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MicroBT Whatsminer M21S 56T – air-cooled Bitcoin ASIC miner
MicroBT Whatsminer M21S 56T – air-cooled Bitcoin ASIC miner

Picture of the model. The unit you receive may differ in appearance.

AvailableCondition: NewMicroBT

MicroBT Whatsminer M21S 56 TH/s Bitcoin Miner

The Whatsminer M21S 56T is an air-cooled Bitcoin miner from MicroBT, rated at 56 TH/s and 3,360 W (60 J/TH).

Hashrate
56TH/s
Power
3,360W
Efficiency
60J/TH
derived: power ÷ hashrate
Cooling
Air-cooled
Coins
BTC

Retail price

$3,419.05

per unit · $61.05 per TH/s

  • 1–4 units$3,419.05
  • 5+ unitsVolume pricing available
View volume pricing
1–4 units$3,419.05
5–19 unitsVolume pricing on request
20–99 unitsRequest Quote
100+ unitsContact Mining Sales
Ships in
5–10 business days
$3,419.05Free standard shipping. Excludes duties and taxes
Request Wholesale Quote
Manufacturer
MicroBT
Model
Whatsminer M21S 56T
Algorithm
SHA-256
Condition
New
Running it at $0.06/kWh · estimateMining economicsEst. revenue / day$1.99Electricity / day$4.84Operating loss / day-$2.85

Product overview

The Whatsminer M21S 56T is an air-cooled Bitcoin miner from MicroBT, rated at 56 TH/s and 3,360 W (60 J/TH).

Condition: New.

  • 56 TH/s

    Rated hashrate

  • 60 J/TH

    Efficiency (power ÷ hashrate)

  • Air-cooled

    Cooling method

  • 3,360 W

    Power draw at the wall

Technical specifications

Fields that are not stated are left out rather than estimated.

Performance

Hashrate56 TH/s
Power consumption3,360 W
Efficiency60 J/TH (derived from power ÷ hashrate)
AlgorithmSHA-256
Supported coinsBTC

Cooling

Cooling typeAir-cooled

As stated by the source

Noise75db
Net weight12500g
Dimensions155 x 240 x 390mm
InterfaceEthernet
Operating temperature5 – 45 °C

Mining economics

Estimate output and operating cost for the Whatsminer M21S 56T at your own power price. Results are calculations from the inputs shown, not a forecast.

Electricity price (USD per kWh)
units
%
%
Network difficulty, Bitcoin price and hosting
USD
$/kWh

Added to the electricity price.

Open the full calculator

Estimated results (per miner, at $0.06/kWh)

Est. revenue / day
$1.99
0.00002465 BTC mined / day
Electricity cost / day
$4.84
80.6 kWh × $0.06
Operating loss / day
-$2.85
Revenue less electricity
Revenue / 30 days
$59.64
Electricity / 30 days
$145.15
Operating loss / 30 days
-$85.51
Energy / day
80.6 kWh
Energy / 30 days
2,419 kWh
Break-even electricity
$0.025/kWh

Estimates only. Not financial advice. Results vary with network difficulty, pool fees, uptime, market conditions, the Bitcoin price and the cost of electricity. They are calculated from the inputs shown at constant difficulty and price, and leave out the cost of the hardware, cooling, downtime, taxes and depreciation.

Network data as of 2026-10-28 13:00 UTC · price: mempool.space · difficulty: mempool.space · block reward 3.1391 BTC

Electricity cost by power price

Daily and 30-day electricity cost of Whatsminer M21S 56T at 3,360 W, with the estimated revenue beside it.

Electricity priceElectricity / dayElectricity / 30 daysEst. revenue / dayEst. net / day
$0.03/kWh$2.42$72.58$1.99-$0.43
$0.05/kWh$4.03$120.96$1.99-$2.04
$0.06/kWhselected$4.84$145.15$1.99-$2.85
$0.07/kWh$5.64$169.34$1.99-$3.66
$0.10/kWh$8.06$241.92$1.99-$6.08
$0.12/kWh$9.68$290.30$1.99-$7.69
$0.15/kWh$12.10$362.88$1.99-$10.11
$0.20/kWh$16.13$483.84$1.99-$14.14

Compare miners

How the Whatsminer M21S 56T compares with the closest alternatives by cooling type and efficiency.

Compare all miners
ModelHashratePowerEfficiencyCoolingPrice$/THSide by side
Whatsminer M21S 56T (this miner)56 TH/s3,360 W60 J/THAir-cooled$3,419.05$61.05
T3 50T50 TH/s3,100 W62 J/THAir-cooled$1,927.55$38.55Side by side
Avalon 1066 50Th/s Miner50 TH/s3,250 W65 J/THAir-cooled$844.55$16.89Side by side
Antminer T17 40th/s40 TH/s2,200 W55 J/THAir-cooled$948.10$23.70Side by side
Antminer T17E 53th/s Used (second hand)53 TH/s2,915 W55 J/THAir-cooled$3,656.55$68.99Side by side

Shipping

Standard shipping is free to every destination we ship to. If you need it faster, choose express shipping at checkout and we quote it before you pay. Import duties, taxes and customs clearance are set by the destination country and are the importer's responsibility unless your quotation states otherwise.

Request Express QuoteShipping policy

Whatsminer M21S 56T questions

How much electricity does the Whatsminer M21S 56T use?

The Whatsminer M21S 56T draws 3,360 W at the wall. Running continuously that is about 80.6 kWh per day and 2,419 kWh per 30 days. Multiply by your electricity price to get the running cost, or use the calculator.

What is the hashrate and efficiency of the Whatsminer M21S 56T?

Rated hashrate is 56 TH/s at 60 J/TH (derived from rated power ÷ rated hashrate). Lower J/TH means less energy per unit of hashrate. See Understanding J/TH.

How is the Whatsminer M21S 56T cooled?

The Whatsminer M21S 56T is air-cooled with built-in fans. It needs a steady supply of cool intake air and a path to exhaust hot air. Compare options in Air vs hydro Bitcoin miners.

Can I order the Whatsminer M21S 56T in bulk?

Yes. Orders are handled by quantity: small quantities through checkout when a price is published, and larger quantities by quotation with pricing, batch and logistics confirmed by sales. Request a wholesale quote.

Similar miners

The closest alternatives by cooling type and efficiency.

View all Bitcoin miners

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Wholesale & project supply

Need the Whatsminer M21S 56T in volume?

Send quantity, destination and required date. Sales replies with batch availability, unit pricing and freight options for your order size.

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  • Container orders
  • Project procurement
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Whatsminer M21S 56T

$3,419.05

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