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About product and suppliers:
        Alibaba.com offers 9,622 4 port poe switch products. About 72% of these are network switches, 19% are fiber optic equipment, and 1% are other home audio & video equipment. 

A wide variety of 4 port poe switch options are available to you, such as full-duplex & half-duplex, full-duplex, and half-duplex. You can also choose from 10/100mbps, 10/100/1000mbps. As well as from ≤ 8, ≥ 48, and 24. And whether 4 port poe switch is free samples, or paid samples. 

There are 9,627 4 port poe switch suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Poland, and India, which supply 99%, 1%, and 1% of 4 port poe switch respectively. 

 port poe switch products are most popular in Domestic Market, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 1,735 with ISO9001, 1,635 with Other, and 202 with ISO10012 certification.