BITMAIN AntMiner S21 Air Cooling Miner Owner’s Manual

May 15, 2024
BITMAIN

BITMAIN AntMiner S21 Air Cooling Miner

BITMAIN-AntMiner-S21-Air-Cooling-Miner-fig-1

Specifications

Product Glance Value
Model Version S21 L1-10
Crypto algorithm/coins SHA256
Typical Hashrate, TH/s(1-1) 200
Power on wall @25(1-2), Watt(1-1) 3500
Power efficiency on wall@25(1-2), J/TH(1-1) 17.5

Product Usage Instructions

Power Supply

  • AC input voltage: 220~277V AC
  • AC Input Frequency Range: 50~60 Hz
  • AC Input current: 20 Amp
  • Adapted AC output power requirement: 4000 W

Hardware Configuration

  • Network connection mode: RJ45 Ethernet 10/100M
  • Server size (LengthWidthHeight, w/o package): 400195290 mm
  • Server size (LengthWidthHeight, with package): 570316430 mm
  • Net weight : 15.4 kg
  • Gross weight : 17.2 kg
  • Noise : 76 dBA @25

Environment Requirements

  • Operation temperature : 0~45°C
  • Storage temperature : -20~70°C
  • Operation humidity : 10%~90% RH
  • Operation altitude : 2000 m

FAQ

  • What is the typical hashrate of the S21 model?
    The typical hashrate of the S21 model is 200 TH/s.

  • What is the power efficiency of the S21 model?
    The power efficiency on the wall at 25°C is 17.5 J/TH.

Specification

Product Glance Value
Model S21
Version L1- 10
Crypto algorithm/coins **SHA256
Typical Hashrate, TH/s (1-1) 200
Power on wall @25℃(1-2), Watt (1-1) 3500
Power efficiency on wall@25℃(1-2), J/TH (1-1) 17.5

Detailed Characteristics| Value
Power supply
Power supply AC input voltage, Volt (2-1)| 220~277V AC
Power supply AC Input Frequency Range, Hz| 50~60
Power supply AC Input current, Amp (2-2)| 20
Adapted AC output power requirement, W (2-3)| 4000
Hardware Configuration
Network connection mode| RJ45 Ethernet 10/100M
Server size (LengthWidthHeight, w/o package), mm| 400195290
Server size (LengthWidthHeight, with package), mm| 570316430
Net weight, kg| 15.4
Gross weight, k g| 17.2
Noise, dBA @25 (2-4)| 76
Environment Requirements
Operation temperature, | 0~45
Storage temperature, | -20~70
Operation humidity, RH| 10%~90%
Operation altitude, m (2-5)| ≤2000

Notes:

  1. The Hashrate value, Power on wall, and Power efficiency on wall are all typical values, The actual Hashrate value fluctuates by ±3%, and the actual Power on wall and Power efficiency on wall fluctuate by ±5%.
  2. Inlet air temperature.
  3. Caution: Wrong input voltage may probably cause server damaged.
  4. Two AC input wires, 10A per wire.
  5. Caution: It is strongly recommended that the power on wall of the minier does not exceed this value.
  6. Max condition: Fan is under max RPM(rotation per minute).
  7. When the server is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1℃ for every increase of 300m.

Performance Curves

Hashrate vs. Ambient Temperature

BITMAIN-AntMiner-S21-Air-Cooling-Miner-fig-2

J/T vs. Ambient Temperature

BITMAIN-AntMiner-S21-Air-Cooling-Miner-fig-3

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References

Read User Manual Online (PDF format)

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