Bitmain

Antminer S21

Hosted byCyberian Mine
Antminer S21 model reference image

SN DGA••••5YT

Hashrate
200TH/s
Power
3.50kW
Efficiency
17.5J/TH
Cooling
Air cooled
Hosting
$0.069/kWh≈ $5.80/day at full delivery
Storage when stopped
$0.50/day
Terms protected
Hosting & storage rates locked until Feb 7, 2027, UTCMax 10% per change, no more than once every 180 days
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Mining calculator

$81,811 · current$409,055 · 5×
BTC mined · 3 years
0.0753 BTC
Net · 3 years
$3,253
First break-even
13 months
Net after purchase USD · leftBTC price USD · rightBreak-even $0 net
Purchase price$1,750
Mining result and BTC price scenario over 3 yearsSolid green: net after purchase, left USD axis, starting at -$1,750. Dashed orange: BTC price, right USD axis. Break-even is $0 cumulative net after purchase and running costs.-$2K$0$2K$4K$0$100K$200K$300KHalving · m18Today1y2y3y

Focus the chart and use arrow keys to explore months. Home and End show the endpoints. Escape hides the values.

Calculation assumptions

The BTC graph includes illustrative price fluctuations; those same prices are used to calculate earnings.

Includes an estimated halving in month 18. Excludes resale value and taxes.

Market snapshot · 19 Oct 2026: BTC $81,811 · difficulty 132.72T