Antminer S9 Hydro can mine the SHA-256 algorithm with a hashrate equivalent to 18 Th/s and having an estimated power consumption of 1728 watts.
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.