Thread: Whats better
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Old October 29, 2011, 03:42 AM
ilya ilya is offline
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In theory it's actually better to have multiple rails, but for a very long time only a few PSU manufacturers implemented them properly. (ie with multi GPU setups it was easy to overload a rail, causing all sorts of issues) But in practice it's simply easier and more practical to have a single rail design unless you're running an very high wattage load. (a lot more than ~850W) With 1kW+ units it becomes a *theoretical* safety concern when you have a single 12V rail capable of ~100A - any kind of failure or short circuit would simply be exponentially more catastrophic.
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