I like that it’s in a 3U format, so I'm able to rack it with my current structure. I confirmed serial quantities with Bitmain, and they matched legit output batches. Can’t propose this miner plenty of. The shop is also super Qualified—they answered just about every pre-sale issue clearly. https://griffinythfz.ivasdesign.com/60518693/quick-guide-to-buying-antminer-s19-pro