Question about item
Description
- Hashrate: 12.5 TH/s
- Power: 1,000 W
- Efficiency: Up to 75 J/TH
- Algorithm: SHA-256
- Condition: Refurbished
- Noise Level: Improved noise reduction
Product Details
The 21energy S9 Silent includes:
- A used and refurbished Bitmain Antminer S9 with 12.5 TH/s.
- A used and functional Bitmain APW3++ power supply.
- 2 pieces of 140mm Noctua high-performance fans – NF-A14 iPPC-3000 PWM instead of the original 120mm fans.
- 2 pieces of ventilation adapters from 120mm to 140mm made of 1.5mm galvanized sheet metal.
- Aluminum sealing tape for an absolutely airtight ventilation adapter.
- 1 extremely quiet 60mm Noctua fan – NF-A6x25 PWM. This is installed in the power supply and replaces the significantly louder original power supply fan. Additionally, the power supply includes a 2-to-3 pin fan cable adapter.
- The Bitmain Antminer S9 comes with the latest Braiins OS+ with autotuning and power target function.
- Operation possible from 380 to 1000 watts and even less power when disconnecting hashboards.
- Efficiency of up to 75 J/TH at 700 to 800 watts.
- Bitmain Antminer user manual.
- The bundle is delivered fully assembled.
- The miner is tested for functionality, cleaned*, and well protected before shipping.
*The cleaning of the miner is done using a compressed air nozzle to remove dust from the cooling fins. There may still be very small dust particles in the cooling fins, and the miners may still appear slightly dusty on the outside. After the compressed air cleaning, the miner is reassembled and tested.