Antminer S21 Hydro — Mining Profitability

The Antminer S21 Hydro (335 TH/s, 16 J/TH) trades at an estimated ~$4,858 (August 2026). At the current hashprice ($32/PH/day) it generates ~$10.62/day gross — about $2.90/day net at $0.06/kWh. Break-even electricity price: $0.083/kWh.

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Specifications

Hashrate

335 TH/s

Power

5,360W

Efficiency

16 J/TH

Cooling

Hydro

Release Date

April 2024

Est. $/TH

$14.5/TH

Manufacturer

Bitmain

Live Profitability

Compare with similar models

Antminer S21e Hyd

320 TH/s · 16 J/TH · Hydro

WhatsMiner M79

920 TH/s · 15.76 J/TH · Hydro

Antminer S21+ Hydro 319 TH

319 TH/s · 15 J/TH · Hydro

Compare in detail →

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