The TP-Link Power Supply Module PSM500-AC/PSM900-AC is an AC-input and DC-output power supply module. It can convert the input voltage to 53.5 Volts with a maximum output power of 500/900 Watts. The power supply module is fully hot-swappable, helping to ensure no system interruption during installation or replacement. The TP-Link Power Supply Module is applicable to multiple TP-Link Omada and TP-Link Omada Pro switch models, such as SG6428XHP, SG6654XHP, S6500-24GP4XF, 6500-48GP6XF, S6500-24MPP4Y, and S6500-48MPP6Y.