Will a gtx 770 run on a Cooler master GX 450w?

stijniman · Jul 18, 2013

Hello, i've been looking around for a while on the internet trying to find a new graphics card, and the gtx 770 just came out and I thought it would be nice to buy it ^.^. But there is one problem tho, will it run on a gx 450w PSU?

Here are my specs:

PSU: Cooler Master GX-450w
MoBo: MSI MS-7641
CPU: AMD-FX 6100 @ stock speed 3,3 Ghz and 3,6 ghz boost (not planning OC)
GPU: ASUS GTX-550 Ti
RAM: 8 gigs corsair DDR3 1333mhz I believe, not sure

Here are the specs for the GPU:
http://www.coolermaster.com/product/Detail/powersupply/gx-series/gx-450w.html

Thank you for reading

-Stijn

*Note - Not planning any overclock on the GPU

drewhoo · Jul 18, 2013

Definitely not. I'm sorry to be the bearer of bad news, but the 770 requires at least a 600W PSU. Further, it is recommended to have 42A on a +12V rail.

Edit: that PSU has 35A on the +12V rail

jinayhvora · Jul 18, 2013

i wouldn't risk it, get a 550-600W one from Antec, Corsair, Seasonic or XFX

drewhoo · Jul 18, 2013

Would you like me to recommend PSU compatible with that GPU?

You're going to have trouble finding a high-end GPU compatible with that CM PSU because it doesn't have the PCIe connectors that the 760 or 770 require. You would have to use an adaptor. And frankly, I wouldn't feel comfortable using a $5 adaptor for a 300W $400 piece of equipment.

stijniman · Jul 18, 2013

jinayhvora :

Okay, thanks for the fast reply ^^, if you have any links to a good cpu (was going around 50-70 euro's/ 60-110 dollar)

Michael-CCH · Jul 18, 2013

stijniman :

Hope you mean PSU, if you mean that get a CORSAIR TX Series CMPSU-650TX 650W

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005

Thanatos Telos · Jul 18, 2013

jinayhvora :

Not nitpicking about the wattage, but the model. The GX 450w is actually excellent.
http://www.eggxpert.com/forums/thread/323050.aspx
See for yourself.

jinayhvora · Jul 18, 2013

Michael-CCH :

stijniman :

Hope you mean PSU, if you mean that get a CORSAIR TX Series CMPSU-650TX 650W

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005

i would go for the M version of that one

gopher1369 · Jul 18, 2013

What about a Geforce 670? It's surprisingly frugal with power, only needs 30 amps so should work fine.

Dark Lord of Tech · Jul 18, 2013

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151096

SeaSonic S12II 620 Bronze 620W ATX12V V2.3 / EPS 12V V2.91 80 PLUS BRONZE Certified Active PFC Power Supply

PCI-Express Connector
1 x 6-Pin, 1 x 6+2-Pin

Get the 770 and get this to run it ^

Made by Seasonic = #1 in QUALITY and RELIABILITY.

$64.99

drewhoo · Jul 18, 2013

gopher1369 :

His PSU doesn't have the required PCIe connectors. 670 needs 2 6-pin. His PSU has 1 x 6+2-Pin. He would need an adaptor since his PSU is not modular.

Dark Lord of Tech · Jul 18, 2013

Don't forget to choose a Best Solution when you open a question thread , the forum members will appreciate that.Thanks for posting on the forum.

rwpritchett · Jul 18, 2013

drewhoo :

That was my first thought. Whatever PSU the OP goes with, he'll need 1x6-pin and 1x8-pin to power a 770.

stijniman · Jul 18, 2013

Michael-CCH :

stijniman :

Hope you mean PSU, if you mean that get a CORSAIR TX Series CMPSU-650TX 650W

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005

hahahaa sorrym I was a but sleepy ^^

stijniman · Jul 18, 2013

Thank you my friend! I will have a look at that!

Dark Lord of Tech · Jul 18, 2013

Sweet deal on a quality unit!

gopher1369 · Jul 22, 2013

drewhoo :

Exactly, that's my point, a PCIe power adaptor is, what, about £2 on Ebay? Far, far cheaper than buying a whole new power supply.

Edit: looking at UK prices a Geforce 670 is around £280.

A Geforce 770 + power supply is more like £400.

I know which one I'd go for!

stijniman · Aug 9, 2013

gopher1369 :

drewhoo :

Exactly, that's my point, a PCIe power adaptor is, what, about £2 on Ebay? Far, far cheaper than buying a whole new power supply.

Edit: looking at UK prices a Geforce 670 is around £280.

A Geforce 770 + power supply is more like £400.

I know which one I'd go for!

hmmm is it smart to run a 2 pounds adaptor on a 280 pounds gpu?

gopher1369 · Aug 9, 2013

stijniman :

I don't really understand your point, it's just 2 inches of copper electrical wire, how much should it cost?

stijniman · Aug 9, 2013

gopher1369 :

Well, IF it breaks, what are the risks? I mean, its 2 pounds

gopher1369 · Aug 9, 2013

Break? It's just a wire, there is nothing to break:

http://www.systemagnostic.com/wp-uploads/2013/01/molex_pci-e.jpg

Let's say you somehow managed to cut the wire in 2 with scissors or a knife or something somehow, then the graphics card doesn't get any power and doesn't turn on, you get a black screen on your monitor. You then go and buy another cable and it all works again.

But, you know, it's literally just a piece of copper wire that goes froms a 4 pin connector at one end into a 6 pin connector at the other.

Will a gtx 770 run on a Cooler master GX 450w?

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