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Molex to PCIE connectors safe for gtx560?

Last response: in Graphics & Displays
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September 20, 2011 2:30:41 AM

I have a modxstream pro 700w modular psu and it has 2 +12v rails each at 25A which is easily enough to power 2 560s, however the modular cables included are one 6 pin and a seperate 8 pin. The psu only has to ports to plug in PCIE cables, meaning I can only use the included cables to power one 560. Do molex to 6 pin and molex to 8 pin adaptors provide the power necessary to power another 560? Feel free to leave any questions below. Also, sorry if this is in the wrong section. I couldn't choose between power supplies and graphics cards :/ 
a c 253 U Graphics card
September 20, 2011 2:37:03 AM

Yes that is why they make them. Also the 8 pin that you have does the end have the 6+2 split end ? The power supplies now all have the split ends so you can use either a 6 pin or 8 pin depending on what you need.
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September 20, 2011 2:49:02 AM

no it isn't a 6+2 pin. It's a solid 8 pin. I guess that means another adapter. There goes my cable management X(
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a b U Graphics card
September 20, 2011 2:58:55 AM

hm, im not so sure about using more then one adapter, much less 3-4 of em.. i mean if the psu didn't come with the connectors then it can't be good for it... :) 
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a b U Graphics card
September 20, 2011 4:21:48 AM

mouse24 said:
hm, im not so sure about using more then one adapter, much less 3-4 of em.. i mean if the psu didn't come with the connectors then it can't be good for it... :) 



At the time of manufacture the PSU manufacturers have to guess what cable combinations will be the most useful. Hardware changes weeks. There is nothing wrong with using quality adapters plugged into the 4-pin Molex 12v power connectors.
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a b U Graphics card
September 20, 2011 4:43:38 AM

I thought there might be a conflict with figuring out what rail you are on, obviously you cannot run 2 560s off a single 25a rail, so your gonna have to watch out for that :) 
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September 20, 2011 9:56:12 AM

Now that I look I'm seeing a ton of bad reviews for my power supply. Should I return it and get a more trustworthy one? If so what should I get? I'm looking to stay around the $100 range and at least get 700w out of it. Pref modular too.
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a c 253 U Graphics card
September 20, 2011 7:12:00 PM

SILVERSTONE ST75F-P 750W ATX 12V v2.3 / EPS 12V 80 PLUS SILVER Certified Modular Active PFC Power Supply $129.99

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

I am assuming you want a modular power supply and this will do the trick although it is a little over $100.

CORSAIR Enthusiast Series TX750M 750W ATX12V v2.31 / EPS12V v2.92 80 PLUS BRONZE Certified Modular High Performance Power Supply $129.99 and a $15 rebate

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

Maybe this one , it's a little closer to $100.

ENERMAX LIBERTY ECO II ELT720AWT-ECO_II 720W ATX12V v2.3 CrossFire Certified 80 PLUS Certified Modular Active PFC Power Supply $129.99 and a $30 rebate

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

Antec High Current Gamer Series HCG-750 750W ATX12V v2.3 / EPS12V v2.91 SLI Certified CrossFire Certified 80 PLUS BRONZE Certified Active PFC Power Supply $94.99 and a $25 rebate

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

I know it's not modular but this is a good ps with great feedback.

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