The second-hand R4 control board has total extras and can be employed Generally following receiving the goods. Welcome everyone to purchase with assurance. Q：bonjour, j'ai une carte hachage d'un S19 J Professional+ 120 qui ne fonctionne qu'a 20th/s combien serait le prix d'une carte ? In case you have any https://antminercontrollboardsfor29524.timeblog.net/73140974/top-guidelines-of-antminer-l7-control-board