2
21energy
SHA-256 · Released 2026-Q2
Ofen 2
SHA-256· Mines 
BTC
BTCVerdict at your rate
NOT PROFITABLE
at /kWh
Profitability
At your electricity rate
Electricity rate
$0.080/kWh
$0.03$0.08 (hosted)$0.16 (US avg)$0.30
Profit per day
-$1.92
Annual ROI
—
Break-even Never
Revenue
$0.00
Coins mined × price
Electricity
-$1.92
1.00 kW × 24h × $0.080
Revenue vs Cost (daily)
Gross margin: — · Breaks even at $0.000/kWh
Break-even timeline
Path to profitability
Cumulative net P/L over 24 months from purchase date
Day 0
-$1,200
Never
$0
12 months
-$1,901
24 months
-$2,602
Specifications
Full spec sheet
Identity
Manufacturer21energy
AlgorithmSHA-256
CoinsBTC
Release2026-Q2
Performance
Hashrate40 TH/s
Power1,000 W
Efficiency25 J/TH
Hardware
Noise35 dB
Weight24,000 kg
Dimensions900 x 320 x 140 mm
Voltage—
Temperature5-45°C
Market Data
Estimated Price$1,200
MSRP$1,400
Price SourceEstimated from power × algorithm × release-age heuristic
Last VerifiedMay 12, 2026
Investor scenario
12-month projection
Stress-test returns against difficulty ramps and price swings
Coin price / mo
+0%
Network / mo
+1.5%
Uptime
97%
Facility load
5%
Fixed OpEx
$0 / mo
Resale
30%
12M net
-$619
Payback
Never
Avg $/day
-$1.69
Scenario
Base
Historical performance
Daily profit, last 90 days
Based on modeled market conditions and a constant $0.08/kWh rate.
90D AVG · -$1.89
-$1.89
90D HIGH · -$1.76
-$1.76
90D LOW · -$2.09
-$2.09
TREND · ↑
+12.0%
FAQ
Common questions
NOT PROFITABLE$0.080/kWh
Daily profit
-$1.92
PaybackNever
Est. price: $1,200
ESCROW.COM
Buyer protection on purchases over $1,000
Available from
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At a glance
Break-evenNever
Annual ROI—
Max rate—
Cost / BTC$∞
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