We will only substitute products When they are faulty or weakened. If you desire to an Trade for the same merchandise, remember to electronic mail us at [email protected] Overall, the Bitmain Antminer Z15 is the best Zcash mining rig out there out there now. It offers a robust hash price, https://trevorbpbpe.blogdigy.com/5-easy-facts-about-z15-miner-for-sale-described-61466613