I need help with my computer Please Help

Hewlett-packard / Hpe-500f
July 26, 2012 at 17:42:09
Specs: Windows 64, 2.7 GHz / 8191 MB
Hi every one hope ur having a good day

my question is that can this power supply safely run my computer

Specs: AMD Phenom x6 (1045t)
4 RAM DDR3 Sticks (8GB)
1 Western Digital Green HDD (1.5TB , 5400 RPM SATA 3.0GB/S)
XFX Radeon 7770 Double D
DVD Combo Drive

so this is my computer, and i just bought a Cooler Master Extreme 500 W power supply, will this power supply be enough to run this computer

I went to Thermal Take PSU Watt calculator, Newegg Watt Calculator and both said that my computer will use 356W OF POWER AT Max Load

I saw some very bad reviews about this power supply and at hardware secrets they did tests and when using 400 W from this power supply it fails there test on Ripples/Noise

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July 26, 2012 at 19:07:41
Whatever a "calculator" calcultates, you add at least 15% to that total. The calculator does not take into account the full load, only what the parts require to run at desktop level.

You should not run your PC at 100% PSU capacity. Some PSU only get to about 82% of their capacity so a 400 watt PSU will olny use a maximum of 368 Watts unless it actually specifies it uses the whole 400 watts.

The video card requires a minimum of 450 watts (which includes all your other parts into that requirement) so your 500 watt should be good unless it states on the label that it does not fully use the whole 500 watts. I would expect that a 550 to 600 watts would be more the go to ensure power ditribution to all your other hardware.


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July 26, 2012 at 20:57:41
I see you double posted so I'll repeat my reply here. One of your posts will probably be deleted by the moderators.

You need to look at ALL the specs, not just wattage. The eXtreme series is on the lower end of the Cooler Master lineup. It's only 70% efficient, it lacks PFC (power factor correction), has two +12v rails, & only has a 1 yr warranty.


Better PSUs are 80% Plus Certified, have active PFC, a single +12v rail (28A or higher), & have at least a 3 yr warranty.

The Corsair 430W has all the above & usually sells for about $20-25 at Newegg (after rebate). The price recently jumped a bit, it's now $28 after promo code & rebate:


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