S9 Silent

The 21ENERGY S9 Silent 13,5 TH includes:

• a used and reconditioned Bitmain Antminer S9 with 13.5 or 14.0 TH
• a used and functional Bitmain APW3++ power supply unit
• 2 pieces 140mm Noctua high performance fans – NF-A14 iPPC-3000 PWM
  • instead of the 120mm original fan
• 2 ventilation adapters from 120 to 140 mm made of 1.5 mm galvanised sheet metal
• Aluminium sealing tape for an absolutely tight ventilation adapter
• 1 piece extremely quiet 60mm Noctua fan – NF-A6x25 PWM
  • This is installed in the power supply unit and replaces the much louder original power supply fan.
  • For this purpose, a 2 to 3 pin ventilation cable adapter was installed in the power supply unit.
• the Bitmain Antminer S9 comes with the latest Braiins OS+ with autotuning and powertarget function
  • operable with 380 to 1500 watts
    • if you stake out hashboards, you can also operate them with even less power
    • with an active hashboard with approx. 130 watts
    • with two active hashboards with approx. 260 watts
  • at 700 to 800 watts, an efficiency of up to 75 J/TH
• Bitmain Antminer Instruction Manual
• The bundle is delivered fully assembled

The Miner is checked for functionality, cleaned* and packed well protected before shipping.
Dispatch after receipt of payment within 2-3 working days.

*The miner is cleaned by means of an air-pressure nozzle to remove dust from the cooling fins. There may still be very small dust fluff in the cooling fins and the miners may still be slightly dusty on the outside. The miner is reassembled and tested after compressed air cleaning.