Warranty: D-Central offers a warranty on refurbished Antminers, featuring peace of mind and defense from opportunity defects, a rarity inside the used machines market. Although there are lots of positives, probable buyers should really be aware of specified drawbacks linked to the Antminer S21. The profitability on the Antminer S21 https://refurbished-antminer-z1573950.blog5star.com/39654534/is-antminer-worth-it-secrets