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Do i have enough power?

post #1 of 19
Thread Starter 
Do i have enough power in my main system? it has a 500w power supply and speedfan reads 10.24v on the +12v and -1.83v on the -12v. I calculated what i need on newegg and the calculator said 638w needed. Is this expecting that i am burning two discs, playing crisis, and running prime95; or is this realistic?
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post #2 of 19
Three things.

1. Software voltage monitoring is worthless, you need to measure witha digital multimeter

2. Newegg's PSU calculator is a scam, they're trying to sell you higher wattage (and thus higher profit margin) PSUs.

3. Your PSU still may not be very good, could you specify the brand and model?
post #3 of 19
Thread Starter 
Athenatech PS-500WAF 500W Absolute Force
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post #4 of 19
Did you have this case/PSU combo?
http://www.newegg.com/Product/Produc...-098-_-Product



Assuming Athenatech is the company I think it is, then it's a piece of trash regardless and probably struggling with your system. Can't be certain because I haven't seen that unit opened up, but I highly doubt it can actually supply 500W of usable power.
post #5 of 19
Thread Starter 
That is the psu but i bought it by itself for a different system which i upgraded from. What do you think i should have. i kinda like the idea of a modular psu but they are expensive. also i may upgrade to SLI cards eventually.
Edited by sunwolf - 2/22/11 at 9:19am
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post #6 of 19
post #7 of 19
Quote:
Originally Posted by Phaedrus2129 View Post
Holy crap. Man, that is a cheap price. OP, jump on this offer as fast as you can. That's a great price for a high-quality PSU.

OP, sorry to say, but your current PSU is crap. You should definitely upgrade. I do not think it will even be able to provide 350W of reliable power.
    
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post #8 of 19
Thread Starter 
so what does 400w continuous power mean? is it that this can go to something like 600 when it needs too? and will this handle SLI cards?
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CM storm EVGA Supernova 850W Thermaltake Level 10 GT RAT 7 
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Harmon Kardon Soundsticks III Wireless 
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Phenom II B55 NB@2.8 asus m4n75td Asus GTX 460 sli 16gb ddr3 1600 G-skill 
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antec 650w 
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post #9 of 19
Continuous power means that that is what it can sustain for hours at a time, versus peak ratings that a PSU can only manage for minutes or seconds. For instance, your current PSU may do 500W peak, then catch on fire. The Antec can do 400W all day long.


For SLI you'll need a decent 650W PSU. What's your budget?
post #10 of 19
When I run Prime95 Blend and EVGA OC Tuner at the same time, my system does not go over 475 Watts. (Measured with my Zalman Controller) I thought that might put things into perspective.

Technically, that PSU is not properly equipped to handle SLI. It only has 1 PCI-E. You need 2. Just keep that in mind if you want SLI in the future, like you said.

Good deal for sure!
 
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