https://www.dell.com/en-in/shop/mps-3s-shelf-for-up-to-3-psus-extends-poe-budget-for-n2224pxn2248px-n3224px-n3248p-n3248pxe/apd/770-bdld/wifi-and-networking
MPS-3S Shelf for up to 3 PSUs, Extends PoE Budget for N2224PX,N2248PX, N3224PX, N3248P, N3248PXE |...
This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.