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Author Topic: Power Supply Question!  (Read 359 times)
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Doopri
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« on: January 05, 2012, 11:42:45 PM »

so i was looking at a power supply that i thought had all the bells and whistles for a decent game setup - 600 w, 12v continuous power, even a pair of pci-e power connectors.  for the near future id only have one gpu, but who knows, maybe down the line i toss in a second in sli.  now i was reading the description, and it says something to the effect that it is for "midspecced, multicore single gpu computers" - what gives?  does a power supply HAVE to be "sli ready" - based on the power reqs i input (id probably only ever be going as high as two gtxs below the 560 series) i SHOULD have been okay - what am i missing?  go easy on me, ive been out of computer gaming for a while!

also - yay or nay on corsair psus?
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Calavera
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« Reply #1 on: January 06, 2012, 03:14:48 AM »

Quote from: Doopri on January 05, 2012, 11:42:45 PM

so i was looking at a power supply that i thought had all the bells and whistles for a decent game setup - 600 w, 12v continuous power, even a pair of pci-e power connectors.  for the near future id only have one gpu, but who knows, maybe down the line i toss in a second in sli.  now i was reading the description, and it says something to the effect that it is for "midspecced, multicore single gpu computers" - what gives?  does a power supply HAVE to be "sli ready" - based on the power reqs i input (id probably only ever be going as high as two gtxs below the 560 series) i SHOULD have been okay - what am i missing?  go easy on me, ive been out of computer gaming for a while!

also - yay or nay on corsair psus?

Video Cards are power hungry. smile To make what could be a long story short, you might be okay, you might not be. It's going to depend on what cards you're using and how well your power supply is built if 600W is going to be enough. A complete system with a pair of 560s in SLI is going to be using between 550 and 600W under load without overclocking them. It's within the rated output you listed, but if the PS quality isn't good, the PS won't last very long. A 750W+ is pretty standard if you're going to go SLI. This assumes you're going to get an upper mid-range card now (560Ti) and add a second card later when it's cheaper (2x 560Ti). If you buy a 570 with the intent of adding another 570 later, 750W probably won't be enough. I've been PC gaming for a long time now and have never run SLI/CFX. By the time I went to buy the second card, I could get a better performing single card for the same amount of money.

As far as Corsair, they're like Antec in that they don't make the power supply themselves. As a result, it's going to depend on the model you're looking at if it's any good or not. Your best bet is to check a site like Johnny Guru or HardOCP for the specific model you're looking at. Another (sad) thing is that different models within a line can be of different quality. So, just because the top of the line 1000W unit is great doesn't mean the 750W unit of the same line is built as well.
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