Antminer S11 is a miner that uses the SHA-256 algorithm with a maximum hashrate of 20.5 Th/s and a power consumption equivalent to 1530 Watts.
1. Enhance anti-virus capability
2. S11 user firmware, support both 7007 and 7010 control board
3. Secure firmware with signature, SSH port is closed
4. Few of the miner probably have lower hashrate in low temperature environment