* Mining profitability *

Antminer S21 XP (270Th)

Antminer S21 XP Profit Calculator delivers accurate real-time profi

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Manufacturer
Bitmain
Antminer S21 XP (270Th)
Realtime Mining Profit
$1.64/day
270TH/s
Hashrate
3645W
Power

Profitability Analysis

Live Data

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

Current BTC Price $64,268.00
Period Income Expense Profit
Daily
$8.63 $7.00
$1.64
Monthly
$259.03 $209.95
$49.08
Yearly
$3,151.54 $2,554.42
$597.13
No Offer available
* Overview

Bitmain Antminer S21 XP (270TH/s) Hardware Overview

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

Beneath the fluorescent pulse of an industrial rack, the Antminer S21 XP emerges not as a tool but as an authoritarian paragraph in a corporate brief-270 TH/s of SHA‑256 brute force, 3,645 watts drawn like a city breath, 13.5 J/TH that reframes efficiency into a ledger where split seconds translate to mined blocks; it is engineered for Bitcoin, Bitcoin Cash and Namecoin, its four high‑speed fans a constant mechanical incantation keeping silicon within operational margins while a 75 dB roar declares this machine to be an installation for factories and data halls rather than quiet offices. The chassis-400 × 195 × 290 mm, about 14.4 kg-fits into rows and racks with the same indifferent precision the market uses to file risk, and its advanced cooling and robust construction are designed to sustain relentless cycles under rising network difficulty and after halving events when margins compress and only efficiency and scale decide who survives. Deployers should budget for industrial power circuits, steady HVAC, sound mitigation and dense networking because the miner’s performance is a promise contingent on infrastructure; measure inlet temperatures, plan airflow paths, verify breaker capacity, and factor long‑term hashrate decay into your fleet forecast. In the sterile arithmetic of profitability the device becomes both weapon and accelerator: the numbers-hashrate, watts, joules per terahash, noise, footprint-convert into scenarios in which electricity rate, pool luck and downtime fragment time itself until emotion is the only chronology left-greed, patience, the moment a block confirms-so use rigorous modeling and a profit calculator to stress‑test daily, monthly and annual returns under varying electricity rates, difficulty trajectories and pool fees to know when to expand, consolidate or cut losses.

Discover Which Coins This Miner Can Mine

Explore the cryptocurrencies that can be mined using Bitmain Antminer S21 XP (270TH/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
$8.63 $
0.00013435 Bitcoin Logo
$1.64 $
0.00002545 Bitcoin Logo
$8.63 $
0.00013411 Bitcoin Logo
$1.64 $
0.00002541 Bitcoin Logo
$7.73 $
0.03778745 Bitcoin Cash Logo
$0.73 $
0.00356712 Bitcoin Cash Logo
$8.62 $
24.97 Fractal Bitcoin Logo
$1.62 $
4.69 Fractal Bitcoin Logo

Historical Mining Performance

Bitmain Antminer S21 XP (270TH/s) performance trends over weekly, monthly, and yearly timeframes.

Historical Profitability

View the historical income and profit trends for this miner.

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.

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
* Deep dive

Bitmain Antminer S21 XP In Detail

Bitmain Antminer S21 XP (270TH/s) — a closer look at the hardware and how it performs.

The Antminer S21 XP delivers 270 TH/s on the SHA‑256 algorithm with a measured power draw of 3,645 watts and an energy efficiency of 13.5 J/TH, marrying raw hashing capacity to disciplined consumption. Its chips are built on Bitmain’s latest 5 nm node, a step that trims leakage and lets dynamic frequency scaling adjust clocking to workload for better long‑run efficiency. Thermal engineering is prominent: four high‑speed, high‑static‑pressure fans and a revised heat‑dissipation path keep junction temperatures in check while a reinforced PCB cuts electromagnetic noise and improves mechanical resilience for continuous industrial use. The miner runs loud at about 75 dB and occupies a compact footprint of 400 × 195 × 290 mm at roughly 14.4 kg, a form factor meant to fit dense racks without drama. Firmware support includes Bitmain’s proprietary updates and enhanced autotuning, so operators can stabilize performance over time rather than chase marginal gains manually. It is optimized for Bitcoin, Bitcoin Cash and Namecoin, and it rewards environments with robust power delivery, planned airflow, and effective HVAC rather than ad‑hoc installations. Deployers should verify breaker capacity, measure inlet temperatures, and plan sound mitigation and network density before scaling, because steady uptime and cooled silicon are the baseline for profitability. Expect gradual hashrate decay and build that into fleet forecasts with daily and monthly stress tests under varying difficulty and pool conditions. In short, the S21 XP is engineered for professional miners who prefer meticulous engineering over marketing flourish; it treats silicon like a favored athlete, coaxing reliable output night after night, provided the supporting infrastructure is equally disciplined.

