The AntMiner S9 follows the same form factor as that of the hugely popular AntMiner S7 and is nearly the same size.
Yet it has more than thrice the power and twice the efficiency of the S7.
Each AntMiner S9 employs 189 such chips to deliver more hashrate than any bitcoin miner ever. Controlled by a Dual ARM Cortex A9 Microprocessor , Engineered to Remain Powerful yet cool.
AvalonMiner 741 is one of the affordable Bitcoin mining hardware which has been created by a company called Canaan. It provides a good hash rate of about 7.3 TH/s with an efficiency of 0.16 J/GH and features an air forming cooling system that enables 88 chips to function as a single unit. It even helps to keep the miner running at all times..