what power supply wattage will I require for a 980 ti

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msproject251

msproject251

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Dec 14, 2015
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Hello, I currently have a system with the following components: 1tb sata hdd, 8gb corsair ram, i7 4790, gigabyte h81m-h, gtx 750 and a 500w evga power supply. I am upgrading my graphics card to a 980 ti and I don't know how many watts I need when i upgrade my power supply I currently have an evga 500w psu.
 
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ko888
System Power Supply Requirements for a single NVIDIA Reference Design GeForce GTX 980 Ti
• NVIDIA specifies a minimum of a 600 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 system power supply must also have a maximum combined +12 Volt continuous current rating of 38 Amps or greater
• the system power supply should also have at least one 75-Watt 6-pin and one 150-Watt 8-pin PCI Express supplementary power connectors. There are some non-reference design cards that require two 150-Watt 8-pin PCI Express...
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ko888

ko888

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Feb 18, 2009
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System Power Supply Requirements for a single NVIDIA Reference Design GeForce GTX 980 Ti
• NVIDIA specifies a minimum of a 600 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 system power supply must also have a maximum combined +12 Volt continuous current rating of 38 Amps or greater
• the system power supply should also have at least one 75-Watt 6-pin and one 150-Watt 8-pin PCI Express supplementary power connectors. There are some non-reference design cards that require two 150-Watt 8-pin PCI Express supplementary power connectors (E.g. ASUS GTX 980 Ti STRIX Gaming, EVGA GeForce GTX 980 Ti Classified ACX 2.0+ [06G-P4-4998], GIGABYTE GV-N98TG1 GAMING-6GD, MSI GTX 980TI GAMING 6G).

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.

EVGA 500W (100-W1-0500-KR)
• OEM: HEC
• maximum combined +12 Volt continuous current rating: 40 Amps <===== Sufficient
• two 150-Watt (6+2)-pin PCI Express supplementary power connectors <===== Sufficient
• Ambient Temperature Maximum (i.e. without derating): 40°C
• Modular Output Cables: No
• Passes Official Intel Haswell Compliance Test: No
• 80 PLUS Efficiency Certification
• 3 Year Limited Warranty

EVGA 500B Bronze (100-B1-0500-KR)
• OEM: HEC
• maximum combined +12 Volt continuous current rating: 40 Amps <===== Sufficient
• two 150-Watt (6+2)-pin PCI Express supplementary power connectors <===== Sufficient
• Ambient Temperature Maximum (i.e. without derating): 40°C
• Modular Output Cables: No
• Passes Official Intel Haswell Compliance Test: No
• 80 PLUS BRONZE Efficiency Certification
• 3 Year Limited Warranty

It should work but neither PSU model is very good in terms of quality.
 
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