Bitmain Antminer S21 ASIC

Bitmain Antminer S21

  • Algorithm:SHA-256
  • Hashrate:200.00 TH/s
  • Power:3550W • 17.75 J/T
  • Price: $4700.00 • 23.5 $/T

Last updated: 27/10/2026

Antminer S21 Description

Bitmain Antminer S21 has a maximum hashrate of 200.00 TH/s on the SHA-256 algorithm. Its power consumption is 3550W. At the moment, the most profitable coin to mine on this ASIC is BC2.

Hashrate Antminer S21

$/kWh
Sort by
Bitcoin II
Bitcoin II
200.00 TH/s
Revenue
$3037.82 ≈ 24919.34 BC2
Profit
$1793.90
200.00 TH/s
Revenue
$2834.94 ≈ 163.21 BSV
Profit
$1591.02
200.00 TH/s
Revenue
$2764.44 ≈ 9.60 BCH
Profit
$1520.52
200.00 TH/s
Revenue
$2662.46 ≈ 389248185.39 XEC
Profit
$1418.54
200.00 TH/s
Revenue
$2639.25 ≈ 0.03287 BTC
Profit
$1395.33
200.00 TH/s
Revenue
$2519.90 ≈ 350424.64 QUAI
Profit
$1275.98
200.00 TH/s
Revenue
$1967.00 ≈ 601382.69 DGB
Profit
$723.08
200.00 TH/s
Revenue
$1889.30 ≈ 5088.48 FB
Profit
$645.38

Antminer S21 Specifications

Type
asic
Power
3550 W
Hashrate
200.00 Th/s
Noise level
75 Db
Temperature
5-40 °C
Manufacturer
Bitmain

Download Antminer S21 firmware

Kryptex × GMiner ASIC Firmware

Includes autotuning with customizable overclocking profiles, automatic profile switching based on temperature, real-time monitoring and recovery of chip performance, and manual fine-tuning of chip frequencies.

Explore & Download

Bitmain Antminer S21 Mining Profitability

The profitability chart shows the revenue from mining the most profitable coin on Antminer S21 on a given day minus the electricity costs.

$/kWh
  • Daily profit: $4.9148 68.2722 BC2
  • Weekly profit: $34.4035 477.9052 BC2
  • Monthly profit: $147.44 2048.1650 BC2
  • Annual profit: $1793.90 24919.3404 BC2

Where to buy Bitmain Antminer S21

Looking to purchase a Antminer S21? We've compiled an up-to-date list of verified vendors and authorized retailers that offer Antminer S21 for sale. This curated selection includes both online shops and physical stores to help you make an informed buying decision.

Miner Bros
Miner Bros Worldwide
Buy
–$50:KRYPTEX
–1%:KRYPTEX
–$30:KRYPTEX
X-ON MINING
X-ON MINING Worldwide
Buy
–$20:kryptex20
ASL Miner
ASL Miner Worldwide
Buy
–$20 (>1000$):xgj967vh
Apexto Mining
Apexto Mining PRC HongKong
Buy
–$30:apextomining
YesMining
YesMining Worldwide
Buy
–$10:YESKRYPTEX
Maxi Miners
Maxi Miners Czech Republic
Buy
–$25:KRYPTEX25
–3%:KRYPTEX
Cooldragon
Cooldragon Worldwide
Buy
–$30:kryptex-30usd
TopHash
TopHash UA, Worldwide
Buy
–2%:kryptextop
ZC Miner
ZC Miner Worldwide
Buy
–$10:Kryptex10
Leedminer
Leedminer Worldwide
Buy
–$50:Kryptex
OneMiners
OneMiners USA, Worldwide
Buy
–$25:KRYPTEX
MillionMiner
MillionMiner Worldwide
Buy
–$100 (>2000$):KRYPTEX
Want to get on this block?

Contact us:

Who can advertise:

ASICs, CPUs and GPUs sellers