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Need help in choosing the right PSU

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January 16, 2012 1:20:17 PM

Hi everyone, ive been planning on building my own gaming rig. This will be my first build and i really need your help. As of the moment i store an Intel Core i5-2400 (3.1G) and Asus P8H67-M LE. Im planning to buy GPU = PowerColor HD6870 1gb ddr5. Merely gaming and a few dvd/cd drive. I wana know how much psu watts do i need. thanks :D 

More about : choosing psu

a b ) Power supply
January 16, 2012 1:22:19 PM

Hi :) 

Any reasonable branded PSU will do...500w is more than sufficient...

All the best Brett :) 
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January 16, 2012 1:42:21 PM

will a 16g ram and 1 hdd 500g 7200rpm, also affects my Power Supply need?
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a b ) Power supply
January 16, 2012 1:44:45 PM

Not significantly. Are you in the uk?
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a c 139 ) Power supply
a c 220 4 Gaming
January 16, 2012 1:46:27 PM

http://www.amd.com/us/products/desktop/graphics/amd-rad...

500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin connectors for AMD CrossFireX™ technology in dual mode)

Pick one off this list

http://support.amd.com/us/certified/power-supplies/Page...


For the most part there's almost no difference in cost between the 500 and 650 watters.....maybe $5 or $10 on this side of the pond.



I notice that you have picked an H67 based MoBo.

http://www.ukgamingcomputers.co.uk/difference-between-h...

Quote:
H67
Introduced along with the P67 chipset at launch is the H67 chipset.

Each Socket 1155 CPU all have in built graphics, and to be able to utilise that embedded graphics card the motherboard must have a video output such as a VGA, DVI or HDMI port. All H67 motherboard have at least one video output so that the CPU GPU can be used. Whilst this is a great feature it is worth noting the integrated graphics are not much cop and only really suited to HD video playback and very basic gaming. The main advantage of this is to eliminate the need for a small sub £30 graphics card and to bring down the overall cost of a workstation PC or media Centre that does not require a dedicated graphics card. The H67 like all the other chipsets does support dedicated graphics cards too, so should the need to add a higher end graphics card arise, it is a straight forward procedure.

The downside of a H67 chipset is it supports very limited overclocking even if an unlocked ‘K’ Series CPU (i5 2500K & i7 2600K) is installed. To the overclockers, this is a completely no go chipset, but for everyone building a sandy bridge system on a budget it makes a great choice.


I'd get a P67 based board, and I'd make sure it can do SLI/CF

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The following are 10 cents a watt after MIR and get a 9.5 performance rating from jonnyguru.com

$55 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
$65 http://www.newegg.com/Product/Product.aspx?Item=N82E168...

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a b ) Power supply
January 16, 2012 1:56:34 PM

JackNaylorPE said:


Pick one off this list

http://support.amd.com/us/certified/power-supplies/Page...



Not all psu's on that list are created equal. In addition there are several that are quite acceptable that are not on that list. Once you choose your wattage, just make sure that you do your research on that unit before buying. Are there enough connectors, are you happy with the 80+ rating, are there good reviews on the unit, are there bad reviews on the unit... etc.

Check this page for possible review links on the psu you are looking at : http://www.realhardtechx.com/index_archivos/Page541.htm


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January 16, 2012 2:02:23 PM

Quote:
Quote:
The H67 like all the other chipsets does support dedicated graphics cards too
,

Wait a min, does this mean my build(Asus P8h67 M LE + Ati Radeon 6870) isn't compatible with each other?
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January 16, 2012 2:21:58 PM

Best answer selected by gemdse.
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