Three. Should the user fails to use the solution per the specified Directions, technical specs, and circumstances presented or changes the operate options of your device without BITMAIN's prior consent, BITMAIN will not be chargeable for any damage arising therefrom. The caliber of service Here's outstanding. My buy was processed https://holdenhtzgx.shotblogs.com/a-review-of-bitmain-antminer-s21-48440142