Help me pick a PSU

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George Goranov

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Jan 14, 2015
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I've tried doing this on my own but I'm just reading aand not comprehending anything. First off - does anyone know if the stock PSU of K350 is any good since im gonna be tight on budget. I will be running Intel core i5 4570 or 4440 and most likely a toxic r9 280x. Pcpartpicker tells me that everything will need a 430~ W psu. Looking at benchmarks I see that in some cases the graphics card need 100W+ more to run. So I guess that I'll need a 600W PSU. I read some of the PSU guides but I don't really understand what they say xD. So this is where you ,Tom's community, come in (hopefully).The prices in my country and the prices elsewhere differ but I'd stil like to see your best (and hopefully on budget) recommendations.
 
Solution
ko888

Corsair VS Series VS650 (SKU# 75-001837 / CP-9020098)
• OEM: CWT (Channel Well Technology)
• maximum combined +12 Volt continuous current rating of 50 Amps <===== Sufficient
• two 150-Watt (6+2)-pin PCI Express supplementary power connectors <===== Sufficient
• Modular Output Cables: No
• Official Intel Haswell Compliance: No <===== You'll need to disable C6/C7 power state support in the motherboard's BIOS
• 80 PLUS 230V EU Efficiency Certification
• 3 Year Limited Warranty
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ager

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Well..in your case i would go with a corsair vs550 watt..or corsair cx 500 watt..both are good..both are corsair which is one of the best brands out there...see what is the cheapest and buy it..(cx is better though cause it has more power efficiency ) but i am pretty sure both will do just fine
 
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ko888

ko888

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Feb 18, 2009
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Power Supply Requirements for a single Sapphire TOXIC R9 280X 3GB GDDR5
• Sapphire specifies a minimum of a 750 Watt or greater system power supply. (Minimum system power requirement based on a PC configured with an Intel Core i7 3.2GHz 130 Watt TDP processor.)
• the power supply must also have a maximum combined +12 Volt continuous current rating of 45 Amps or greater
• the power supply should also have at least two 150-Watt 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

You should be able to find 600W Intel Haswell Ready PSU that meets those requirements.

You never specified which country you live in so I can't provide any specific PSU models because they may not even be available in your country.
 
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George Goranov

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Jan 14, 2015
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I live in Bulgaria. No overclocking will be made. Thank you for the answers so far.
 
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ko888

ko888

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Feb 18, 2009
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84,990

Corsair VS Series VS650 (SKU# 75-001837 / CP-9020098)
• OEM: CWT (Channel Well Technology)
• maximum combined +12 Volt continuous current rating of 50 Amps <===== Sufficient
• two 150-Watt (6+2)-pin PCI Express supplementary power connectors <===== Sufficient
• Modular Output Cables: No
• Official Intel Haswell Compliance: No <===== You'll need to disable C6/C7 power state support in the motherboard's BIOS
• 80 PLUS 230V EU Efficiency Certification
• 3 Year Limited Warranty
 
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Solution
ko888

ko888

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Feb 18, 2009
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84,990


No effect on performance. It only disables the CPU's low power sleep states.
 
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