If defective on arrival, the buyer will receive a full refund immediately and no return in the miner is necessary. One of the vital benefits of the Antminer L9 is its large hashrate. Having a hashrate of 16 GH/s, this miner is able to processing a lot of transactions https://titusyickh.blogolize.com/how-to-buy-bitmain-antminer-l9-with-confidence-78471206