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Is my power supply good enough?

post #1 of 9
Thread Starter 
Hi.

I recently built my first comp and I got what I thought at the time was a good deal on a power supply. Problem is that it turns out to be a rip off in a way. I got the Raidmax 630w PSU in my sig.

Raidmax 630w PSU

It sounds like a good power supply for 40$ after rebate, but after looking through the manual, it says it only provides 360 watts on the 12v rails. A review on newegg confirms this too. Seems very weak for a 630w.

I recently added some fans to my case for cooling. When I added the fans, I noticed the 12v rating in HWmonitor drop to 11.84v. It was around 11.9 when running the ATI Tool's Artifact Scanner. Should I be worried about this? Also, Everest reads 12.45v instead of 11.9v when both it and HWmonitor are running. Which one is right? I do plan to overclock my system a bit further.

I have the following:
2x Scythe Slipstream 110cfm Fans
1x Scythe S-Flex SFF21F
1x Standard CM 120mm Fan (Came with the case.)
1x Standard CM 80mm Fan (Also came with the case.)
1x Cheap 40mm Fan for NB
Single 9600GT
3Ghz Q6600 which I plan to overclock to 3.6Ghz.

If I overclock my Q6600 to 3.6Ghz, will my PSU be able to handle it? It seems to have less watts on the 12v rails than normal 500w power supplies. I also might be getting a Scythe Ultra Kaze as well.

Will my PSU be able to handle all of that (Including 3.6Ghz Q6600) and also a possible extra 120mm fan (Ultra Kaze)?

Thanks for reading!
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post #2 of 9
Get rid of that thing. Indeed, weak on the 12V rails, and it's a Raidmax... ugh. Not exactly the best brand of PSUs.

this 450W Corsair already has more oomph on the 12V rails...
http://www.buy.com/prod/corsair-vx-4...205466485.html (33A on a single 12V rail)

And for a bit more, you can get this 550W with 41A on a single 12V rail (more than plenty for your rig):
http://www.buy.com/prod/corsair-vx-5...205852646.html
    
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post #3 of 9
What about Antec EarthWatts EA 650? SeaSonic OEM ftw
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post #4 of 9
I prefer the Corsairs (channelwell OEM) over the Earthwatts to be honest.
    
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post #5 of 9
Thread Starter 
Thanks for the help! I did have a bad feeling on the power supply.

I was already looking around for a good replacement due to the horrible 12v ratings which are probably the most important rails/voltage in a computer.

Should I get the 650w Corsair PSU off Buy.com? Which one fits my fan needs and over clocks. The 650w looks good for the price and about 280 more watts on 12v rails or something like that. I might upgrade other parts in the future. I ask this since I'm already probably going to spend at least 50$ for a power supply, I might as well throw in 20-40 more to avoid having to spend 80$ more if I do upgrade parts in the future

Modular would be a plus since the Raidmax I have right now is modular and the cabling is near perfect for me in my Centurion 5 case. If I don't get a modular supply, I'll have to do a lot of cable management without cuttings holes and modding my case physically.

Quick fan question. A few of my fans are connected through 4pin molex adapters. All of them end up plugging into a single molex plug in the power supply. Should I split them up?

Corsair PSUs looked great for performance and price buying from Buy.com.

Sorry if I happen to be confusing. Basically, I'm asking for a strong power supply (Corsair probably) that's also good for upgrades in the future and also modular (because my case is tight on space where I can shove cables in).

--Edit--
Right now, I'm looking at these PSUs
http://www.buy.com/prod/corsair-tx-6...206178324.html
http://www.buy.com/prod/Corsair_HX62...203270718.html

Thanks for the help!
Edited by Rpg2 - 5/12/08 at 7:58pm
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post #6 of 9
That's indeed a question of modular or not. Both are excellent PSUs (the TX650 is a Channelwell OEM, while the HX620 is a Seasonic OEM). Just to be sure you are sure: the TX650 is NOT modular.

Some reviews from Jonnyguru for your reading pleasure...
HX620: http://www.jonnyguru.com/modules.php...=Story&reid=21
TX750 (The TX650 is based on the same platform): http://www.jonnyguru.com/modules.php...=Story&reid=73

Finally, for your CURRENT rig (and even with a seriously updated video card), the HX520 isn't a bad choice at all... 40A on the 12V rails is quite some power.
Review: http://www.jonnyguru.com/modules.php...=Story&reid=73
Edited by Chozart - 5/12/08 at 8:09pm
    
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E8400 @ 3.8 GHz DFI LANPARTY DK X38-T2R eVGA 8400GS 2GB Mushkin DDR2 800 (single stick) 
Hard DriveOptical DriveOSMonitor
250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
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post #7 of 9
Thread Starter 
Thanks for the links Chozart and your expertise.

I'll probably be getting the 520HX or 620HX. I want modular for sure. Since I'm paying for about 120 more watts on the 12v rails if I got the 520HX, should i just throw in the extra 30$ and get the 620HX? If I get the 620HX, I'll be paying 30$ more for about 120 more watts than the 520HX.

I'll be getting the power supply off Buy.com since the Google checkout deal/offer as well as the free shipping.

Basically, it's like this:

70$ for the 520HX (120 more watts over current Raidmax PSU)
105$ for the 620HX (240 more watts over current Raidmax PSU)

35$ more for 120 more watts than 520HX.
What's the better deal since I'm already spending 70$ for sure for the 520HX? I see that it's probably better to throw in 30$ more and get double the watts over my current PSU, but could use a expert's advice.

I know I'm repeating things over and over and asking the same questions, but thanks for putting up with it!
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post #8 of 9
I'd say it's a good idea to get the 620 if you can spare the $35. For one it's impossible to do better for that price and a year or two or three down the line when you go to upgrade again, that extra 100W may come in handy and prevent you from having to buy a new psu.
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post #9 of 9
For your current rig, either will serve you fine

I'd get the 620 if you plan on upgrading though
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