I snagged the T21 all through a sale, and it were an comprehensive steal. It's been taking care of simply, and I've been happy with its overall performance. It is not the most powerful miner, but it really truly's certainly an great value for that price. That may help https://bitmain-antminer-price34531.ampedpages.com/bitmain-antminer-pricing-explained-for-buyers-66339721