Bitmain Antminer S21 Plus (225TH)

Antminer S21+ profitability insights powered by real-time data: Discover how much your Antminer S21+ can earn using our advanced ASIC miner calculator. We use live mining reward data and automatically factor in electricity costs, giving you a clear overview of your potential daily, monthly, and yearly returns.

Released: June 2025
Manufactured by
Bitmain
Bitmain Antminer S21 Plus  (225TH)
Realtime Mining Profit
$0.27/day
225TH/s
Hashrate
3712W
Power

Profitability Analysis

Live Data

Here you can see a detailed analysis of miner profitability, updated in real-time.

Current BTC Price $64,540.00
Period Income Expense Profit
Daily
$7.40 $7.13
$0.27
Monthly
$221.91 $213.81
$8.10
Yearly
$2,699.92 $2,601.37
$98.55
No Offer available

About the Bitmain Antminer S21+ (225TH/s)

Learn more about this ASIC miner, including its specifications, performance, energy consumption, and profitability.

The Bitmain Antminer S21+ (225TH) is a high-performance ASIC miner designed for serious cryptocurrency mining operations. Featuring a robust SHA-256 algorithm, it delivers an impressive hashrate of 225TH/s, ensuring efficient and rapid processing of Bitcoin and other SHA-256 based coins. Built with air cooling, this miner maintains optimal operational temperatures, supporting continuous mining without overheating. Its compact dimensions of 400 x 195 x 290mm make it suitable for various installation environments, while its 75dB noise level is typical for industrial mining equipment. The Antminer S21+ operates on a standard voltage range of 100-240V and connects seamlessly via Ethernet, providing reliable network access. Released in June 2025, this model reflects the latest advancements in mining hardware, combining power, efficiency, and durability. Whether setting up a new mining farm or upgrading existing infrastructure, the Antminer S21+ offers a dependable solution for maximizing mining profitability. Its sturdy build and advanced cooling ensure long-term operation, making it an ideal choice for both professional miners and enterprise-level operations aiming to harness the full potential of the SHA-256 algorithm with high efficiency and low downtime.

Discover Which Coins This Miner Can Mine

Explore the cryptocurrencies that can be mined using Bitmain Antminer S21+ (225TH/s), including detailed profitability.

Currency Converter

Calculate the mineable coins to any currency.

Rate is for reference only. Updated just now.
Coin Income/Day Profit/Day
$7.37 $
0.00011421 Bitcoin Logo
$0.24 $
0.00000378 Bitcoin Logo
$7.24 $
0.00011201 Bitcoin Logo
$0.11 $
0.00000167 Bitcoin Logo
$7.23 $
0.03271620 Bitcoin Cash Logo
$0.10 $
0.00045694 Bitcoin Cash Logo
$7.40 $
20.70 Fractal Bitcoin Logo
$0.27 $
0.75689294 Fractal Bitcoin Logo

Historical Mining Performance

View the performance trends of Bitmain Antminer S21+ (225TH/s) over weekly, monthly, and yearly timeframes.

Historical Profitability

View the historical income and profit trends for this miner.

SHA-256 Miner Generations

Evolution of cryptocurrency mining hardware throughout the years, with the current generation highlighted for reference.

Generation 1

31 miners

Generation 2

31 miners

Generation 3

31 miners

Generation 4

31 miners

Generation 5

31 miners

Generation 6

31 miners

Generation 7

32 miners

Generation 8

32 miners

More Information about the

Learn more about the Bitmain Antminer S21+ (225TH/s)

