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Rectangular metal mining unit with integrated power supply, four cooling fans, dark industrial finish

AFRNDK

AFRNDK AvalonMiner 1246 83TH/s with original power supply mining hardware

SKU CH-QYN9-S208B

SHA-256 ASIC miner delivering 83 TH/s at 3420 W with integrated PSU and four 12 V fans

  • 83 TH/s hashrate for Bitcoin mining
  • 38 J/TH power efficiency reduces electricity cost
  • Integrated 3420 W power supply simplifies setup
  • Four 12038 fans keep chips cool
  • 75 dB noise level suits dedicated spaces

Purpose-built Bitcoin miner

The AFRNDK AvalonMiner 1246 is an ASIC device engineered for the SHA-256 algorithm. It delivers a maximum hashrate of 83TH/s while drawing 3420W from a 220V supply. The unit integrates its power supply into the enclosure and connects to the network over Ethernet. It is intended for operators who need a dedicated Bitcoin mining platform.

Thermals and acoustics at idle

Four 12038 fans move air through the chassis to keep internal temperatures within the rated range of -5 to 35 °C. The cooling system produces a noise level of 75dB during normal operation. Power efficiency is rated at 38J/TH, reflecting the energy cost per terahash under typical conditions. The integrated power supply simplifies cabling and helps maintain consistent airflow.

Behaviour under sustained load

Continuous operation at the full 83TH/s maintains the 3420W power draw and 75dB acoustic output without reduction. The four fans run at their design voltage of 12V and 4.5A to sustain thermal equilibrium over long periods. Efficiency remains at 38J/TH as long as ambient temperature stays within the specified limits. The integrated power supply and fixed fan curve provide stable performance for extended mining sessions.

Highlights

  • 83 TH/s hashrate for Bitcoin mining
  • 38 J/TH power efficiency reduces electricity cost
  • Integrated 3420 W power supply simplifies setup
  • Four 12038 fans keep chips cool
  • 75 dB noise level suits dedicated spaces

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the AvalonMiner 1246 and what is the critical voltage step?

Connect the integrated power supply to a 220V mains supply. Using any other input voltage can damage the miner. The unit ships as a single enclosure so no separate PSU wiring is required.

What maintenance will the four 12038 fans need over time?

The four 12V 4.5A fans should be cleaned of dust regularly and replaced if bearing noise appears or airflow drops, since they are the only active cooling for the 3420W heat load.

At what ambient temperature does the 1246 hit its operating limit first?

The specified operating range tops out at 35 °C. Above that temperature the miner will throttle or shut down to protect the A12 chips before any other limit is reached.

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