Psu recomendations

[Justboy]

Hi, i'm aiming to build a system with the below specs, but i'm clueless as to what psu would be fine,
I'm in the very expensive uk and my budget is £500 - 750 ($820 - $1230)
I plan to get the case psu and harddrive this month and the rest next as i'm hoping the new amd chips will cause
the I5 2500k to drop *crosses fingers*

P8p67 asus pro
i5 2500k
500Gb sata 2 hard drive with a solid state boot drive later
8gb Ram (to many to pick from i'll be asking for recomendations later)
GeForce GTX 550 T or any arround that price

I was wondering if this one would be fine
http://www.overclockers.co.uk/showproduct.php?prodid=CA-148-AN

i'll be using aria.co.uk or overclockers.co.uk

 

[ko888]

Hi, i'm aiming to build a system with the below specs, but i'm clueless as to what psu would be fine,
I'm in the very expensive uk and my budget is £500 - 750 ($820 - $1230)
I plan to get the case psu and harddrive this month and the rest next as i'm hoping the new amd chips will cause
the I5 2500k to drop *crosses fingers*

P8p67 asus pro
i5 2500k
500Gb sata 2 hard drive with a solid state boot drive later
8gb Ram (to many to pick from i'll be asking for recomendations later)
GeForce GTX 550 T or any arround that price

I was wondering if this one would be fine
http://www.overclockers.co.uk/showproduct.php?prodid=CA-148-AN

i'll be using aria.co.uk or overclockers.co.uk

A reference clocked GeForce GTX 550 Ti has a Graphics Card Power of 116 Watts. That means it will draw up to 9.7 Amps from the +12 Volt rails.

For a single GeForce GTX 550 Ti system a 400 Watt or greater power supply with a +12V current rating of 24 Amps and at least one 6-pin PCI Express supplementary power connector is recommended.

For two GeForce GTX 550 Ti graphics cards in 2-way SLI mode system a 500 Watt or greater power supply with a +12V current rating of 32 Amps and at least two 6-pin PCI Express supplementary power connector is recommended.

The Radeon HD 6790 is also in the GeForce GTX 550 Ti's price range and is a little more powerful.

A reference clocked Radeon HD 6790 has a Max. Board Power of 150 Watts. That means it will draw up to 12.5 Amps from the +12 Volt rails.

For a single Radeon HD 6790 system a 500 Watt or greater power supply with a +12V current rating of 27 Amps and at least two 6-pin PCI Express supplementary power connector is recommended.

For two Radeon HD 6790 graphics cards in 2-way CrossFireX mode system a 600 Watt or greater power supply with a +12V current rating of 40 Amps and at least four 6-pin PCI Express supplementary power connector is recommended.

The Antec High Current Gamer 620W (HCG-620) Power Supply, that you have linked to, has the +12V rail current capacity to handle a system with two GeForce GTX 550 Ti graphics cards in 2-way SLI mode or two Radeon HD 6790 graphics cards in 2-way CrossFireX mode.

 

[kajabla]

I don't think it makes sense to get a 2500K and a GPU as weak as the 550 Ti. For better gaming performance, you could get an x4 965 and a 560 Ti ($200 on newegg after rebate).

 

[ignoranceabound]

For that price get a GTX 460 768; it's much faster than the GTX 550 Ti.

If anything get a i3-2100 and upgrade to a i5 later down the line. Don't get stuck with Phenom and only have more outdated Phenoms as an upgrade path.

 

[jockey]

I don't see any reason for Intel to lower the prices on Sandy Bridge components with AMD BD release. AMD has been lowering prices of the Phenom II X2s and X4s though.

 

[Onus]

ko888 = "Best Answer." Very thorough.

As to the OP's choice of a GTX550Ti, he didn't say anything about playing games, or which ones, so the automatic assumption that the card will be weak is based on idle speculation.
If stronger graphics is desired, the chosen PSU would power a single GTX560Ti very nicely.

 

[ignoranceabound]

The card is still a horrible choice considering the 460 costs the same and the HD 5830 costs even less. The point of an upgrade path is a performance increase and not just to save money. All the Phenom II X4s are pretty much the same so he'll have no upgrade option later on. On the other hand there's a huge jump from the i3-2100 to an i5-2500.

The Antec HCG series are overpriced and inferior in quality compared to their other products such as the NEO ECO 620W or EA series.