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About product and suppliers:
        Alibaba.com offers 6,475 256gb pen products. such as free samples, paid samples. 

There are 6,475 256gb pen suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 256gb pen respectively. 

56gb pen products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 726 with ISO9001, 269 with ISO14001, and 258 with OHSAS18001 certification.