About product and suppliers:
            1,742 optical network card products are offered for sale by suppliers on Alibaba.com, of which network cards accounts for 11%. 

A wide variety of optical network card options are available to you, such as stock, used. You can also choose from pci express, usb3.0, and usb optical network card, as well as from fcc, ce optical network card, and whether optical network card is wired, or wireless. 

There are 943 suppliers who sells optical network card on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and India, from which the percentage of optical network card supply is 98%, 1%, and 1% respectively.