The 12VHPWR connector can supply up to 600 watts of power, designed for high-end graphics cards. * Why Not A (400W): This is less than the connector's maximum capability. * Why Not B (MOW): This is an invalid option. * Why Not D (700W): The maximum supported power is 600W. CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.4, power supply and connectors.