2020年10月11日 · Look on the label of the power supply or on the back of the power supply. You either have a power supply which supports universal input voltage, therefore will work with a wide input range, something like 90v...250v, or it's gonna be 230v only which means your mains voltage must be 220v..230v for the power supply to work.

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2021年8月23日 · 220V will be better for the power supply. Using 110V means double the current which is harder on the PSU. Power supplies are also more efficient at 220V.

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2024年1月6日 · Most new PSUs have active PFC and no switch is needed to change input voltage. Check the label on the power supply. It will tell you the AC voltage range the power supply can be used with. If the power supply supports 100-240v you do not need to change it, you'll just have to replace the power cord with one with a Japanese plug.