Energy efficiency
17.0 J/TH
4,896 W ÷ 288 TH/s
#54 of 99 in the catalog
ASIC miner · Bitmain Sold by manufacturer: yes
Bitmain Antminer S21e Hyd
A hydro-cooled Bitcoin ASIC with 288 TH/s at 4,896 W — 17.0 J/TH.
About Antminer S21e Hyd
The Antminer S21e Hyd is Bitmain's hydro-cooled model, released in April 2025. At 17.0 J/TH it ranks #54 of 99 in the catalog by efficiency, and 25th of 33 among hydro-cooled machines.
With a water cooling loop and 4.9 kW it needs a hosting site or a data center. It comes in hashrate variants from 288 to 310 TH/s; this page uses the manufacturer's nominal 288 TH/s.
What the specs add up to
Derived from the specs below, with the formula on every card. Estimates, not a forecast
Electricity used per day
117.5 kWh
4.90 kW × 24 h
42.9 MWh a year
Electricity cost per day
$11.75
117.5 kWh × $0.10 per kWh
Break-even electricity price
$0.074 / kWh
Estimated daily reward ÷ electricity used per day
As of 13 Nov 2026
Built for
Data center
4.90 kW of heat
Home class: up to 50 dB and 1.4 kW, air cooling
Hashrate per kW
58.8 TH/s
288 TH/s ÷ 4.90 kW
Antminer S21e Hyd or a digital miner with the same 288 TH/s
Same hashrate, side by side. Scenario: you run the machine yourself, on household electricity. Numbers follow our reward calculator and update daily
BTC price · 13 Nov 2026$70,780
Antminer S21e Hyd
Your own machine · 288 TH/s · 17.0 J/TH
- Upfront cost
- Not shownNot in the catalog yet — see the manufacturer's store
- Reward per day (est.)
- 0.00012 BTC≈ $8.67 at the same hashrate
- Running cost per day
- $11.754.90 kW × 24 h × $0.10 per kWh
- Net per day (est.)
- −$3.08At your electricity price
- Delivery and setup
- Shipping, customs, pool setup
- Noise and heat
- 4.90 kW of heat at your place
GoMining digital miner
288 TH/s · 15 J/TH · runs in our data centers
- Upfront cost
- $3,286288 TH × $11.41 per TH
- Reward per day (est.)
- 0.00012 BTC≈ $8.67
- Running cost per day
- $7.75Daily maintenance fee: electricity and service
- Net per day (est.)
- $0.93After the maintenance fee
- Delivery and setup
- Nothing to ship — runs in the app
- Noise and heat
- Nothing at your place
Break-even electricity price for this model: $0.074 per kWh. Above it, electricity costs more than the estimated reward
Estimates, not a forecast. Based on the BTC price, network difficulty and GoMining fees as of 13 Nov 2026; specs as published by the manufacturer. Assumes the machine runs 24/7 with no pool fee; industrial hosting is a different calculation. The digital miner's fee is shown before discounts. Mining rewards vary and are not guaranteed; they may fall below fees. Not investment advice. See terms
Antminer S21e Hyd specifications
16 characteristics, each with its source and the date we checked it. Values are nominal, as published by the manufacturer
- Published spec
- Calculated by GoMining
- Not found
- Manufacturer
- Bitmain
- Model
- Antminer S21e Hyd
- Algorithm
- SHA-256 (Bitcoin)
- Energy efficiency
- 17.0 J/TH
- Calculated
- Noise level
- —The manufacturer does not publish it
- Not found · 16 Oct 2026
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