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About product and suppliers:
        Alibaba.com offers 108,629 4gb usb products. About 14% of these are usb flash drives, 1% are usb gadgets, and 1% are computer cables & connectors. 

A wide variety of 4gb usb options are available to you, such as free samples, paid samples. 

There are 108,056 4gb usb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 98%, 1%, and 1% of 4gb usb respectively. 

gb usb products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 28,812 with Other, 10,070 with ISO9001, and 3,032 with ISO14001 certification.