TP-Link PSM900-AC AC Power Supply Module • Up to 900 (PSM900-AC) watts output power • Hot swappable • 53.5 V DC output voltage • Output over-voltage/under-voltage/short circuit/over-current protection • Suitable for SG6428XHP, SG6654XHP, S6500-24GP4XF, S6500-48GP6XF, S6500-24MPP4Y, S6500-48MPP6Y Warranty Period: 3-Year