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About product and suppliers:
        Alibaba.com offers 2,909 dvr board products. About 17% of these are other pcb & pcba, 9% are cctv dvr, and 4% are dvr card. 

A wide variety of dvr board options are available to you, such as free samples, paid samples. 

There are 2,781 dvr board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of dvr board respectively. 

Dvr board products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 600 with ISO9001, 208 with Other, and 137 with ISO14001 certification.