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How do I know if a PSU is compatible with a PC?

Tags:
  • Power Supplies
  • HP Pavilion
  • Graphics Cards
  • Nvidia
  • Asus
  • Compatibility
Last response: in Components
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March 9, 2014 11:39:52 AM

Hi,
I'm upgrading to a HP Pavilion but the graphics card built in is quite poor so I was going to upgrade that as well to a GTX660Ti. The motherboard has the right PCI slot and I think it should fit in the case, but the wattage is not enough. I was going to buy the Powercool Modular 550W (You need to have at least 500W for the 660Ti) but I'm not sure what else I need to check to make sure that it will be compatible with the computer and the graphics card. If anyone could tell me what I need to look for to make sure it's compatible that would be great!
Many thanks! :D 

More about : psu compatible

a c 106 ) Power supply
a c 190 U Graphics card
a c 88 Î Nvidia
a b Ĉ ASUS
March 9, 2014 11:45:05 AM

Get quality good PSU from XFX, Seasonic, Corsair and Antec so i would suggest you this PSU

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX XTR 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($89.99 @ Newegg)
Total: $89.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-09 14:44 EDT-0400)
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March 9, 2014 11:48:16 AM

Thanks! :)  But what do I need to look for to make sure it's compatible?
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a c 106 ) Power supply
a c 190 U Graphics card
a c 88 Î Nvidia
a b Ĉ ASUS
March 9, 2014 11:52:40 AM

PianoDude said:
Thanks! :)  But what do I need to look for to make sure it's compatible?


You have to look for GPU requirements on your card and single GTX-660ti requires 450W or greater PSU but with 550W you can even run GTX-770!
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March 9, 2014 11:53:52 AM

If you're shopping for a power supply, there are 2 things primarily for compatibility. First - PCIe 6/6+2 pin plug. Your graphics might need one, or two, or if you use multiple graphics cards, more. Second - 12v rail amps. Your CPU under load will use a maximum amount of power, same as your graphics. Add the 2 wattages together and that's the load on the 12v rail. You don't want your computer to run at 100% load on any rail for long periods of time, so it's better to aim for 80% load. Change that from Watts to Amps by dividing by voltage (12v rail). ((Graphics Wattage + CPU Wattage) / 0.8) / 12.
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a c 106 ) Power supply
a c 190 U Graphics card
a c 88 Î Nvidia
a b Ĉ ASUS
March 9, 2014 11:54:00 AM

And you have to look for amps on a 12v rail to be sure that your PSU have enough amps on a 12v rail!
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a c 2477 ) Power supply
a c 924 U Graphics card
a c 80 Î Nvidia
a c 390 Ĉ ASUS
March 9, 2014 11:59:02 AM

This one is compatible , and it's made by the best = SEASONIC.

It's OEM sized so should fit.

Has 44 amps on the 12 volt rail more than enough to run your specs.

Dimensions
5.5" x 5.9" x 3.4"


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-09 14:56 EDT-0400)
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March 9, 2014 12:02:36 PM

Excellent! Thanks everyone! :D 
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a c 2477 ) Power supply
a c 924 U Graphics card
a c 80 Î Nvidia
a c 390 Ĉ ASUS
March 9, 2014 12:10:18 PM

Glad to help.
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March 9, 2014 12:24:05 PM

Sorry, last question! That PSU is definitely compatible with an Intel Core i5-4440 3.1GHz Quad-Core processor (it's a Pavilion 500-120ea) and an Asus GeForce GTX 660 Ti-DC2-2GD5 2GB graphics card, isn't it? Sorry to be a pest, just really want to make sure before I buy! And thanks again! :wahoo: 
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Best solution

a c 106 ) Power supply
a c 190 U Graphics card
a c 88 Î Nvidia
a b Ĉ ASUS
March 9, 2014 12:25:08 PM

PianoDude said:
Sorry, last question! That PSU is definitely compatible with an Intel Core i5-4440 3.1GHz Quad-Core processor (it's a Pavilion 500-120ea) and an Asus GeForce GTX 660 Ti-DC2-2GD5 2GB graphics card, isn't it? Sorry to be a pest, just really want to make sure before I buy! And thanks again! :wahoo: 


Yes it's 100% compatible! you'll be fine :) 
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March 9, 2014 12:28:48 PM

Thanks again!!! :wahoo: 
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a c 106 ) Power supply
a c 190 U Graphics card
a c 88 Î Nvidia
a b Ĉ ASUS
March 9, 2014 12:31:44 PM

PianoDude said:
Thanks again!!! :wahoo: 


You're welcome :)  and Please don't forget to Pick Solution :D 
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