Power supply for GTX 650 TI Boost

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Power supply for GTX 650 TI Boost

Postposted on Tue Jun 04, 2013 9:37 am

Hey gang,

Apologies for posting this question since I know this is a topic that's been discussed many times before, but I wanted the TR community input before finalizing. I'm building a new desktop for a friend and trying to salvage parts from an older build of mine that I can give to him. I have an In-Win DQ-series 400 watt PS (80-plus rated) that I want to use in his system to save him from having to buy a new PS. He's chosen a Zotac GTX 650 TI Boost 2GB video card that we're putting into the build. Is 400W enough for this? Most recommendations online suggest 400-450W for this video card - so am I cutting it too close? Here's the specs on the PS in question: http://in-win.com.tw/US/products_power_ ... ries_id=54

Thank you in advance!
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Re: Power supply for GTX 650 TI Boost

Postposted on Tue Jun 04, 2013 10:11 am

Imo I think you should be ok, especially if you refrain from heavy overclocking. Others might have a better opinion. It might help to also mention your CPU, since there is a large power gap between recent AMD/Intel models.

Relevant resource: http://www.extreme.outervision.com/psuc ... orlite.jsp
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Re: Power supply for GTX 650 TI Boost

Postposted on Tue Jun 04, 2013 1:17 pm

Depends on the age of the PSU, and how the 12V rails are configured. A new 400W PSU would probably be fine, but capacitors age and you might find that what was once a 400W PSU is now only a 310W PSU.

In-Win PSU's are effectively no-name generic, although the 80+ standard is a sign that it's not ridiculously low-quality.

I recently had a good-quality 380W Antec fail to provide enough juice for a stable boot using an HD7850. Lesser graphics card was fine, 7850 and a new PSU was fine. It was four years old and I'm guessing the capacitor ageing meant it couldn't feed a modern 130W graphics card anymore.
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Re: Power supply for GTX 650 TI Boost

Postposted on Tue Jun 04, 2013 1:29 pm

If it were a Seasonic or a Corsair or a handful of other big OEMs I'd say sure, no problem. I don't know anything about In Win's PSUs, though.
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Re: Power supply for GTX 650 TI Boost

Postposted on Tue Jun 04, 2013 2:04 pm

Too close IMO. 18a on the 12v rail. $170 video card and $8 powersupply isnt a good plan.

http://www.newegg.com/Product/Product.a ... 6817139027

500watt corsair, 38a on the 12v. $50 with promo code and $20 rebate (possibly $30)

Thats the way to go
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