Model Antminer S11 manufactured by the Bitmain company uses the SHA-256 algorithm for mining, having a hashrate of 20.5 Th/s and 1530 Watts power consumption.
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