Okay so I want to get a evga gtx 460 1gb (the one that uses 2 6 pin connectors) and I have a Corsair CX430. Is it safe to use the 6 pin from my psu with a molex to six pin adapter. So basically does my psu have enough wattage. I have 32amps on the 12v rail.
Is my psu enough?
- Thread starter WalvisM
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Philfreeze
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- Jan 24, 2015
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32A is more than enough, your GPU will draw somewhere around 160W under load which means about 13A.
Philfreeze
Reputable
- Jan 24, 2015
- 33
- 0
- 4,560
Core 2 Quad q9400: Idle=150W; Load=190W with oc maybe 30W more (Really depends on the chip and how much you OC it)
MB maybe 40W
DVD drives about 20W each
HDD about 8W each
RAM about 3W each, lets say you have 2
Fans about 5W each, lets say you have 3
your GPU: max 160W without OC and again maybe 30W more
Max Load will probably be when the GPu and CPU run at max, the fans are at max and one DVD drive is running so we get:
190W+30W+40W+20W+2*8W+2*3W+3*5W+160W+30W=507W
The OC will probably not add so much and my values are all more in the high consumption area so it will probably be more around 480W
This means that your PSU could be able to let everything run at max load for maybe 5s (peak load) and then it will kind off die or the voltages will drop.
I think you should buy another one. It should have more than 530W to really function as good as possible (A PSU should run at aabout 90% to have enough room for peaks and because most of the time the efficiency drops massively after 95%
If you want to be really save go for a 600W supply and make sure that the quality of the supply is good (read reviews etc.) this will increase your system performance, it is saver for the system and you can probably OC more because the voltages have less ripple.
Update:
http://www.buildcomputers.net/power-consumption-of-pc-components.html
A handy site to calculate your power consumption. Look up the GPU and CPU seperatly because they draw the most.
MB maybe 40W
DVD drives about 20W each
HDD about 8W each
RAM about 3W each, lets say you have 2
Fans about 5W each, lets say you have 3
your GPU: max 160W without OC and again maybe 30W more
Max Load will probably be when the GPu and CPU run at max, the fans are at max and one DVD drive is running so we get:
190W+30W+40W+20W+2*8W+2*3W+3*5W+160W+30W=507W
The OC will probably not add so much and my values are all more in the high consumption area so it will probably be more around 480W
This means that your PSU could be able to let everything run at max load for maybe 5s (peak load) and then it will kind off die or the voltages will drop.
I think you should buy another one. It should have more than 530W to really function as good as possible (A PSU should run at aabout 90% to have enough room for peaks and because most of the time the efficiency drops massively after 95%
If you want to be really save go for a 600W supply and make sure that the quality of the supply is good (read reviews etc.) this will increase your system performance, it is saver for the system and you can probably OC more because the voltages have less ripple.
Update:
http://www.buildcomputers.net/power-consumption-of-pc-components.html
A handy site to calculate your power consumption. Look up the GPU and CPU seperatly because they draw the most.
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