I don't have a good PSU, so I was wondering if this would work.

HelplessRookie · Jul 27, 2017

I am kind of cheap when buying computers and parts, but I still want to be able to play on my computer.

Recently, my ASUS R7 250 broke down, so I decided to buy a new, much more powerful graphics card, that being the MSI R9 270X (2GB model).

So now, the problem is, my R7 didn't need external power via 6/6+2-pin cables, while this one needs 2x6-pin cables. I do not have any 6/6+2-pin cables from my PSU, but I do have 2 molex cables, so, this is my first question: Following this diagram, could this sort of cabling be possible and not affect the graphics card in any way?

http://imgur.com/a/dnZfO (I tried my best to make it look as good as possible; #mspaint)

Also, my PSU is really bad, a Delux 450W. So with that in mind, my second question is... On the PSU it sais that the 12V rail is only capable of 19A, but the graphics card requires much more. As long as I don't use it for very high-usage games like GTA V (just e-sports titles like CS:GO, DotA 2) will the card be doing just fine?

Thank you in advance.

okcnaline · Jul 27, 2017

Probably not.

Dark Lord of Tech · Jul 27, 2017

Don't risk your components on a very low quality PSU.
[video="https://www.youtube.com/watch?v=Ezk9OA7aKOE"][/video]

SkyNetRising · Jul 27, 2017

HelplessRookie :

This one?

... don't use it for gaming pc. It's basically mislabeled 250W psu and without any built-in protections.
You're gonna blow up your pc.

HelplessRookie · Jul 27, 2017

SkyNetRising :

You were spot on with the picture, it's the exact same PSU.

All righty-then... I will buy a new PSU too. I would never want to mess up everything just because I'm cheap. So, if my PC handled no protections on any voltage for about 3 years, would it be okay if I use a PSU with all voltages protected except the 3.3V? My exact setup is:
Mobo: Gigabyte H81M-DS2V
CPU: i3-4150
RAM: 4GB ,1333mhz, nothing specific
Also, would 550W with 31A output on 12V rail handle the graphics card with the rest of the system well enough?

Thank you so much for your answer! You saved me a bunch! Also thanks SR-71 Blackbird for your quick answer and demonstration of how unhealthy my PC is!

okcnaline · Jul 27, 2017

HelplessRookie :

SkyNetRising :

You were spot on with the picture, it's the exact same PSU.

All righty-then... I will buy a new PSU too. I would never want to mess up everything just because I'm cheap. So, if my PC handled no protections on any voltage for about 3 years, would it be okay if I use a PSU with all voltages protected except the 3.3V? My exact setup is:
Mobo: Gigabyte H81M-DS2V
CPU: i3-4150
RAM: 4GB ,1333mhz, nothing specific
Also, would 550W with 31A output on 12V rail handle the graphics card with the rest of the system well enough?

Thank you so much for your answer! You saved me a bunch! Also thanks SR-71 Blackbird for your quick answer and demonstration of how unhealthy my PC is!

550W is good; I don't think you need to worry about a certain rail not protected.

Dark Lord of Tech · Jul 27, 2017

550W with only 31 Amps is not a true 550w , should be more like 45\46 AMPS on the 12v+ rail.

HelplessRookie · Jul 27, 2017

So, this is pretty much exactly what I need, has really good reviews, and I know a friend who owns one of those.

http://imgur.com/a/7OEaK

Also, it's 33A actually, still not getting closer to your range though

okcnaline · Jul 27, 2017

What unit is it?

SkyNetRising · Jul 27, 2017

HelplessRookie :

What's the model name of that one?
It is better than your Delux model, but still .. more like mislabeled 400W unit.

Recommendation for R9 270X is at least 500W PSU.

HelplessRookie · Jul 27, 2017

okcnaline :

Segotep GTR-550
In case it's still useless, please give me an idea on what I should buy. Just slap me with a link to a spec site or something, maybe I'll find it in my country.

okcnaline · Jul 27, 2017

Hmm... No information on that company other than that it makes its own PSUs.

Perhaps a SeaSonic S12II 520W?

HelplessRookie · Jul 27, 2017

okcnaline :

From what I've seen in reviews it tends to create coil noise almost instantly and that even though it can take a lot, it's not that big of a lifespan.

I have found a 660W PSU with 4 12V rails, each performing at 18A for 20 euros more, does this sound any better?

Romania isn't really the place where to get *GOOD* parts, they're mostly german/chinese and never heard of.

okcnaline · Jul 27, 2017

Import from Belgium? https://be.pcpartpicker.com/product/3hkwrH/corsair-power-supply-cp9020102na

What model is that 660W?

HelplessRookie · Jul 27, 2017

Sharkoon SilentStorm, it's also a little bonus that it's modular, but again, mostly unheard of.
I found a retailer selling Corsair CX550 in my country, definitely looks like a good option, I might just go ahead and buy it tomorrow.

Karadjgne · Jul 27, 2017

Sad to say, but the CX is probably the best unit named so far, by a longshot. On a side note, it's a very good chance that the reason why your gpu died in the first place can be directly linked back to the lousy outputs from that cheap psu. Pc electronics are DC voltage, and much prefer to have to deal with voltage that actually looks like DC. The outputs on cheap psus have a strong tendency to look remarkably more like AC voltage than DC voltage. When that happens, something has to give, and gpus are common victims, as are storage drives.

HelplessRookie · Jul 31, 2017

Well, the graphics card came in today... Still waiting for the CX550 though. I can't wait to play games again, it's been a rough week.

https://imgur.com/iozzN0O

Thank you so much for your replies! You taught me things I never knew were "things".

I don't have a good PSU, so I was wondering if this would work.

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