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Old Jul 7, 2007, 01:01 AM   #1
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VVanks
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Default Are power supply quality a big deal now?

I'm planning on building the following:

8800GTS
Core 2 Duo
2 gigs of DDR2
5 harddrives

The key is, what sort of powersupply would be healthy for that system?

I'm seeing 350 watts for 20 bucks and 500 watts for 100. Do I need an expensive power supply to make sure my computer doesn't get damaged? What happens if I use a cheap power supply.
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Old Jul 7, 2007, 01:08 AM   #2
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Powersupply quality has always been a big deal. It provides the life juice for every single piece of hardware in your system.

Don't ever, ever, ever buy an al-cheapo crap power supply just to "get by".

Cheap power supplies can mean lower ratings then advertised, unstable voltages, low effiencies, etc...

Also, you will want larger than a 500W PSU for that setup. A NICE 500W will probably do as I'm running a 550W(Antec TruPower2.0) on mine...but it's the PSU I've been using and honestly I don't feel comfortable with it.

I'll be upgrading soon to this:
http://www.newegg.com/Product/Produc...82E16817153043

I'm still looking into them and will probably change my mind again, but I'm an SLI fan so I'm just looking for the best power supply to handle dual 8800GTX's and a Core2Duo.
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Old Jul 7, 2007, 01:14 AM   #3
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well, back when I bought my comp, everyone just said meh 350watts is good enough. Nobody actually cared much about power supply.
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Old Jul 7, 2007, 02:25 AM   #4
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Quote:
Originally Posted by OverclockN' View Post
Powersupply quality has always been a big deal. It provides the life juice for every single piece of hardware in your system.

Don't ever, ever, ever buy an al-cheapo crap power supply just to "get by".

Cheap power supplies can mean lower ratings then advertised, unstable voltages, low effiencies, etc...

Also, you will want larger than a 500W PSU for that setup. A NICE 500W will probably do as I'm running a 550W(Antec TruPower2.0) on mine...but it's the PSU I've been using and honestly I don't feel comfortable with it.

I'll be upgrading soon to this:
http://www.newegg.com/Product/Produc...82E16817153043

I'm still looking into them and will probably change my mind again, but I'm an SLI fan so I'm just looking for the best power supply to handle dual 8800GTX's and a Core2Duo.
I don't know about Thermaltake PSUs, the last I read, they had a bad reputation for being crap.
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Old Jul 7, 2007, 02:37 AM   #5
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Quote:
Originally Posted by Dr Gonzo View Post
I don't know about Thermaltake PSUs, the last I read, they had a bad reputation for being crap.
I guess I'd like to know if that's still true. And if people think it...why?
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Old Jul 7, 2007, 10:50 AM   #6
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Dont ever buy a cheap powersupply or a cheapass powersupply theres a difference between those two lol. Cheap powersupply= the XG (crappy case maker) 700 watt psu for 110 bucks. Cheapass powersupply = the Hanbook or w.e. wierd name 400 watt psu for 20 bucks. The cheapass powersupply might just go on fire (happened to a friend of mine), and the cheap powersupply most likely will just die and come no where near its rated wattage. Better to buy a dam good powersupply to start with, reduces the risk of it running your system components and does exactly what you expect. Don't be cheap with components that are important for your computer to run properly, you will only end up paying more at the end.
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Old Jul 7, 2007, 01:10 PM   #7
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For that system, get a Corsair HX Power Supply.

520W
http://www.newegg.com/Product/Produc...82E16817139001

620W
http://www.newegg.com/Product/Produc...82E16817139002

Although, I don't always agree about the avoidance of cheap power supplies. My dad's system has been running off a CompUSA brand PSU for a while. My sister's was as well until I made her upgrade her case to an Antec that included a 450W Antec PSU. I am trying to sell some custom built low-end PCs with 350W Rosewill PSUs as well that have recieved decent reviews. I think for low-end internet PCs a low-end PSU is fine, but when you're building a gaming rig don't cheap out on the PSU!
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Old Jul 7, 2007, 03:09 PM   #8
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Yes, PSU quality is very important. I have owned cheap PSUs in the past and almost all of them had all sorts of problems handling my system. Two of them even blew up.

But since I upgraded to this Thermaltake TR2 430W PSU about a year ago, I have not had a single problem. And it's not really that expensive, just $48 shipped. I would highly recommend it (and so would the 1000+ reviewers on Newegg).

EDIT: Found that TR2 PSU for $25 after $15 rebate with free shipping on ZipZoomFly. Click here!
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Old Jul 7, 2007, 05:48 PM   #9
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Cheap 'n nasty supplies were always out there. It's just that in the last few years most people have been able to afford to upgrade their systems to the point where even an average system is capable of now showing one up.
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Old Jul 8, 2007, 09:19 AM   #10
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Do I really need a 500-600W powersupply? I mean these things go up to 200 bucks. I'd rather spend that on more ram and such.

I was looking at a 450W powersupply. Would it not work?
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Old Jul 8, 2007, 09:42 AM   #11
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Basically anything of good quality, around 500W will be fine for that system. It depends on how much you want to spend? You could get a slighty beefier PSU, and have the extra piece of mind, and it will mean you will need to upgrade it later, rather than sooner, in the future.

Corsair's HX PSU's are excellent PSU's and there pretty good value as well. They have 1 single rail, which is better than multiple rails.

Id probably shop around and try and find a good deal on the 620W HX if i was you, though a 520WHX would handle the system fine.

Other good PSU brands would be:
-Silverstone
-Antec
-Enermax
-PC Power & Cooling
-Zippy
-Ultra
-Seasonic
-OCZ

Most brands make various models, which vary in quality.

www.jonnyguru.com is an excellent site, and he's pretty much known be to one of the most knowledgable and best reviwers around of PSU's.

Once you start SLI 8800's with a Quad Core, and loads of other crap, heavily overclocked, then you need 750W+ excellent PSU's, but otherwise you don't need anything that powerful.
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Old Jul 9, 2007, 04:20 AM   #12
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Corsair HX620w for $154 before rebate and $134 after at NCIX here
Corsair HX520w for $109 before rebate and $99 after at NCIX here

Reviews
Both
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HX620w
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HX520w
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