●
Nvidia
·
GPU
·
Octopus
·
RELEASED MAY 2020
Nvidia A100 SXM 40GB — ROI calculator
Profit /day
$-0.03
Income /day
$0.93
21.16 CFX/day
Cost $0.96 @ $0.1/kWh
Hashrate
120Mh/s
Octopus
Power · Efficiency
400.0W
3.33 j/Mh
Nvidia A100 SXM 40GB loses up to $0.03 a day, best on Octopus mining at 120 Mh/s. Also available: Octopus hashpower sale ($-0.05/day). Pulling 400 W from the wall — at $0.10/kWh, not quite breaking even at today's rates.
●
13 minutes ago
Similar miners ↓
Tap to switch · 7 sections ROI calculator 6/7
ROI calculator
ROI calculator for Nvidia A100 SXM 40GB
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 103.23%
Tap to switch · 7 sections ROI calculator 6/7
ROI calculator
ROI calculator for Nvidia A100 SXM 40GB
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 A100 SXM 40GB
Is the Nvidia A100 SXM 40GB profitable?
As of November 2026, the Nvidia A100 SXM 40GB earns $-0.03/day mining Octopus at an electricity cost of $0.1/kWh. At this electricity rate it is not profitable.
What is the payback period for the Nvidia A100 SXM 40GB?
Payback equals hardware cost divided by daily profit. The ROI calculator on this page projects payback months for the Nvidia A100 SXM 40GB 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 A100 SXM 40GB?
Break-even electricity is the rate above which the Nvidia A100 SXM 40GB 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.