NETGEAR ProSAFE Modular Power Supply Unit 250W AC (APS250W) is compatible with select Managed Switches such as M4300-8X8F (XSM4316S), M4300-12X12F (XSM4324S) and M4300-24X24F (XSM4348S). These M4300 series switches come with one PSU pre-installed. Another APS250W in full-width models second PSU bay can be combined for 1+1 power redundancy or 1+1 power expansion.
