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Nvidia
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GPU
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Octopus
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RELEASED JAN 2021
Nvidia CMP 40HX — Profitability Simulator
Profit /day
$0.45
Income /day
$0.68
5.69 CFX/day
Cost $0.23 @ $0.1/kWh
Hashrate
36.78Mh/s
Octopus
Power · Efficiency
97.0W
2.64 j/Mh
Nvidia CMP 40HX makes up to $0.45 a day, best on ProgPowZ hashpower sale. Also available: mining Octopus at 36.78 Mh/s ($0.08/day). Pulling 97 W from the wall — at $0.10/kWh, profitable at today's rates.
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2 minutes ago
Similar miners ↓
Tap to switch · 7 sections Profitability Simulator 4/7
Profitability Simulator · Conflux
Conflux network →
Network hashrate
451.16 GH/s
This rig
36.78 Mh/s
Network ≈
12,267 rigs
Your share · 1 rig
—
Scenario · add 1 of this rig
vs Conflux network: 451.16 GH/s
| Rigs × Qty | Share | Rev /rig/day | Cost /rig/day | Profit /rig/day | Total profit /day |
|---|---|---|---|---|---|
| — | — | — | — | — | — |
Profit vs quantity added
Adjust the Quantity slider to see how adding more of this rig affects earnings.
Open in Mining Profitability Simulator — compare against other rigs
Add up to 4 rigs, plug in your own electricity rate, and stress-test network dilution at farm scale.
Profit vs cost
profit 25.81%
cost 74.19%
Tap to switch · 7 sections Profitability Simulator 4/7
Profitability Simulator · Conflux
Conflux network →
Network hashrate
451.16 GH/s
This rig
36.78 Mh/s
Network ≈
12,267 rigs
Your share · 1 rig
—
Scenario · add 1 of this rig
vs Conflux network: 451.16 GH/s
| Rigs × Qty | Share | Rev /rig/day | Cost /rig/day | Profit /rig/day | Total profit /day |
|---|---|---|---|---|---|
| — | — | — | — | — | — |
Profit vs quantity added
Adjust the Quantity slider to see how adding more of this rig affects earnings.
Open in Mining Profitability Simulator — compare against other rigs
Add up to 4 rigs, plug in your own electricity rate, and stress-test network dilution at farm scale.
Frequently asked
About the Nvidia CMP 40HX
Is the Nvidia CMP 40HX profitable?
As of September 2026, the Nvidia CMP 40HX earns $0.08/day mining Octopus at an electricity cost of $0.1/kWh. Yes, it is currently profitable.
How does Octopus network hashrate change Nvidia CMP 40HX profit?
When Octopus network hashrate rises, your share of block rewards shrinks proportionally — the Nvidia CMP 40HX earns less even if the coin price stays flat. The simulator above lets you scale network hashrate up or down to model competitive pressure from new miners coming online.
What if the Octopus coin price moves?
Block rewards are paid in the native coin, so daily revenue scales with price. Doubling the price roughly doubles the Nvidia CMP 40HX's revenue — and because electricity is fixed, profit grows by more than 2×. The simulator above lets you set a custom price to model upside or downside.