System Power Supply Requirements for a single NVIDIA Reference Design GeForce GTX 760
• NVIDIA specifies a minimum of a 500 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 30 Amps or greater
• the system power supply should also have at least two 75-Watt 6-pin PCI Express supplementary power connectors. There are some non-Reference Design GeForce GTX 760 cards that have a single 150 Watt 8-pin (e.g. ASUS GTX 760 DirectCU II OC) or two 150 Watt 8-pin (e.g. MSI GTX 760 HAWK) or one 75 Watt 6-pin and one 150 Watt 8-pin (e.g. Gigabyte GTX 760 WindForce OC, EVGA GTX 760 SC w/ACX Cooler, MSI GTX 760 TwinFrozr Gaming) 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.
Atrix Expert 500W AX-500EXB
• OEM: ???
• maximum combined +12 Volt continuous current rating: 18 Amps <===== Insufficient
• one 75-Watt 6-pin PCI Express supplementary power connectors <===== Insufficient
• Modular Output Cables: No
• Meets Official Intel Haswell Compliance: No
• No 80 PLUS Efficiency Certification
• based on ATX12V Version 1.3 from April, 2003. (Current ATX12V Version is 2.4 from April, 2013)
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