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About product and suppliers:
        Alibaba.com offers 116,832 4gb usb products. About 7% 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 4gb, 1gb. You can also choose from free samples, paid samples. 

There are 116,226 4gb usb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and India, which supply 98%, 1%, and 1% of 4gb usb respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 32,090 with Other, 9,238 with ISO9001, and 2,812 with ISO14001 certification.