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Rectangular aluminium mining unit with integrated power supply four fans and Ethernet port

AFRNDK

AFRNDK AvalonMiner 1246 87T mining hardware

SKU CH-5KA5-AFWJT

SHA-256 Bitcoin miner delivering 87 Th/s at 3420 W with integrated power supply, four fans, Ethernet link and 75 dB noise

  • Crypto AlgorithmSHA-256
  • Compatible CurrencyBitcoin (BTC)
  • Hashrate87T
  • Network ConnectionEthernet
  • Noise level75dB
  • Fan4
  • SHA-256 algorithm delivers 87 Th/s Bitcoin hashrate
  • 3420 W power draw yields 38 J/TH efficiency
  • Four 12038 fans maintain 75 dB noise level
  • Integrated PSU accepts 220 V input at 16 A
  • Compact 331 × 195 × 292 mm aluminium frame weighs 12.8 kg

AvalonMiner 1246 87T Bitcoin SHA-256 Miner

The AvalonMiner 1246 87T is a Bitcoin miner built around the A12 chip that delivers a maximum hashrate of 87Th/s on the SHA-256 algorithm. It integrates the power supply into an aluminum enclosure measuring 331 x 195 x 292 mm and weighing 12.8 kg. Four 12038 fans provide active cooling and produce a noise level of 75 dB. The unit connects to the network through a single Ethernet interface.

Upgrade from lower-efficiency SHA-256 units

Replacing older SHA-256 hardware with this model raises the hashrate to 87Th/s at a power draw of 3420 W, yielding an efficiency of 38 J/TH. The jump is worth it when electricity costs allow the higher absolute power consumption to be offset by the increased throughput. The machine requires a 220 V supply capable of 16 A and operates within a voltage window up to 285 V at 50 to 60 Hz. Supplying the wrong voltage can damage the unit.

Rack-mountable integrated design for 220 V sites

The integrated power supply removes the need for an external PSU and cabling, freeing rack space and simplifying installation in cabinets that accept the 331 mm depth. Four built-in fans exhaust heat directly, so the room or cabinet must handle the thermal load from 3420 W continuous draw. Operating temperature range is -5 to 35 °C with humidity between 5 and 95 %. The Ethernet port is the only network connection required.

Highlights

  • SHA-256 algorithm delivers 87 Th/s Bitcoin hashrate
  • 3420 W power draw yields 38 J/TH efficiency
  • Four 12038 fans maintain 75 dB noise level
  • Integrated PSU accepts 220 V input at 16 A
  • Compact 331 × 195 × 292 mm aluminium frame weighs 12.8 kg

Specifications

BrandAVALONMINER
Series1246
Model1246 87T
Crypto AlgorithmSHA-256
Compatible CurrencyBitcoin (BTC)
Hashrate87T
Network ConnectionEthernet
Noise level75dB
Fan4
Power Consumption3420W

Questions about this item

What are the exact dimensions of the AvalonMiner 1246 enclosure?

The enclosure measures 331 mm wide by 195 mm deep by 292 mm high and weighs 12.8 kg, so verify your rack or shelf clearance before ordering.

Which step is most often missed when wiring the 220 V supply to the integrated PSU?

The unit requires a 220 V AC feed rated for at least 16 A at 50–60 Hz; connecting it to a lower-voltage circuit will damage the miner.

How often should the four 12038 cooling fans be inspected or replaced?

Plan to check fan operation and clean dust every month; replace any fan that shows bearing noise or reduced airflow to keep the 75 dB noise level and 35 °C intake limit in spec.

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