The relationship between power and motherboard
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Users questions: I do not understand why computers have different power supply, common 200W250W300W, I would like to know, the power relationship between the size of computer motherboards are you?, A relationship with the CPU you,? A relationship with the other accessories you what,? With machine How to choose the power when it is not the power of the more More stable large as possible, ah,. Those motherboard ah, CPU and other accessories on ah I do not see a marked much power to use the power ah. Know the brothers give me answer it, I am confused,
Experts answer: is very simple power is a power supply device, which provide power to all devices, each device Has a power, add up all the power should not be greater than the power of the rated power - that is to choose the power of the basic principles. Motherboard is the power of the device, CPU is, other parts too, so and they are involved. Power big all right, but if the demand far exceeded, then the first Not necessary, the second economy into a higher (power is the power of the general law of the bigger more expensive), it is generally selected power, the machine is about the total power supply rated power of 70% to 85% as good, not particularly nervous Gaode . As to the issue of power measurement is indeed a big problem! This subject Good! ! A simple way is to boot, taking power at the other end of the 220V power supply a current meter in series, under the "power = voltage multiplied by the current" need to select the power to determine the power. More accurate way is to have a direct measurement of the power of the instruments, principles and the basic agreement, but much simpler - As long as the machine in series with a direct reading can be. ------ However, both the premise that you start the computer by a power supply connected (to prevent the power supply is too small to be burned) As usual we generally estimate the error much! ! Does not indicate.
Experts answer: is very simple power is a power supply device, which provide power to all devices, each device Has a power, add up all the power should not be greater than the power of the rated power - that is to choose the power of the basic principles. Motherboard is the power of the device, CPU is, other parts too, so and they are involved. Power big all right, but if the demand far exceeded, then the first Not necessary, the second economy into a higher (power is the power of the general law of the bigger more expensive), it is generally selected power, the machine is about the total power supply rated power of 70% to 85% as good, not particularly nervous Gaode . As to the issue of power measurement is indeed a big problem! This subject Good! ! A simple way is to boot, taking power at the other end of the 220V power supply a current meter in series, under the "power = voltage multiplied by the current" need to select the power to determine the power. More accurate way is to have a direct measurement of the power of the instruments, principles and the basic agreement, but much simpler - As long as the machine in series with a direct reading can be. ------ However, both the premise that you start the computer by a power supply connected (to prevent the power supply is too small to be burned) As usual we generally estimate the error much! ! Does not indicate.
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