The Bitmain Antminer S21+ (225TH) is a high-performance ASIC miner designed for serious cryptocurrency mining operations. Featuring a robust SHA-256 algorithm, it delivers an impressive hashrate of 225TH/s, ensuring efficient and rapid processing of Bitcoin and other SHA-256 based coins. Built with air cooling, this miner maintains optimal operational temperatures, supporting continuous mining without overheating. Its compact dimensions of 400 x 195 x 290mm make it suitable for various installation environments, while its 75dB noise level is typical for industrial mining equipment. The Antminer S21+ operates on a standard voltage range of 100-240V and connects seamlessly via Ethernet, providing reliable network access. Released in June 2025, this model reflects the latest advancements in mining hardware, combining power, efficiency, and durability. Whether setting up a new mining farm or upgrading existing infrastructure, the Antminer S21+ offers a dependable solution for maximizing mining profitability. Its sturdy build and advanced cooling ensure long-term operation, making it an ideal choice for both professional miners and enterprise-level operations aiming to harness the full potential of the SHA-256 algorithm with high efficiency and low downtime.

Where to Buy?

Trusted vendors and current market availability, showcasing verified suppliers offering this ASIC miner along with their latest pricing and stock information.

No Offers Available

There are currently no offers for this miner. Please check back later.

Technical Specifications

Detailed hardware specifications and mining capabilities for Bitmain Antminer S21 Plus (225TH)

Basic Information

Brand
Bitmain
Model
Antminer S21+
Release Date
June 2025
Algorithm
SHA-256

Performance

Hashrate
225 TH/s
Power Consumption
3712W
Noise Level
75db
Voltage
100-240V

Physical Dimensions

Size
400 x 195 x 290mm
Interface
Ethernet
Humidity
5 - 95 %
Temperature
10 - 40 °C
Cooling
Air

Mineable Cryptocurrencies

Bitcoin
BTC
Bitcoin
Bitcoin Cash
BCH
Bitcoin Cash
Fractal Bitcoin
FB
Fractal Bitcoin

Algorithm Information: SHA-256

Learn more about the SHA-256 algorithm and how it works.

SHA-256 is a cryptographic hash function that serves as the backbone of Fractal Bitcoin proof-of-work consensus mechanism. This algorithm processes input data of any length and produces a fixed hash value, ensuring security and integrity in the mining process.

Crypto Mining Pools

Connect to the most reliable mining pools and maximize your crypto mining efficiency with optimized uptime and profitability.

Pool Fee & Payment Connect
NiceHash pool logo
Reseller
F2Pool pool logo
4% FPPS 2% PPLNS
ViaBTC pool logo
4% PPS+ 2% PPLNS
AntPool pool logo
4% FPPS 2% PPLNS
EMCD pool logo
1.5% FPPS
Kryptex pool logo
3% PPS+
BinancePool pool logo
2.5%

User Reviews

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Frequently Asked Questions

Everything you need to know about the Bitmain Antminer S21 Plus (225TH)

How efficient is the Bitmain Antminer S21+ 225TH/s?

The efficiency of the Bitmain Antminer S21+ 225TH/s is 16.50 J/TH with a hashrate of 225TH/s and power consumption of 3712W.

What are the electricity costs for the Bitmain Antminer S21+ 225TH/s (USD)?

The Bitmain Antminer S21+ 225TH/s consumes $7.13 daily, $213.81 monthly, and $2,601.37 yearly in electricity costs.

How much power does the Bitmain Antminer S21+ 225TH/s use?

The Bitmain Antminer S21+ 225TH/s uses 3712W of electricity.

Who manufactures the Antminer S21+?

The Antminer S21+ is manufactured by Bitmain.

What is the hashrate of the Bitmain Antminer S21+?

The Bitmain Antminer S21+ has a hashrate of 225TH/s using the SHA-256 algorithm.

Which cryptocurrencies can be mined with the Bitmain Antminer S21+ 225TH/s?

The Bitmain Antminer S21+ 225TH/s can mine the following cryptocurrencies:

NiceHash NiceHash (BTC) Bitcoin Bitcoin (BTC) Bitcoin Cash Bitcoin Cash (BCH) Fractal Bitcoin Fractal Bitcoin (FB)

Is the Bitmain Antminer S21+ 225TH/s a profitable miner?

