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What happens when you psu isn strong enough

Last response: in Components
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August 8, 2012 1:31:31 AM

Hey guys iv been looking everywhere so ok i bought a new graphic card and proccesor : MSI R7770-2PMD1GD5/OC Radeon HD 7770 GHz Edition 1GB 128-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video ... and AMD Phenom II X4 965 Black Edition Deneb 3.4GHz Socket AM3 125W Quad-Core Processor HDZ965FBGMBOX but my computer is only like 250-300watts power supply so what could happen if i plu gin my graphic cards and change my cpu? could i try it out a while or is there a big risk of damage or something thanks for answering!

More about : psu strong

a c 248 ) Power supply
August 8, 2012 1:50:19 AM

AMD recommends a minimum of a 500 watt power supply for a desktop gaming rig with one Radeon HD 7770 video card. During gaming you will use somewhere around 300 watts and sometimes briefly peak at 400 watts.

If you are lucky your psu will simply shut down. In a worst case scenario once your power supply is no longer capable of delivering any more power it will blow up and probably fry a few components.

Go over to youtube.com and search for exploding power supplies.
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a b ) Power supply
August 8, 2012 1:50:26 AM

What would happen if your PSU can't cope with the load:


+crashing games
+spontaneous reset or imminent shutdown of the PC
+freezing during gameplay
+PSU overload can cause it to break down
+bad 3D performance
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August 8, 2012 2:24:48 AM

but while i wait for my psu can i jsut install the cpu and not the graphics card?
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August 8, 2012 2:26:29 AM

so i could atleast get a better performance for the moment im switching from a 1 core 3 ghz to a 4-core 3.4
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August 8, 2012 2:29:50 AM

thanks for scaring me with power supply explosions will be ordering one soon
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a b ) Power supply
August 8, 2012 2:31:12 AM

fergydanny said:
thanks for scaring me with power supply explosions will be ordering one soon

This is peak power.

Bellow, a chart of relative power consumption. Again, the Wattage shown is the card(s) with the GPU stressed 100%, showing only the peak GPU power draw, not the power consumption of the entire PC and not the average gaming power consumption.

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a b ) Power supply
August 8, 2012 2:33:07 AM

Whats your PSU model?

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August 8, 2012 2:33:29 AM

wait i dont even know how much my current pcu has of watts i say 250 but its not even wrote on it
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August 8, 2012 2:45:52 AM

it doesnt say on the sticker do you think their is any software i could run on it to find out? whatmy psu output is?
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August 8, 2012 2:50:46 AM

damn it i just seen on the internet it has standard 250 watt
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a b ) Power supply
August 8, 2012 2:52:41 AM

It should be on the PSU.
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a c 248 ) Power supply
August 8, 2012 2:52:58 AM

GEEZ! Just a standard 250 watt power supply. Not good.
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August 8, 2012 2:53:48 AM

so i should wait for a psu before trying to install any of this but is my mobo good to add that cpu and gpu?
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August 8, 2012 2:54:13 AM

and also which psu would you recommend ?
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!