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Started by DragonLS | | 9 answers
GTX 980 /w 650w PSU?
I'm going to be upgrading my GTX 660 at some point, and I think it's time I finally go all the way with getting a powerful GPU this gen.

However, the required wattage for the GPU (Which is 500) bothers me a little bit. Currently I have a Corsair TX650w PSU, which, btw, is around 4-5 years old, and has held up well with my constant upgrades so far.

I don't plan to overclock or SLI in the future until I get a better PSU, but I'm just asking: Will a single GTX980 (without OCing) be able to run on this PSU? These are my specs:

MOBO: ASUS Sabertooth 990FX R 2.0
GPU: EVGA GTX 660 3GB Edition
CPU: AMD FX 6350 6 Core 3.9GHz
PSU: Corsair TX650w
RAM: 8x2(16) GB Team Elite 1600mHz Dual Channel
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October 17, 2014 4:01:19 PM

DragonLS said:
Eximo said:
Sorry, I read that as thermaltake TX2, my brain is playing tricks on me.

TX650W should be fine, it is a tier 2 supply. (I still wouldn't use an adapter with it)


Why wouldn't I use an adapter with it? It's not going to catch on fire or something, is it?


I'm still using adapters on my 660's just like I did with the 560's and it's the same PSU.
October 17, 2014 3:16:50 PM

Eximo said:
Sorry, I read that as thermaltake TX2, my brain is playing tricks on me.

TX650W should be fine, it is a tier 2 supply. (I still wouldn't use an adapter with it)


Why wouldn't I use an adapter with it? It's not going to catch on fire or something, is it?
October 17, 2014 6:56:56 AM

Sorry, I read that as thermaltake TX2, my brain is playing tricks on me.

TX650W should be fine, it is a tier 2 supply. (I still wouldn't use an adapter with it)
October 16, 2014 4:05:34 PM

Eximo said:
DragonLS said:
cirdecus said:
Should be fine. Most of those ratings are inflated a bit.


Eximo said:
GTX660 is rated at 140W stock, GTX970 is rated at 165W, GTX980 is rated at 185W. So not too much of an increase. Just need to make sure you have a pair of 6-pin PCIe connectors.


My PSU comes with only 1 6-pin, unfortunately. Most cards will come with an adapter to connect two psu cables into a 6-pin, right? If I recall, anyway.


Yeah, but you shouldn't use them. TX650W from that era doesn't have the best reputation.


Are you sure? Isn't the TX range the non modular version of the original HX series?
October 16, 2014 3:48:01 PM

Eximo said:
DragonLS said:
cirdecus said:
Should be fine. Most of those ratings are inflated a bit.


Eximo said:
GTX660 is rated at 140W stock, GTX970 is rated at 165W, GTX980 is rated at 185W. So not too much of an increase. Just need to make sure you have a pair of 6-pin PCIe connectors.


My PSU comes with only 1 6-pin, unfortunately. Most cards will come with an adapter to connect two psu cables into a 6-pin, right? If I recall, anyway.


Yeah, but you shouldn't use them. TX650W from that era doesn't have the best reputation.


Why wouldn't it? The thing lasted for 4-5 years, and it was used previously to power a EVGA GTX 560 Ti. What do I have to fear?
October 16, 2014 7:51:48 AM

DragonLS said:
cirdecus said:
Should be fine. Most of those ratings are inflated a bit.


Eximo said:
GTX660 is rated at 140W stock, GTX970 is rated at 165W, GTX980 is rated at 185W. So not too much of an increase. Just need to make sure you have a pair of 6-pin PCIe connectors.


My PSU comes with only 1 6-pin, unfortunately. Most cards will come with an adapter to connect two psu cables into a 6-pin, right? If I recall, anyway.


Yeah, but you shouldn't use them. TX650W from that era doesn't have the best reputation.
October 15, 2014 2:34:53 PM

cirdecus said:
Should be fine. Most of those ratings are inflated a bit.


Eximo said:
GTX660 is rated at 140W stock, GTX970 is rated at 165W, GTX980 is rated at 185W. So not too much of an increase. Just need to make sure you have a pair of 6-pin PCIe connectors.


My PSU comes with only 1 6-pin, unfortunately. Most cards will come with an adapter to connect two psu cables into a 6-pin, right? If I recall, anyway.
October 15, 2014 2:32:42 PM

GTX660 is rated at 140W stock, GTX970 is rated at 165W, GTX980 is rated at 185W. So not too much of an increase. Just need to make sure you have a pair of 6-pin PCIe connectors.
October 15, 2014 2:24:05 PM

Should be fine. Most of those ratings are inflated a bit.

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