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18amps on the 12V Rails...Is it enough?

post #1 of 8
Thread Starter 
I have a 750w DELL PSU with (2) 6-pin connectors for a graphic card. I have to rma my SilverStone 850w and I was wondering if this PSU can handle a GTX 570.
There are a total of (4) 12V rails but with only (2) 6-pin connectors.

There are two options I'm thinking I can do if I use the Dayton PSU...
  1. Use the (2) 6-pin connectors or
  2. Use (1) 6-pin connector + (1) dual molex to 6-pin connector (is this even necessary)?

1st question...Can this 750w Dayton PSU handle a GTX 570 with 18amps/12V rail?
2nd question...What would be the preferred way to connect to the GTX 570 to make sure enough power is provided?

I've always been a little confused regarding the amp & rail stuff. Somebody, please help me out
Edited by drBlahMan - 10/17/11 at 8:00am
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post #2 of 8
Use the 2 built in connectors. It may handle the 570, but I'd be extremely cautious about it.

Don't panic about the rails, they are always enough for what you can plug into them on any decent PSU. OK the Dayton isn't a decent PSU, but it should handle it for the short term.

Edit: PS: GO BEARS
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post #3 of 8
Dayton PSU? Never heard of it and Google shows nothing.

Pictures please, especially of the label.
post #4 of 8
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
Dayton PSU? Never heard of it and Google shows nothing.

Pictures please, especially of the label.
I sincerely apologize for mistaken this PSU a Dayton. This is a DELL brand PSU. The model # is D7501-A001.

I know I can run a 6950 or a GTX560-ti but I'm not sure about a GTX570.

BTW...If this helps, after this PSU is connected to all the hardware and I use the (2) 6-pin connectors, I will still have (2) unused 4-pin molex connectors.

Quote:
Originally Posted by allikat View Post
GO BEARS
Riiiight...If Culter doesn't get sack 100 times this season they might be okay.

Edited by drBlahMan - 10/17/11 at 8:20am
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post #5 of 8
That's a Chicony/HIPRO unit. I don't have any experience with their high wattage PSUs, just their ~300W stuff (which is usually ok). I can't really say much without getting a look inside, except that if the specs are correct and the OCP is in any way intelligently configured, this should power up to SLI 560s easily, and maybe SLI 570s.
post #6 of 8
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
That's a Chicony/HIPRO unit. I don't have any experience with their high wattage PSUs, just their ~300W stuff (which is usually ok). I can't really say much without getting a look inside, except that if the specs are correct and the OCP is in any way intelligently configured, this should power up to SLI 560s easily, and maybe SLI 570s.
So a single 570 will be no problem...that's great

Should I stay away from 6-pin to 8-pin PCI-e adapters if I had ever decide to go with a GPU like the 6970 or GTX580?
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post #7 of 8
The adapters are fine, unless they're the cheap-nasty $0.25 ones with AWG20 wires and crap pins.
post #8 of 8
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
The adapters are fine, unless they're the cheap-nasty $0.25 ones with AWG20 wires and crap pins.
Thank you for the assistance I've just noticed your sticky article regarding PSUs. I'll make sure I take some time and read it
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