Here some picture of my board that just arrived  






And fan picture, i bet Gator-hex will be surprises  
Bottom fan is "SUPER FAN" SUNON PMD1209PMB1-A rated at 12,5 W, 4900 rpm & 57 dBA





Upper fan is SUNON PF92251V1-000U-S99 rated at 4,7 W, 4500 rpm & 46 dBA





After trying some setting:

  Hex8A1 Chip Frequency : 250              
  Hex8A1 Chip Core Voltage : 980
  Hex8A1 Set ASIC difficulty to one : 1

Ampere usage on 12 V rail is 30 A