Notice: The warranty period of time for control boards with symbol is a hundred and fifty days (calculated through the day of shipment), and people with no logo are certainly not included with the guarantee. Look through our entire collection of genuine Bitmain mining factors to uncover the many components https://alexispnful.dreamyblogs.com/37900329/an-unbiased-view-of-antminer-s9-control-board-schematics