GTX 770 12V Rail(s)

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hunter315
Yeah, it will be fine. A 770 only requires 230W for itself(~19A) and some of that will come from the PCI-e slot so it will be drawn from another rail. That unit did fairly well in its JG review a few years ago, but the HW secrets review showed the 3.3V rail dropping too low, possibly due to higher temperatures, just something to be aware of.
http://www.hardwaresecrets.com/article/bequiet-Straight-Power-E9-CM-680-W-Power-Supply-Review/1442
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=269
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mf Red

mf Red

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Jan 17, 2014
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Looks good to me bud. People will recommend getting a single 12v rail if you can but its too late for that! If you can make sure the 2 PCIe connectors you plug into the card are on different rails.
 
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hunter315

hunter315

Champion
May 12, 2009
10,653
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Yeah, it will be fine. A 770 only requires 230W for itself(~19A) and some of that will come from the PCI-e slot so it will be drawn from another rail. That unit did fairly well in its JG review a few years ago, but the HW secrets review showed the 3.3V rail dropping too low, possibly due to higher temperatures, just something to be aware of.
http://www.hardwaresecrets.com/article/bequiet-Straight-Power-E9-CM-680-W-Power-Supply-Review/1442
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=269
 
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Solution
ko888

ko888

Titan
Feb 18, 2009
16,708
41
84,990
For a system using a single GeForce GTX 780 Ti graphics card NVIDIA specifies a minimum of a 600 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 42 Amps or greater and that has at least one 6-pin and one 8-pin PCI Express supplementary power connectors. There are some non-reference design cards that require two 8-pin PCI Express supplementary power connectors.

The Be Quiet Straight Power E9 680W CM definitely meets the requirements.

The two modular PCI-E cables are on the two 22 Amp rails (i.e. +12V3 & +12V4).
 
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