Model Antminer S9 Hydro manufactured by the Bitmain company uses the SHA-256 algorithm for mining, having a hashrate of 18Th and 1728 Watts power consumption.
1. Enhance anti-virus capability
2. S9 user firmware. It is only for 7010 xilinx control board, not for C5 control board.
3. Secure firmware with signature, SSH port is closed.
4. You can't upgrade previous secure firmware after using this version.