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Can someone explain how to hook up PSU to all my components ?

Last response: in Systems
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October 11, 2013 11:33:49 PM

Here is my problem I am a first time PC builder I am currently in the middle of my build right now. I have the CPU installed, Cooler Master EVO 212 installed, Memory installed, and Video card installed. I am about to do a test boot I am doing this outside of the case right now before I install it to make sure no parts DOA or etc... I already have the CPU fan plugged in, Motherboard power plugged in and now I am about to plug in the Video card to PSU but realize that I am not sure which to use 6 pin or 6+2 pin and why or why not to use one or the other. Can someone please explain it would be greatly appreciated. The PSU is Rosewill Hive series 750 watts and the Video card is 7870 2GB GHZ series. Thanks in advance
October 12, 2013 12:34:46 AM

I am so confused all I know is one PCI-E cord has 8 pins and then on other end 6 +2 then another cord I could use has 6 pin and 6+2 on the end. Which should I use and why or why not. Please help I am dying to get this build finished
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a c 266 ) Power supply
a c 258 U Graphics card
a c 83 B Homebuilt system
October 12, 2013 12:34:57 AM

OK. A Hive 750 has :
Fixed:
1 x 20+4-Pin Main Connector
1 x 4+4-Pin ATX12V/EPS12V Connector
1 x 8-pin EPS12V Connector

The 20+4 should be easy.
Use the 8pin if your motherboard has an 8pin plug in by the CPU. If it has a 4 pin by the CPU use the 4+4 pin. Some high end boards require 2 x 8pin CPU connectors but I doubt yours does so 1 fixed cord will not be used.
Modular:
4 x 6+2-Pin PCI-E Connector
8 x 5-Pin SATA Connector
6 x 4-Pin Peripheral Connector
2 x 4-Pin Floppy Connector

Use the 6+2 pin connectors that should be labeled PCI-E for the graphics card. Remove the +2 if necessary. The extra +2 will just hang there.

SATA connectors ( Flat ) are for hard drives, SSDs and optical drives.

4pin Peripheral or Molex ( 4 large pins ) connectors are for fans or fan controllers and case lights or anything else that needs power.

4Pin Floppy only fits a floppy drive and aren't used much anymore.
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October 12, 2013 12:42:16 AM

anort3 said:
OK. A Hive 750 has :
Fixed:
1 x 20+4-Pin Main Connector
1 x 4+4-Pin ATX12V/EPS12V Connector
1 x 8-pin EPS12V Connector

The 20+4 should be easy.
Use the 8pin if your motherboard has an 8pin plug in by the CPU. If it has a 4 pin by the CPU use the 4+4 pin. Some high end boards require 2 x 8pin CPU connectors but I doubt yours does so 1 fixed cord will not be used.
Modular:
4 x 6+2-Pin PCI-E Connector
8 x 5-Pin SATA Connector
6 x 4-Pin Peripheral Connector
2 x 4-Pin Floppy Connector

Use the 6+2 pin connectors that should be labeled PCI-E for the graphics card. Remove the +2 if necessary. The extra +2 will just hang there.

SATA connectors ( Flat ) are for hard drives, SSDs and optical drives.

4pin Peripheral or Molex ( 4 large pins ) connectors are for fans or fan controllers and case lights or anything else that needs power.

4Pin Floppy only fits a floppy drive and aren't used much anymore.


I have everything all plugged in except about which PCI-E plug to use I understand plug both 6 pin in GPU and leave both +2 hanging off but my real problem is use the 8 pin or the 6 pin PCI-E plug because it has both and what is the difference. That is my problem. Also thanks so much for taking your time to help me out its really appreciated.
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October 12, 2013 12:45:58 AM

I am talking about the 6 pin or 8 pin end that plugs into the PSU
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a c 266 ) Power supply
a c 258 U Graphics card
a c 83 B Homebuilt system
October 12, 2013 12:46:40 AM

According to the specs I see it should have 4 x 6+2pin PCI-E connectors. As long as they say PCI-E either will work fine though. 6+2 pin connectors just supply more potential voltage through the extra 2 pins. Most lower wattage power supplies only come with 6pin connectors. The 6 pin parts are identical.

Glad to help! :) 
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a c 266 ) Power supply
a c 258 U Graphics card
a c 83 B Homebuilt system
October 12, 2013 12:51:57 AM

Oh I see exactly what you are talking about. I think it's labeled wrong on newegg. It actually has 2 x 6pin and 2 x 6+2 pin PCI-E connectors. If your graphics card only needs 6 pin cables then just use the 6 pin cables from the PSU. Save some case clutter. You could use either though.

Click on the pics here and you can see. The picture with the cables is what you want.,

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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Best solution

a c 266 ) Power supply
a c 258 U Graphics card
a c 83 B Homebuilt system
October 12, 2013 12:56:02 AM

Ok watched the vid. Weird. Anyway you can just use the 6pin from the PSU since your card only needs 6pin.
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October 12, 2013 12:58:08 AM

OK thanks so much.
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a c 266 ) Power supply
a c 258 U Graphics card
a c 83 B Homebuilt system
October 12, 2013 1:09:05 AM

Sure. Good luck with everything else. If you have anymore problems let us know.
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