Bitmain Antminer R4 Consisted of 126 BM1387 chips, which are built using TSMC’s 16nm FinFET technology.
Bitmain Antminer R4 control board employs the Xilinx’s ZYNQ-7000 family system-on-a-chip (SoC) that integrates a feature-rich dual-core ARM® Cortex™-A9 based processing system (PS) as well as a 28 nm Xilinx programmable logic (PL) in a single device and supports Gigabit Ethernet to ensure that mined blocks are submitted instantly.
Bitcoin Mining Hashrate : 8600 GH/S
Power Consumption : 845 Watt/Per Hour
Power Efficacy : 0.098 J/GH
Noise level : 52 db
Fans have long been the single biggest source of noise in most bitmain bitcoin miners. The R4’s design team found a unique solution Inspired by the “fan” of a silent split air conditioner.