Home / Bitcoin miners / Bitmain Antminer S21

Bitmain Antminer S21 (200 TH/s)

Sold out · last price $860 per unit · Bitmain · Air-cooled · SHA-256

Bitmain Antminer S21 bitcoin miner

The Bitmain Antminer S21 (200 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Aug 2023. It hashes at 200 TH/s while drawing 3,500 W, an efficiency of 17.5 J/TH. It is currently sold out; the figures below show what it would earn if hosted with us today.

Bitmain Antminer S21 profitability

As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $77,356.

PeriodBitcoin minedRevenueElectricityProfit
Daily0.000098 BTC$7.58$5.22$2.35
Weekly0.000686 BTC$53.04$36.56$16.48
Monthly0.002980 BTC$230.49$158.89$71.60
Yearly0.035752 BTC$2,765.62$1,906.47$859.15

Electricity per bitcoin mined: $53,325. Year 1 return: 35%.

Where to host the Bitmain Antminer S21

SiteCoolingRateUptimeCost per BTCProfit per monthAll-in per unitYear 1 return
UAEImmersion6.0¢99.3%$53,325$72$2,96729%
NigeriaAir-cooled4.0¢74.7%$35,550$94$2,57544%
ArgentinaAir-cooled6.0¢98.7%$53,325$72$2,43235%

Bitmain Antminer S21 specifications

SpecificationValue
ManufacturerBitmain
ModelBitmain Antminer S21
Release dateAug 2023
AlgorithmSHA-256
Hashrate200 TH/s
Power consumption3500 W
Efficiency17.5 J/TH
CoolingAir-cooled
Dimensions400 x 195 x 290 mm (approx.)
Weight16 kg (approx.)

Bitmain Antminer S21 FAQ

How much does the Bitmain Antminer S21 cost?

The Bitmain Antminer S21 (200 TH/s) is sold out with us; its market price is about $860 per unit ($4.30 per TH/s). Delivered, imported, installed and hosted in Argentina with a two-month hosting deposit, the all-in cost is about $2,432 per machine.

Is the Bitmain Antminer S21 (200 TH/s) profitable?

As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S21 (200 TH/s) is calculated to generate $2.35 daily, $71.60 monthly and $859.15 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.

What does it cost to mine one bitcoin with the Bitmain Antminer S21?

Electricity to mine one bitcoin with the Bitmain Antminer S21 costs about $53,325 in Argentina, and $53,325 in UAE and $35,550 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made 31% below the price of buying one.

What is the year 1 return of the Bitmain Antminer S21?

At current bitcoin price and difficulty, the Bitmain Antminer S21 returns 29–44% in its first year at our sites, after electricity, against everything paid up front: the machine, shipping, import, infrastructure, setup and hosting deposit. You keep the machine and every bitcoin it mines. It always changes.

What is the hashrate and power consumption of the Bitmain Antminer S21?

The Bitmain Antminer S21 produces 200 TH/s of SHA-256 hashrate and consumes 3,500 W, giving an efficiency of 17.5 J/TH.

What are the dimensions and weight of the Bitmain Antminer S21?

The Bitmain Antminer S21 measures about 400 x 195 x 290 mm and weighs around 16 kg.

Is the Bitmain Antminer S21 air-cooled or hydro-cooled?

The Bitmain Antminer S21 is air-cooled with fans. In the UAE we run air-cooled machines in immersion tanks instead, which keeps them cool in desert heat.

Where can the Bitmain Antminer S21 be hosted?

We can host the Bitmain Antminer S21 in UAE (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (4.0¢/kWh, 74.7% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.

When was the Bitmain Antminer S21 released?

Bitmain announced the Bitmain Antminer S21 in Aug 2023.

Alternatives to the Bitmain Antminer S21