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Innosilicon
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ASIC
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Scrypt
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RELEASED NOV 2017
Innosilicon A4+ LTCMaster — ROI calculator
Profit /day
$-1.38
Income /day
$0.42
3.33 DOGE/day
Cost $1.80 @ $0.1/kWh
Hashrate
620Mh/s
Scrypt
Power · Efficiency
750.0W
1.21 j/Mh
Innosilicon A4+ LTCMaster loses up to $1.38 a day, best on Scrypt hashpower sale. Also available: mining Scrypt at 620 Mh/s ($-1.55/day). Pulling 750 W from the wall — at $0.10/kWh, not quite breaking even at today's rates.
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10 minutes ago
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Tap to switch · 8 sections ROI calculator 7/8
ROI calculator
ROI calculator for Innosilicon A4+ LTCMaster
Model payback, electricity, and first-year return for this rig.
Hardware cost
$5,000
Electricity rate
$0.10/kWh
Runtime per day
24
Pool fee
2.0%
Difficulty growth /yr
+0%
Net profit /day
$0.00
after electricity & fees
Payback period
—
—
First-year return
$0
—
Projected cumulative profit
The line crosses $0 on the day you break even. Everything above is pure profit.
Monthly P&L · 3-year horizon
Capital cost is booked in month 1. Cumulative columns include the rig purchase, so Net goes positive at true breakeven.
| Month | Earned (mo) | Cost burned (mo) | Cumulative earned | Cumulative cost | Net | % ROI |
|---|
Profit vs cost
cost 600.0%
Tap to switch · 8 sections ROI calculator 7/8
ROI calculator
ROI calculator for Innosilicon A4+ LTCMaster
Model payback, electricity, and first-year return for this rig.
Hardware cost
$5,000
Electricity rate
$0.10/kWh
Runtime per day
24
Pool fee
2.0%
Difficulty growth /yr
+0%
Net profit /day
$0.00
after electricity & fees
Payback period
—
—
First-year return
$0
—
Projected cumulative profit
The line crosses $0 on the day you break even. Everything above is pure profit.
Monthly P&L · 3-year horizon
Capital cost is booked in month 1. Cumulative columns include the rig purchase, so Net goes positive at true breakeven.
| Month | Earned (mo) | Cost burned (mo) | Cumulative earned | Cumulative cost | Net | % ROI |
|---|
Frequently asked
About the Innosilicon A4+ LTCMaster
Is the Innosilicon A4+ LTCMaster profitable?
As of October 2026, the Innosilicon A4+ LTCMaster earns $-1.50/day mining Scrypt at an electricity cost of $0.1/kWh. At this electricity rate it is not profitable.
What is the payback period for the Innosilicon A4+ LTCMaster?
Payback equals hardware cost divided by daily profit. The ROI calculator on this page projects payback months for the Innosilicon A4+ LTCMaster at $0.1/kWh — adjust the electricity rate and the hardware cost to match your scenario. Most miners aim for 12–24 month payback on new hardware.
What's the break-even electricity rate for the Innosilicon A4+ LTCMaster?
Break-even electricity is the rate above which the Innosilicon A4+ LTCMaster stops being profitable. The calculator below derives it from the rig's revenue and power draw — anything below this rate yields positive daily profit, anything above turns the rig into a net loss.
