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HD 3850 Power Supply Specification

Forum Graphic & Displays : Graphics Cards - HD 3850 Power Supply Specification

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Terrace   05-16-2008 at 07:35:21 PM

Just brought a HD3850 only to realize the box says requires a 450w PSU, Is that 100% accurate minimum or could i get away with using my Trust 370W Low Noise PSU?

http://www.trust.com/products/prod [...] item=14886

Thanks for the replys.

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dirtmountain   05-16-2008 at 07:44:02 PM
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This may help, it shows actual power consumption of various cards http://www.atomicmpc.com.au/forums [...] c=7&t=9354

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Terrace   05-16-2008 at 08:12:50 PM
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AGP version, if that makes a diffrence

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pauldh   05-16-2008 at 08:13:18 PM
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More important than total watts, is the 12v rating. You could easily run an HD3850 on an earthwatts 380W PSU because it's combined 12v is 27 amps. Look on the label and see what the combined +12 volt rails max is in amps or watts.

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Terrace   05-16-2008 at 08:43:26 PM
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down the list on the chart on the back of the box it reads

+12V
15A
180W

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pauldh   05-16-2008 at 08:48:07 PM
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Ouch, 15 amp 12v isn't going to cut it given a mild loaded system. How many drivers you have? What the CPU? I feel pretty safe to say You will need a new PSU.

Here is the 27 amp 12v Antec I mentioned for $30. It's quiet and a quality PSU made by Seasonic.
http://www.newegg.com/Product/Prod [...] 6817371005


Message edited by pauldh on 05-16-2008 at 08:49:18 PM
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Terrace   05-16-2008 at 09:00:07 PM
- 0 +

P4 Prescott 3Ghz
P4P800 E Deluxe
X800 Vivo (currently)
1GB of Corsair 512MB DDR400 PC3200 XML or XMS
SATA 130Gb Maxtor HD
SATA 1000Gb (1TB) HD

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robertito   05-16-2008 at 09:30:31 PM
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For $30 that earthwatts is a steal, definately get it.

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pauldh   05-16-2008 at 10:14:47 PM
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yeah, that is it, ouch. There may be cheaper ones for you.

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Terrace   05-16-2008 at 11:07:31 PM
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Better than the £60 i was going to spend on one of the certified PSU's that they suggest on the website.

Seem to be lacking replys in my other thread :P

http://www.tomshardware.co.uk/foru [...] x-question

Reply to Terrace
sniperstorm   05-17-2008 at 01:21:45 AM
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What about this powersupply will it work with this card??

Power Supply http://www.xbitlabs.com/articles/o [...] dup_3.html

Card http://www.newegg.com/Product/Prod [...] 6814102730


I am thinking the same thing, and need help also

Reply to sniperstorm
Terrace   05-18-2008 at 12:57:40 AM
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Just double checking http://www.ebuyer.com/product/120375 will work with my AGP card including all the other things i listed in my PC right?

Reply to Terrace
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