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Will 300W Power Supply handle the Radeon 7750

Last response: in Graphics & Displays
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January 31, 2013 3:06:27 AM

I have a hp p7-1446s Processor speed 3.4, CPU 4MB L2, Desktop Memory 8GB, AMD Quad-Core A10-5700 with a 300W Power Supply. My question is can this system handle a Radeon 7750 Video Card, at present time it has a Intergrated Card HD7660D.
a b U Graphics card
a b ) Power supply
January 31, 2013 3:09:34 AM

AMD recommends a 400w power supply. It might work but if the card it put under load, your psu could fry.The psu included with the computer is most likely mediocre. Not worth the risk.
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a c 365 U Graphics card
a b ) Power supply
a b α HP
January 31, 2013 4:18:03 AM

Yes. A 300w PSU can handle a Radeon HD 7750. HP PSUs are decent enough for the task. The Radeon HD 7750 only consumes 43w at peak power.
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January 31, 2013 4:35:22 AM

Azn Cracker said:
AMD recommends a 400w power supply. It might work but if the card it put under load, your psu could fry.The psu included with the computer is most likely mediocre. Not worth the risk.


This is a load of crap.
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a c 182 U Graphics card
a b ) Power supply
January 31, 2013 5:30:31 AM

Please tell +12ratings on psu sticker.
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a b U Graphics card
a b ) Power supply
January 31, 2013 7:23:09 AM

Mastashake15 said:
This is a load of crap.


that not entirely true, it will back to how good is it's 300w PSU...

is it true/good ones or some overrated 'junk' PSU...

edit: btw labels can deceive (especially in "unknown" maker)
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January 31, 2013 5:01:54 PM

ASHISH65 said:
Please tell +12ratings on psu sticker.

+12va......12.0A +12vb.....16.0A PSU-Lite-On Technology, rated Standard Efficiency.
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January 31, 2013 5:13:49 PM

jaguarskx said:
Yes. A 300w PSU can handle a Radeon HD 7750. HP PSUs are decent enough for the task. The Radeon HD 7750 only consumes 43w at peak power.

PSU is a Lite On Technology, rated standard Efficiency DC output +12va....12.0A and +12vb....16.0A Good for 300w if temperature does not get above 77 degrees, then wattage starts to drop above that, don't know total wattage that system may use.
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a c 365 U Graphics card
a b ) Power supply
a b α HP
January 31, 2013 5:38:35 PM

You're fine. Lite On PSUs are of at least average quality which is all you really for something that is not very demanding.

The amps on the +12v rails are peak amounts rather than continuous. Unfortunately, most PSU manufacture use peak amounts rather than continuous. I know it is peak amounts because 12 amp + 16 amps = 28 amps. 28 amps x 12 volts = 336 watts. That's more than the PSU is rated for and it does not take into consideration the power used on the +5v and +3.3v rails.

Nevertheless, Lite On should be fine.
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January 31, 2013 6:07:22 PM

jaguarskx said:
You're fine. Lite On PSUs are of at least average quality which is all you really for something that is not very demanding.

The amps on the +12v rails are peak amounts rather than continuous. Unfortunately, most PSU manufacture use peak amounts rather than continuous. I know it is peak amounts because 12 amp + 16 amps = 28 amps. 28 amps x 12 volts = 336 watts. That's more than the PSU is rated for and it does not take into consideration the power used on the +5v and +3.3v rails.

Nevertheless, Lite On should be fine.

Will using high resolutions on my pc monitor while gaming affect performance?
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January 31, 2013 10:29:22 PM

Best answer selected by gary39.
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