B
Bitmain
SHA-256 · Released 2024-Q3
Antminer S21 Pro (234Th)
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
-$6.74
Annual ROI
—
Break-even Never
Revenue
$0.00
Coins mined × price
Electricity
-$6.74
3.51 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
-$5,815
Never
$0
12 months
-$8,275
24 months
-$10,734
Specifications
Full spec sheet
Identity
ManufacturerBitmain
AlgorithmSHA-256
CoinsBTC
Release2024-Q3
Performance
Hashrate234 TH/s
Power3,510 W
Efficiency15 J/TH
Hardware
Noise75 dB
Weight0 kg
Dimensions400 x 195 x 290 mm
Voltage—
Temperature5-45°C
Market Data
Estimated Price$5,815
MSRP$2,750
Price SourceMedian of 11 vendor listings on asicminervalue.com (low: $1960)
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
-$2,171
Payback
Never
Avg $/day
-$5.95
Scenario
Base
Historical performance
Daily profit, last 90 days
Based on modeled market conditions and a constant $0.08/kWh rate.
90D AVG · -$6.66
-$6.66
90D HIGH · -$6.15
-$6.15
90D LOW · -$7.60
-$7.60
TREND · ↑
+12.4%
FAQ
Common questions
NOT PROFITABLE$0.080/kWh
Daily profit
-$6.74
PaybackNever
Est. price: $5,815
ESCROW.COM
Buyer protection on purchases over $1,000
Available from
1 verified seller in stock
D-Central Technologies
Montreal, Canada★ 4.5· checked 4h ago
$5,815
Buy now →At a glance
Break-evenNever
Annual ROI—
Max rate—
Cost / BTC$∞
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