PSU for a newbie

[OuchNotThatHole]

Hiya all

I finally decided to upgrade to a new graphics card due to be delivered next week but today my PSU gave up the ghost Probably lucky that it gave up today or I'd have been thinking it was a dodgy graphics card!

I really don't know anything about PSUs so I've been looking through the forums/google. I'm slowly working out what I need but thought it would make sense to ask for expert advice from the forum!

My set-up with new graphics card will be:
CPU: Intel i5 - 750
MB: Asus P7P55D
RAM: 2 x 2GB
GPU: HD6850
HD: 2 x 1 TB (not raid if that makes a difference)
2 x DVD drives
PSU: my old one was ATX12V 2.01 (is that a reference to size?)

I'd like to futureproof by getting a PSU that will run a next-gen graphics card and I think that means I also need a 6 pin power adaptor?

I was going to opt for this: http://www.ebuyer.com/product/124926

Wondering why it's so much cheaper than say this: http://www.ebuyer.com/product/263995

Any advice on a decent, basic PSU pls

 

[hunter315]

Compucase doesnt have good power supplies, and being almost half the price of the Corsair GS600 isnt a good sign. The GS 600 is the much better choice between those two, that Arctic Power unit will probably live 3 years then die suddenly, the corsair should last at least 5 years and it has 2 PCI-E connectors so you wont need adapters for a single card setup.

Also just discovered that it only has 20A on its 12V rail, i wouldnt run a 6850 on it, i think it would probably kill the unit. 20A is horribly low for a modern unit, consider the GS 600 has 48A available, more than twice as much. There is a reason that Arctic power unit needs adapters for PCI-E connectors, because its unsafe to ship it with them.
http://www.compucase-hec.co.uk/psu_arctic_power_500-600-700.htm

 

[OuchNotThatHole]

Ah thanks, I didn't know about the 20A. My head was hurting just from a quick look through forums so I'd already forgot about the amps and rail thing.

So the GS600 is a good buy, not overkill for my system?

 

[Silvune]

This is less than a quid more expensive and is what I would prefer to have:
Corsair 650TXV2 80Plus Bronze £68.78
http://www.ebuyer.com/product/257232
Which is better because amongst other things it is more efficient.

Adata HM 650 80Plus Bronze Modular £70
http://www.ebuyer.com/product/261364
This is better because it's modular, which means that you can detach some of the cables if you don't need them.

You could definitely run your system on a less powerful PSU. A 650W PSU might be a better idea if you want more upgrade options.
Antec High Current Gamer HCG-520 80Plus Bronze £58
Or the 550W version of that Adata unit.
http://www.ebuyer.com/product/245671

 

[kajabla]

Yep, quality of PSUs really matters, and you shouldn't be afraid of paying to get good quality.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028&cm_re=corsair_600-_-17-139-028-_-Product