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Nvidia
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GPU
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KAWPOW
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RELEASED MAR 2025
Nvidia B300 — ROI calculator
Profit /day
RENTAL
8 offers
$126.34
Income /day
RENTAL
8 offers
$129.22
Cost $2.88 @ $0.1/kWh
Hashrate
115Mh/s
KAWPOW
Power · Efficiency
1200.0W
10.43 j/Mh
Nvidia B300 makes up to $126.34 a day, best on AI rental at $5.38/h across 8 offers. Also available: KAWPOW hashpower sale ($-1.88/day) and mining KAWPOW at 115 Mh/s ($-2.41/day). Pulling 1,200 W from the wall — at $0.10/kWh, profitable at today's rates.
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14 minutes ago
Similar miners ↓
Tap to switch · 8 sections ROI calculator 7/8
ROI calculator
ROI calculator for Nvidia B300
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
profit 97.77%
cost 2.23%
Tap to switch · 8 sections ROI calculator 7/8
ROI calculator
ROI calculator for Nvidia B300
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 Nvidia B300
Is the Nvidia B300 profitable?
As of October 2026, the Nvidia B300 earns $126.34/day renting on AI GPU marketplaces at an electricity cost of $0.1/kWh. Yes, it is currently profitable.
What is the payback period for the Nvidia B300?
Payback equals hardware cost divided by daily profit. The ROI calculator on this page projects payback months for the Nvidia B300 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 Nvidia B300?
Break-even electricity is the rate above which the Nvidia B300 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.
