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molex(perphiral) connectors - Page 2

post #11 of 13
Two things to consider with adapters/extenders:
1.) Build quality. If it's made with cheap 20ga wire and poorly attached pins, you're going to have significant voltage drop and a high chance of adapter failure in a few years, which can be an issue. But if it's made well with 18-16ga wire and the pins are attached well it shouldn't be an issue.

2.) OCP setpoints. The infamous "rails". This needs to be approached on a case-by-case basis, and if you don't know what makes the Thermaltake Toughpower 750W multi-rail while the otherwise identical Corsair TX750 is a single rail, then you should probably come on here to ask first. However for just one or two adapters it isn't a big issue, so you can usually pull it off no matter what the rail distribution.
post #12 of 13
It's bad practice, but it's mostly fine. My only concern might be that PCI-E connectors are likely to be designed to either split rails so as not to overdraw, or be isolated from other 12v draws.

As long as you don't daisy chain SLI molex connectors it's probably going to be fine though.
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Bleeding Edge
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 5.0Ghz 24/7 ASUS P8P67PRO AMD 5870x2 8GB GSkill Ripjaw X 1600 @ CL8 
Hard DriveOSMonitorKeyboard
ADATA S599 64GB SSD + 2x 1TB Spinpoint (Raid 0) Windows 7 64Bit Dell 23" Razer Lycosa 
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Seasonic X650 HAF X 
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post #13 of 13
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
Two things to consider with adapters/extenders:
1.) Build quality. If it's made with cheap 20ga wire and poorly attached pins, you're going to have significant voltage drop and a high chance of adapter failure in a few years, which can be an issue. But if it's made well with 18-16ga wire and the pins are attached well it shouldn't be an issue.

2.) OCP setpoints. The infamous "rails". This needs to be approached on a case-by-case basis, and if you don't know what makes the Thermaltake Toughpower 750W multi-rail while the otherwise identical Corsair TX750 is a single rail, then you should probably come on here to ask first. However for just one or two adapters it isn't a big issue, so you can usually pull it off no matter what the rail distribution.
thank you Phaedrus! how do you tell? can you put some pictures? i would like some pictures of good and bad
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