how many watts do i need in my power supply?

Kevin Piskals · Aug 13, 2015

i currently have
motherboard: gigabyte p61
cpu: intel pentuim g2020 2.9 GHz
gpu: ati 5450 HD 2 GB
ram: 8 GB
i am getting MSI GTX 760 2 GB soon, so how many watts would i need in my new power supply?

IAmTheTofu · Aug 13, 2015

450W.

Archaic59 · Aug 13, 2015

You need 500 watts from a high quality power supply that has two 6-pin PCIe connectors to power the GTX 760.

brispuss · Aug 14, 2015

A quality PSU rated at a minimum of 450 W would be recommended.

Kevin Piskals · Aug 14, 2015

hey guys my plans have changed a bit so i am going for gigabyte gtx 750 ti

IAmTheTofu · Aug 14, 2015

350W at minimum. I recommend 400W.

ko888 · Aug 14, 2015

System Power Supply Requirements for a single NVIDIA Reference Design GeForce GTX 750 Ti
• NVIDIA specifies a minimum of a 300 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 20 Amps or greater
• the system power supply should also have at least one 75-Watt 6-pin PCI Express supplementary power connector for some of the non-reference design cards (e.g. ASUS GTX 750 Ti OC 2 GB [GTX750TI-OC-2GD5], EVGA GeForce GTX 750 Ti FTW w/ EVGA ACX Cooling [02G-P4-3757-KR], ..., etc.).

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.

brispuss · Aug 14, 2015

If using a GTX 750 Ti video card instead of a GTX 760 card, then the recommended PSU would be a quality PSU rated at a minimum of 350 W.

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how many watts do i need in my power supply?

Kevin Piskals

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Archaic59

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brispuss

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Kevin Piskals

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IAmTheTofu

Honorable

ko888

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brispuss

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