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Rectangular silver metal mining unit with front grille and four fans

AFRNDK

AFRNDK Bitmain Antminer S19 90TH/s 3250W mining hardware

SKU CH-96EA-CCZSE

SHA-256 ASIC miner delivers 90 TH/s at 3250 W with 36 J/TH efficiency, runs on 200–240 V power and connects via RJ45 Ethernet

  • TypeMining Barebone System
  • Crypto AlgorithmSHA 256
  • Compatible CurrencyBitcoin (BTC)
  • Mining HardwareASIC
  • Hashrate90TH/S
  • Noise level76dB
  • High hashrate for Bitcoin mining backed by 90 ±3% TH/s SHA-256 performance
  • Efficient power use at 36 ±5% J/TH reduces electricity cost per terahash
  • Stable 220 V operation within 200-240 V range protects hardware from voltage damage
  • Quiet 76 dB noise level with four fans suits controlled-environment deployment
  • Compact 370×195.5×290 mm barebone fits dense rack layouts for scale

Purpose-built SHA-256 ASIC miner

The AFRNDK Bitmain Antminer S19 delivers a nominal 90 TH/s hashrate for Bitcoin, Bitcoin Cash and Bitcoin SV mining. It draws 3250 W at the wall with a rated efficiency of 36 J/TH, operating on 200–240 V AC input at 47–63 Hz. Four integrated fans produce 76 dB of noise while keeping the unit within its 0–40 °C operating range.

Power and connectivity constraints

The miner requires a 220 V supply; incorrect voltage can damage the hardware. Power tolerance is ±5 % on both consumption and efficiency figures, and hashrate varies by ±3 %. Network access is limited to a single RJ45 Ethernet port running at 10/100 Mbit/s, so upstream bandwidth above 100 Mbit/s cannot be used.

Upgrade path from earlier SHA-256 ASICs

Replacing older SHA-256 machines such as the T19 or S17 series raises hashrate per unit while improving energy efficiency toward the 36 J/TH mark. The jump is worthwhile when electricity cost per kilowatt-hour makes the efficiency gain large enough to offset the higher upfront capital outlay. Operators without 200–240 V infrastructure or adequate cooling for 76 dB noise should not deploy this model.

Puntos fuertes

  • High hashrate for Bitcoin mining backed by 90 ±3% TH/s SHA-256 performance
  • Efficient power use at 36 ±5% J/TH reduces electricity cost per terahash
  • Stable 220 V operation within 200-240 V range protects hardware from voltage damage
  • Quiet 76 dB noise level with four fans suits controlled-environment deployment
  • Compact 370×195.5×290 mm barebone fits dense rack layouts for scale

Especificaciones

BrandBITMAIN
SeriesS19
ModelS19 90T
TypeMining Barebone System
Crypto AlgorithmSHA 256
Compatible CurrencyBitcoin (BTC)
Mining HardwareASIC
Hashrate90TH/S
Noise level76dB
Fan4
Power Consumption3250W

Preguntas sobre este artículo

Should I pick the 90 TH/s version or a different hashrate model?

The 90 TH/s model delivers 90 ±3% TH/s at 3250 ±5% W, yielding 36 ±5% J/TH efficiency. Lower-hashrate units such as the S17 series run at reduced throughput and different efficiency, while higher-hashrate variants draw more power and require matching cooling.

What does the 90 TH/s rating mean for daily Bitcoin output in a real setup?

At 90 ±3% TH/s and 3250 ±5% W wall power, the miner produces roughly 36 J/TH. Actual BTC earned depends on network difficulty, pool fees, and electricity cost; the hashrate figure sets the upper bound before those variables apply.

Does the RJ45 10/100M port limit mining performance?

The Ethernet link tops out at 100 Mbit/s, which is far above the few Mbit/s needed for stratum traffic, so the interface does not cap hashrate. Ensure the switch and cabling support 100 Mbit/s full duplex for stable connectivity.

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