Question

You have a desktop computer that you want to upgrade. you add several internal components and external components. you realize that pu need to ensure that pur power supply can support all of the new devices. which power supply rating is used to determine this?

Answer 1

for your kind  information. this is not depend upon power supply. you must need to know about hardware support i means Specification of  computer hardware  and software for attaching new device. if hardware support new device then its okay .
i hope the answer of the question