R9 270 on a 430W PSU?

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Would the above work okay? The machine currently has an old x1800xt which also requires 1x 6 pin PCI-E connector and that is still running flawlessly since the card came out!

The plan is to buy the card now (MSI Radeon R9 270 Gaming 2G AMD Graphics Card - 2GB), then in a couple of months replace the board, CPU and RAM to a mid range AMD setup, maybe a 6 core and 8GB of memory.

Is this plausible with keeping everything else as it is?

Many Thanks.

 

[Cal_G]

Should have mentioned the make, sorry about that!

It's a Seasonic, was expensive back in the day but never had a single problem with it. I've got a photograph of the sticker somewhere so will have a look.

Thanks for the replies.

 

[Cal_G]

This is the one:

www.silentpcreview.com/article226-page1.html

If I'm understanding it correctly the dual +12V rails combine to a total of 29A so I should be alright?

 

[Cal_G]

I've been using a molex to 6 Pin since the machine was built. Always been rock solid so figured it should still be okay to use. From what I can see the x1800xt is a power hungry card, or at least was when it was released.

The rest of the system is basic, 1x HDD, 1x SSD, optical drive and a couple of case fans.

 

[Cal_G]

Thanks for the input fellas. I'm willing to give it a go. The question now is, is a 125W AMD chip out of the question or should I stick to 95W.

 

[Cal_G]

Quick update. Will be able to get hold of a barely used 500W, namely this one:

http://www.silentpcreview.com/article241-page2.html

The review suggests one 12V is used exclusively for the CPU and the other for the rest of the system. Even if it is the case of it being split, there should still be plenty of breathing room to run the R9 270 and an FX 8320 (overclocked) from the looks of it.

 

[Cal_G]

Everything I need to replace keeps bumping the price up more and more.
I fully agree that a high quality PSU is essential. The 500W I linked to above has been used far less than my own and well taken care of. Seems a better idea to go with that one.

Thanks for the reply.