I want to go high end so the 9 is the main choice If I can find the moneyz!.

 

My only question is in relation to the CPU 8pin connectors, it has 2 8pin connectors. My RM650 PSU only has 1 8pin, do I need to use both to power a 4790k with a OC of like 4.5-4.6ghz? Other MB dont need both! So can I just connect one? 

 

I have attached the image, you can see them at the top.

post-131546-0-99129200-1424941327.jpg

post-131546-0-99129200-1424941327.jpg

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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https://linustechtips.com/topic/317761-cpu-power-connector-question/
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@Samsterstorm If that's what the motherboard has, that's what you need to plug in, you can't just plug in one because that's what other have. But does it really need two 8pin connectors!? My MSI Gaming 7 with the same CPU only uses 1 8pin

My Rig: http://uk.pcpartpicker.com/p/vM7vCJ

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@Samsterstorm If that's what their herniated has, that's what you need to plug in, you can't just plug in one because that's what other have. But does it really need two 8pin connectors!? My MSI Gaming 7 with the same CPU only uses 1 8pin

Ok, I have seen linus videos where he only plugs in one 8pin and it has 8pin and 4pin? It surely dosent need that much power!

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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I believe it's only for extra stablity and overclocking and stuff. I don't believe it's needed. Someone state me if I'm wrong though.

Computing enthusiast. 
I use to be able to input a cheat code now I've got to input a credit card - Total Biscuit
 

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I believe it's only for extra stablity and overclocking and stuff. I don't believe it's needed. Someone state me if I'm wrong though.

I though it was for OCing 2 but I see loads of OC board with only 1! Maybe its for stability...... can u get xeons on 1150 maybe they are more power hungry???  :unsure:  :wacko:  :blink:

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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So it does! Wow

Yeah, it is in the picture! No review mention them though.....

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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I though it was for OCing 2 but I see loads of OC board with only 1! Maybe its for stability...... can u get xeons on 1150 maybe they are more power hungry???  :unsure:  :wacko:  :blink:

I would say it's more for those OC that are more then you'd be comfortable using 24/7 like 5+ghz

Computing enthusiast. 
I use to be able to input a cheat code now I've got to input a credit card - Total Biscuit
 

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I would say it's more for those OC that are more then you'd be comfortable using 24/7 like 5+ghz

Yeah, I may never go above 4.8 which I run on my AMD FX atm! I can always just plug it in if its needed! Ill just get another cable

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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You can get away with using just one of the 8-pins...the other 8-pin is there if you NEED it(Extreme OC, many fans, drives, etc)

Yeah, same with the 4pin molex at the botton of the board for like 3way sli plus! Gives me so many options

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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You should be able to use the connector labeled "1" and be fine with the other not having a cable.

Ok, cheers!

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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Looks like a amazing board! Cannot wait to try it!

 

Edit: I have read manual and they are labled 1&2 so I reckon that you could just plug it in!

'FrostNova' - https://uk.pcpartpicker.com/user/Samsterstorm/saved/WtBWGX :

CPU: Intel 4790k | MB: Asrock Z97 Extreme6 | GPU: Gigabyte GTX 970 G1 Gaming (+200, +250) | CASE: NZXT H440 (Black & Blue) | COOLER: Full EK 240mm CPU Loop | RAM: 16GB Hyper-X Fury (4x4GB @2133mhz) | STORAGE: Seagate Barracuda 1TB & Hyperx 120gb SSD | PSU: Corsair RM650 | SCREEN: Benq G2750 | LIGHTING: Deepcool RGB LED Kit | KEYBOARD: CM Devastator | MOUSE: Logitech G502 | HEADSET: Hyperx Clouds White 

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It's for extreme overclocking really... no normal user on a 24/7 overclock needs a 2nd 8 pin.

LGA775 Overclocking Guide - LGA771 to LGA 775 mod - Rigs in spoiler - Subzero Overclocker - HWBOT - Sandybridge-E Frequency WR Holder

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