About product and suppliers:
            1,150 4 port poe switch products are offered for sale by suppliers on Alibaba.com, of which network switches accounts for 45%, ethernet modules & poe accounts for 1%. 

A wide variety of 4 port poe switch options are available to you, such as stock. You can also choose from fcc, ce 4 port poe switch, as well as from ≤ 8, ≥ 48, and 24 4 port poe switch, and whether 4 port poe switch is full-duplex, or full-duplex & half-duplex. 

There are 636 suppliers who sells 4 port poe switch on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of 4 port poe switch supply is 100% respectively.