620 watt psu for gtx 660ti ?

xtreemzzzz · Apr 14, 2013

hi guys, can i use use 620 watt psu (Seasonic S12II, 80+ bronze) for zotac nvidia gtx 660ti ? will it bottleneck the gpu ? because the recomended psu wattage for the gpu is 600watts.

Sam0oneau-1295699 · Apr 14, 2013

Nope, but if the gpu wants more power than the power supply can give, the computer will just shutdown abruptly. But a 80+ rated 600watt power supply should defiantly be enough for the gtx 660 ti.

ko888 · Apr 14, 2013

For a system using a single GeForce GTX 660 Ti graphics card NVIDIA specifies a minimum of a 450 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 24 Amps or greater and that has at least two 6-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) rated at 45°C - 50°C ambient temperature, is the most critical factor.

Overclocking of the CPU and/or GPU(s) will 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.

The Seasonic S12II-620 Bronze (SS-620GB), with its maximum combined +12 Volt continuous current rating of 48 Amps and with one 6-pin and one (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with a single GeForce GTX 660 Ti graphics card.

Ultisym · Apr 15, 2013

http://www.thermaltake.outervision.com/ Useful tool. Add 100 watts to whatever it calculates and you should be in good shape

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620 watt psu for gtx 660ti ?

xtreemzzzz

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