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Just making sure my PS will support my video card upgrade.


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#1 Shafter99

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Posted 31 December 2013 - 02:10 AM

Hi guys! I'm thinking of taking advantage of a deal on a new GTX 760 4G to upgrade from my old HD 7770, but I want to be sure my power supply can handle it before I place the order. The PS I'm currently using is a Raidmax RX-535: http://www.newegg.com/Product/Product.aspx?Item=N82E16817152049 and the card I'm ordering is the MSI Gaming Edition GTX 760: http://www.newegg.com/Product/Product.aspx?Item=N82E16814127748 .  Now I've checked the specifications from both the reference edition cards and the specs from MSI's website and the requirement is a 500W power supply with 30 amps on the 12V rail.  My current PS has 36A on the rail, so it does seem like this is a good fit, if a bit of a snug one... The plan is to SLI another one, eventually but naturally I'll get a new PS with that order if I can afford to wait until then.  I'd really appreciate any help or insight into this, mostly to put my paranoid mind at ease one way or the other.  I've been building PCs for about eight years now, and I know that this situation SHOULD work, but some reassurance or caution would really help! Thanks in advance for any help! Happy New Year!


Edited by Shafter99, 31 December 2013 - 02:11 AM.


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#2 GreenGiant117

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Posted 31 December 2013 - 08:37 AM

That sounds like a decent fit, but if you have a lot of other things in your computer case (more than 2 or 3 hard drives, a sound card, a couple DVD drives, etc) you may be encroaching the limits of efficiency of that PS, just be wary and you should be fine.



#3 King_Yoshi

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Posted 31 December 2013 - 12:26 PM

Use one of the many power supply calculators that exist, to see what total wattage you need.
Make sure to include all specifications in the calculations. (AsGreenGiant Mnetioned.. total number of hard drives, dvd drives, sounds cards, processors etc.)

 

Try neweggs: Newegg Power Supply Calculator
Or This one: be quiet PSU Calculator

 

There are plenty of others you can find with a little googling.



#4 Shafter99

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Posted 31 December 2013 - 03:05 PM

Hey, thanks so much for the input Giant and Yoshi! I'm placing the order today!!! Those are great applications, Yoshi! Looks like I can wait until I order my second 760 to get a new PS! Thanks again for all your help! Cheers, guys! Happy New Year! Hope it's a great one for you both!






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