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Power Supply upgrade for Emachine T3256

Last response: in Components
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July 20, 2010 4:46:52 PM

My system is an Emachine T3256 with a 300w power supply. I recently bought a HD 4670 graphics card that requires at least 400 watts of power. I would like to know what 400-450 watt power supplies would be compatible for my system.

I think my case is a micro-ATX. It appears that the hard drive bracket is mounted onto the PSU assembly thus I will need holes on the upgraded unit to accomodate for this.

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a c 139 ) Power supply
a b U Graphics card
July 20, 2010 5:29:13 PM

There is a good chance your 300W will be just enough to power your 4670.
It might be worth giving it a try.
If you think you need to go ahead and upgrade look at the Corsair 400CX 400W PSU $50 and $20 rebate
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a c 139 ) Power supply
a b U Graphics card
July 20, 2010 5:30:01 PM

Checking on that HD mounting issue now.
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a c 139 ) Power supply
a b U Graphics card
July 20, 2010 5:39:51 PM

It doesnt look like the HD cage is attached to the PSU. Based on the Emachine T3256 manual
Go ahead and download the manual, make sure your system is the same then check page 170 Adding or Replacing a Hard Drive and look at page 173 Replacing the Power Supply.
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July 21, 2010 11:23:20 AM

WR2: You are right, the HD cage is not attached to the PSU. I must have been mistaken. Thank you for the manual. It will come in handy if I do decide to upgrade.
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July 21, 2010 11:29:38 AM

WR2: At first I had trouble installing the 4670. The lights would come up on the board but the system would boot. It would only give a post error beep -constant long beeps. I then attached a power cable to the "optional" power connector on the graphics card. Come to find out, it is no so optional in this case. The directions have it listed as optional -haha. Everything is working now.

New question: How can I tell if the card is too much for the system? I don't want to get to the point of overload to find out after the fact that it was a bad idea. Also, does the card suck more juice while it is rendering detailed graphics - like if I were to run StarCraft 2 under ultra mode?
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July 21, 2010 12:38:33 PM

Best answer selected by sanderson73.
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a c 139 ) Power supply
a b U Graphics card
July 21, 2010 12:42:53 PM

sanderson73 said:
Also, does the card suck more juice while it is rendering detailed graphics - like if I were to run StarCraft 2 under ultra mode?
Yes it does. It will hit peak demand running the detailed 3D graphics.
SC2 would be a good test to see if the PSU will hold up. It will be easy to tell if the PSU isn't up to the task.
First sign might be the PSU working extra hard - loud fan and blowing hot air out the PSU fan. And if it can't hack the power demand you'll see shut downs, or game freezes.
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