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Power Supply Adequate?

Last response: in Components
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May 11, 2012 5:56:40 PM

i have a generic 400W power supply. i have 3 sata devices, so i split the sata power cable out of the power supply twice. is that ok to do? otherwise i would have to convert 1 of the big white connectors (forget name..molex?) to sata. does it make any difference only splitting sata once and using a molex?

i have 2 SSD's and 1 HDD (250GB). would replcing the 1 HDD to SSD make much difference as far as power needs?

had a bit of odd computer behavior (screen of death) which may not be related to the power. is there a way to check the load on the power supply?

btw, i have no graphics card.


thanks.

More about : power supply adequate

a c 1107 ) Power supply
May 11, 2012 6:23:29 PM

Please post the full system specifications.

Even if the power supply is generic it still has a make and model number.

You're not going to get an accurate answer without providing any system details.
a c 139 ) Power supply
May 11, 2012 8:14:35 PM

There should be a data plate on the side of the PSU.
Make and model of the PSU should be there, along with the specs.
How old is your PSU?

Data plate should look something like this:
Related resources
May 11, 2012 9:58:19 PM

here's the power supply:

•iMicro 400W 20+4-pin ATX Power Supply


•General Features:
•Maximum Output Power: 400 Watt
•One (1) 12-inch 20+4-pin ATX power connector
•One (1) 13-inch 12V ATX power connector
•Four (4) Large 4-pin Molex power connectors
•One (1) SATA power connector
•One (1) 4-pin floppy connector
•Built-in 80 mm fan


•Power Input:
•Switchable between 110V - 220V
•100 - 120 Vac 10A
•200 - 240 Vac 5A
•50/60 Hz


•DC Power Output:
•+5V / 30A
•+12V / 26A
•+3.3V / 28A
•+5 VSB / 2.0A
•-12V / 0.8A


other computer specs: AMD Phenom II X4
w/ Phenom II X4 965 (4 x 3.4GHz - 8MB Cache)

Biostar 880GU3+

8GB RAM
a c 139 ) Power supply
May 11, 2012 10:07:42 PM

jimlau said:
would replcing the 1 HDD to SSD make much difference as far as power needs?
Hardly any difference at all.

jimlau said:
i split the sata power cable out of the power supply twice. is that ok to do?
Should be no problem doing that.
SATA connectors supply 3.3V, 5V and 12V power. Molex provide 5V and 12V.

a c 1107 ) Power supply
May 11, 2012 10:30:27 PM

The power supply isn't under powered.

What is the blue screen message? Post the error message and any codes that may help in determining the cause of the problem.

Best solution

a c 139 ) Power supply
May 11, 2012 10:43:51 PM
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The PSU should have plenty of power for your system. Under load I'm thinking you'd barely nudge above 200W usage.


Have you tested your RAM lately? It's easy to do and if it passes you can rule out the RAM being the blue screen culprit.
http://www.memtest.org/
May 22, 2012 1:11:14 AM

Best answer selected by jimlau.
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