IMITATION MINERS
If you are interested in buying knock off miners with forged SN, this is your seller. I had ordered an Antminer S21-200T and after a few weeks the machine stopped mining. I send it to the official Bitmain repair shop and here is what they wrote back to me in June 2026: “The repair team found that this machine is a high imitation product with forged SN, not our company's product. Sorry for any inconvenience caused, but according to the after-sales terms, for machines with SN fraud, we can only return without repair.” WOYOU declined any responsibility and gave me the birdy. So…my money goes into the garbage bin.