As of July 16, 2026 with an electricity cost of $0.08 the Bitmain Antminer S21+ 225TH/s generates $0.27 daily, $8.10 monthly, and $98.55 yearly.

This makes the Bitmain Antminer S21+ 225TH/s a profitable choice for mining.

What is the most profitable coin to mine with the Bitmain Antminer S21+?

Based on our real-time ASIC mining profit calculation, the Bitmain Antminer S21+ is currently most profitable mining Fractal Bitcoin at your electricity rate of $0.080/kWh. This can change as coin prices and network difficulty shift, so check the Mineable Coins table above for the latest ranking.

How accurate is this Bitmain Antminer S21+ profit calculator?

This ASIC mining profit calculation for the Bitmain Antminer S21+ uses live cryptocurrency prices, current network difficulty, and block rewards for every supported coin, combined with your custom electricity rate. Figures update automatically as network conditions change, so the profitability shown reflects current conditions rather than a static estimate.

Should I mine directly or sell hashrate on NiceHash with the Bitmain Antminer S21+?

NiceHash is a hashpower marketplace, not a traditional mining pool — instead of mining a coin directly, you sell your Bitmain Antminer S21+ hashrate to buyers and get paid in Bitcoin. Compare the NiceHash row against direct-mining rows in the Mineable Coins table above: whichever shows the higher Profit/Day at your electricity rate is currently the better option for this specific miner.

Where can I buy the Bitmain Antminer S21+?

This miner is not currently listed by any of our verified vendors. You can still use the profitability figures on this page to plan ahead for when new listings appear.
BTC $64,591.99 ↘0.46%
ALPH $0.037250 ↗0.05%
KAS $0.028880 ↗0.73%
ETC $7.02 ↘0.16%
LTC $45.04 ↗0.04%
DOGE $0.073830 ↗0.11%
RXD $0.000076 ↗3.9%
BCH $220.93 ↘4.26%
CKB $0.000907 ↗0.23%
HNS $0.001198 ↗0.35%
KDA $0.005607 ↗0.28%
SC $0.000609 ↗0.06%
ALEO $0.038140 ↗1.02%
FB $0.357300 ↗2.71%
XMR $328.70 ↘0.03%
SCP $0.013450 ↘0.02%
BELLS $0.110100 ↘0.02%
XTM $0.000308 ↗0.51%
ZEC $567.03 ↗0.53%
BTC $64,591.99 ↘0.46%
ALPH $0.037250 ↗0.05%
KAS $0.028880 ↗0.73%
ETC $7.02 ↘0.16%
LTC $45.04 ↗0.04%
DOGE $0.073830 ↗0.11%
RXD $0.000076 ↗3.9%
BCH $220.93 ↘4.26%
CKB $0.000907 ↗0.23%
HNS $0.001198 ↗0.35%
KDA $0.005607 ↗0.28%
SC $0.000609 ↗0.06%
ALEO $0.038140 ↗1.02%
FB $0.357300 ↗2.71%
XMR $328.70 ↘0.03%
SCP $0.013450 ↘0.02%
BELLS $0.110100 ↘0.02%
XTM $0.000308 ↗0.51%
ZEC $567.03 ↗0.53%
BTC $64,591.99 ↘0.46%
ALPH $0.037250 ↗0.05%
KAS $0.028880 ↗0.73%
ETC $7.02 ↘0.16%
LTC $45.04 ↗0.04%
DOGE $0.073830 ↗0.11%
RXD $0.000076 ↗3.9%
BCH $220.93 ↘4.26%
CKB $0.000907 ↗0.23%
HNS $0.001198 ↗0.35%
KDA $0.005607 ↗0.28%
SC $0.000609 ↗0.06%
ALEO $0.038140 ↗1.02%
FB $0.357300 ↗2.71%
XMR $328.70 ↘0.03%
SCP $0.013450 ↘0.02%
BELLS $0.110100 ↘0.02%
XTM $0.000308 ↗0.51%
ZEC $567.03 ↗0.53%