* Full spec sheet

Technical Specifications

Antminer S21 XP (270Th) — full hardware specifications and mining capabilities.

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Basic Information

Brand
Bitmain
Model
Antminer S21 XP
Release Date
June 2024
Algorithm
SHA-256

Performance

Hashrate
270 TH/s
Power Consumption
3645W
Noise Level
40db
Voltage
100-240V

Physical Dimensions

Size
400 x 195 x 290mm
Weight
14500gkg
Interface
Ethernet 10/100M
Humidity
5 - 95 %
Temperature
5 - 45 °C
Cooling
Air

Mineable Cryptocurrencies

Bitcoin
BTC
Bitcoin
Bitcoin Cash
BCH
Bitcoin Cash
Fractal Bitcoin
FB
Fractal Bitcoin
* The algorithm

Algorithm Information: SHA-256

SHA-256 — what this algorithm is and how it works.

SHA-256 is a cryptographic hash function. Bitcoin relies on it for proof-of-work consensus. 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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* Answers Bitmain

Frequently Asked Questions

Everything you need to know about the Antminer S21 XP (270Th)

The efficiency of the Bitmain Antminer S21 XP 270TH/s is 13.50 J/TH with a hashrate of 270TH/s and power consumption of 3645W.

The Bitmain Antminer S21 XP 270TH/s consumes $7.00 daily, $209.95 monthly, and $2,554.42 yearly in electricity costs.

The Bitmain Antminer S21 XP 270TH/s uses 3645W of electricity.

The Antminer S21 XP is manufactured by Bitmain.

The Bitmain Antminer S21 XP has a hashrate of 270TH/s using the SHA-256 algorithm.

The Bitmain Antminer S21 XP 270TH/s can mine the following cryptocurrencies:

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

As of August 18, 2026 with an electricity cost of $0.08 the Bitmain Antminer S21 XP 270TH/s generates $1.64 daily, $49.08 monthly, and $597.13 yearly.

This makes the Bitmain Antminer S21 XP 270TH/s a profitable choice for mining.

Based on our real-time ASIC mining profit calculation, the Bitmain Antminer S21 XP is currently most profitable mining 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.

This ASIC mining profit calculation for the Bitmain Antminer S21 XP 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.

NiceHash is a hashpower marketplace, not a traditional mining pool — instead of mining a coin directly, you sell your Bitmain Antminer S21 XP 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.

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 $64,381.79 ↗0.86%
ALPH $0.026090 ↘3.73%
KAS $0.025720 ↘0.45%
ETC $6.18 ↘1%
LTC $44.58 ↘0.2%
DOGE $0.070280 ↘0.74%
RXD $0.000025 ↗1.42%
BCH $204.51 ↘0.84%
CKB $0.000816 ↘1.58%
HNS $0.001944 ↘0.46%
KDA $0.004613 ↘2.8%
SC $0.000462 ↘1.46%
ALEO $0.038140 ↗1.02%
FB $0.345100 ↘1.09%
XMR $413.92 ↘0.88%
SCP $0.022810 ↗4.03%
BELLS $0.107800 ↘1.42%
XTM $0.000317 ↗1.46%
ZEC $516.50 ↗0.55%
BTC $64,381.79 ↗0.86%
ALPH $0.026090 ↘3.73%
KAS $0.025720 ↘0.45%
ETC $6.18 ↘1%
LTC $44.58 ↘0.2%
DOGE $0.070280 ↘0.74%
RXD $0.000025 ↗1.42%
BCH $204.51 ↘0.84%
CKB $0.000816 ↘1.58%
HNS $0.001944 ↘0.46%
KDA $0.004613 ↘2.8%
SC $0.000462 ↘1.46%
ALEO $0.038140 ↗1.02%
FB $0.345100 ↘1.09%
XMR $413.92 ↘0.88%
SCP $0.022810 ↗4.03%
BELLS $0.107800 ↘1.42%
XTM $0.000317 ↗1.46%
ZEC $516.50 ↗0.55%
BTC $64,381.79 ↗0.86%
ALPH $0.026090 ↘3.73%
KAS $0.025720 ↘0.45%
ETC $6.18 ↘1%
LTC $44.58 ↘0.2%
DOGE $0.070280 ↘0.74%
RXD $0.000025 ↗1.42%
BCH $204.51 ↘0.84%
CKB $0.000816 ↘1.58%
HNS $0.001944 ↘0.46%
KDA $0.004613 ↘2.8%
SC $0.000462 ↘1.46%
ALEO $0.038140 ↗1.02%
FB $0.345100 ↘1.09%
XMR $413.92 ↘0.88%
SCP $0.022810 ↗4.03%
BELLS $0.107800 ↘1.42%
XTM $0.000317 ↗1.46%
ZEC $516.50 ↗0.55%