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What size power supply?


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8 replies to this topic

#1 hedgeley

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Posted 11 December 2010 - 04:43 AM

Hi all,
After slowly upgrading my system I find the only OEM parts left is the case and the PSU rated at 300W
I would like to know what size PSU will suit my system and what deference will I see if any.
<<<System Summary>>>

>Mainboard: FOXCONN M61PMV
>Chipset: nVidia 6100V
>Processor: AMD Athlon II X4 620@2600 MHz
>RAM: 4096 MB (2x2048 DDR2-SDRAM)
>Video Card: ATI Radeon HD 4550
>Hard Disk: ST310005 (1000 GB)
>Hard Disk: ST316002 (160 GB)
>2x DVD- Rom Drives
>OS: Windows XP Home 5.01.2600 SP3

THANKS in advance

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#2 cryptodan

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Posted 11 December 2010 - 04:47 AM

I would recommend this one: CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply for the shear fact that if you plan to upgrade any component you will be covered. It is about the only Sub 100 dollar power supply that I recommend.

#3 hedgeley

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Posted 11 December 2010 - 05:59 AM

THANKS for that I will price it up over here(UK)
can I expect any difference's in how the system runs
(what are the pro's and con's of more or less power?)

#4 cryptodan

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Posted 11 December 2010 - 06:09 AM

the system will run as you expect it to run with any power supply. The only pro of using more power is the fact if you upgrade you wont have to worry about another power supply.

#5 hedgeley

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Posted 11 December 2010 - 06:33 AM

Thanx cryptodan

I guess what I'm trying to ask(badly) is why 650W, whats wrong with my old 300W or will it do the job

#6 bluesjunior

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Posted 11 December 2010 - 07:57 AM

Check out your parts at the following link to see how much power you need. strange thing about electricity but it is more efficient to have an adequate power supply running hard than an overpowered one idling.
http://www.antec.outervision.com/

(Edit) According to my reckoning using your list in the OP I came up with 243Watt, so your existing PSU is more than capable.

Edited by bluesjunior, 11 December 2010 - 08:12 AM.

Motherboard: Gigabyte GA-MA770T-UD3, CPU: AMD Athlon II X3 450 Processor, Memory: OCZ 4GB (2x2GB) DDR3 1333MHz,Graphics: PowerColor HD 5750 1GB GDDR5,
PSU: Corsair 430W CX PSU 4x SATA 1x PCI-E, Hard Drive:Samsung SpinPoint F3 500GB Hard Drive SATAII 7200rpm 16MB Cache.

#7 Wildabeast

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Posted 11 December 2010 - 10:26 AM

Some games, the video hungry ones, will run better with a bigger power supply. I had an old puter with a 300w PS in it years ago. It ran good, but with some games it would slow down and video would jerk. I put in a larger PS and it cleared up. :blink:
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#8 hedgeley

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Posted 11 December 2010 - 12:51 PM

@bluesjunior and wildabeast

Much appreciated advice and thanks for the link

And Kudos to cryptodan

Love to you all, again thankyou

Have a Festive season

Hedge

#9 Blaze413

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Posted 11 December 2010 - 01:19 PM

probably a little late to add to this post but another pro of having a sufficient psu is that if u upgrade say ure grahics card and u dont have enough power u run the risk of frying the card...happened to my friend not to long ago




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