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About product and suppliers:
        Alibaba.com offers 615 usb 40 port hub products. About 21% of these are usb hubs, 1% are charger. 

A wide variety of usb 40 port hub options are available to you, such as ≥ 10, 2-4, and 5-8. You can also choose from usb 2.0, usb 3.0, and usb 3.1. As well as from free samples, paid samples. 

There are 615 usb 40 port hub suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of usb 40 port hub respectively. 

Usb 40 port hub products are most popular in North America, Eastern Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 22 with ISO9001, 6 with Other, and 2 with BSCI certification.