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Rectangular metal mining unit with two fans, 400 by 195 by 290 millimetres

AFRNDK

AFRNDK Antminer S21+ 216T 3564W mining hardware

SKU CH-TC1K-PH656

A SHA-256 ASIC miner delivering 216 TH/s at 3564 W with 75 dB noise and dual fans for Bitcoin mining

  • TypeMining Machine/Miner
  • Crypto AlgorithmSHA256
  • Compatible CurrencyBitcoin (BTC)
  • Mining HardwareASIC
  • Hashrate216T
  • Noise level85d
  • 216 terahashes per second hashrate for maximum Bitcoin output
  • 3564 watts power draw balances performance with energy cost
  • SHA-256 ASIC architecture built for Bitcoin mining efficiency
  • 75 decibel noise level suits managed facility environments
  • 400 by 195 by 290 millimetre footprint fits standard rack layouts

Bitcoin SHA-256 ASIC Miner

The AFRNDK Antminer S21+ is a dedicated Bitcoin mining machine built around the SHA-256 algorithm. It delivers a hashrate of 216T while drawing 3564W of power. The unit ships with an integrated power supply and connects via Ethernet for pool communication. It is intended for operators who need high-density SHA-256 compute in a single rack-mountable chassis.

Sustained Load Behaviour

Continuous operation at 216T holds the power draw at 3564W with a noise output of 75db from the dual-fan cooling system. The specified operating window is 10 to 40 °C ambient temperature and 10 to 90 % relative humidity. Stable 220V input is required; voltage outside this range can damage the hardware. Thermal throttling or shutdown will engage if the environment exceeds the stated limits.

Ethernet Interface Limits

The sole data link is a standard Ethernet port, so pool latency and bandwidth are bounded by the local network infrastructure. No wireless or secondary wired interfaces are present, meaning a wired uplink must be provisioned for each unit. Network congestion or switch saturation will directly reduce effective hashrate delivered to the pool. The miner does not expose any management interface beyond the standard stratum protocol over this single Ethernet connection.

Pontos fortes

  • 216 terahashes per second hashrate for maximum Bitcoin output
  • 3564 watts power draw balances performance with energy cost
  • SHA-256 ASIC architecture built for Bitcoin mining efficiency
  • 75 decibel noise level suits managed facility environments
  • 400 by 195 by 290 millimetre footprint fits standard rack layouts

Especificações

BrandANTMINER
SeriesS21
ModelS21+
TypeMining Machine/Miner
Crypto AlgorithmSHA256
Compatible CurrencyBitcoin (BTC)
Mining HardwareASIC
Hashrate216T
Noise level85d
Power Consumption3564W

Perguntas sobre este artigo

How loud is the Antminer S21+ when it runs continuously at 216T hashrate?

The manufacturer rates noise at 75 dB; the supplier also lists 85 dB, so expect very loud operation that requires a dedicated room or sound-dampening enclosure.

What power infrastructure must I already have for the 3564 W Antminer S21+?

You need a 220 V supply with wiring and breakers rated for the 3564 W load, plus a compatible industrial plug or hard-wired connection; standard household sockets are not sufficient.

Can the S21+ share a network switch with older Ethernet miners?

Yes, it connects via a standard Ethernet port, so it will work alongside any legacy SHA-256 miner that also uses wired Ethernet, provided your switch has enough ports and bandwidth.

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