I like that it’s inside of a 3U structure, so I'm able to rack it with my current layout. I verified serial numbers with Bitmain, they usually matched legit manufacturing batches. Can’t recommend this miner enough. The store can also be Tremendous Experienced—they answered each and every pre-sale question https://daltonnvoac.ampedpages.com/where-to-buy-antminer-safely-66340285