D1 Mini Pre (2.2GH/s) vs A9++ ZMaster (140KH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
D1 Mini Pre (2.2GH/s)
Option 2
A9++ ZMaster (140KH/s)
D1 Mini Pre (2.2GH/s) leads this comparison
D1 Mini Pre (2.2GH/s) comes out ahead on more buyer-facing signals here. A9++ ZMaster (140KH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | D1 Mini Pre (2.2GH/s) | A9++ ZMaster (140KH/s) | Advantage |
|---|---|---|---|
| Brand | VolcMiner | Innosilicon | Contextual |
| Model | D1 Mini | A9++ | Contextual |
| Hashrate | 2.2 GH/s Best | 140 KH/s | D1 Mini Pre (2.2GH/s) |
| Power Consumption | 500W Best | 1550W | D1 Mini Pre (2.2GH/s) |
| Efficiency | 227.27 J/GH | 11.07 J/KH Best | A9++ ZMaster (140KH/s) |
| Daily energy use | 12.0 kWh Best | 37.2 kWh | D1 Mini Pre (2.2GH/s) |
| Net Daily Profit (Est.) | $0.12 | $1.89 Best | A9++ ZMaster (140KH/s) |
| Monthly Profit (Est.) | $3.60 | $56.64 Best | A9++ ZMaster (140KH/s) |
| Price | $640.71 | N/A | Contextual |
| Estimated ROI | 175 mo | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 175 x 135 x 202 mm | 155 x 360 x 250 mm | Contextual |
| Weight | 4650 g Best | 11000 g | D1 Mini Pre (2.2GH/s) |
Performance
D1 Mini Pre (2.2GH/s) has the hashrate edge for raw output potential.
Efficiency
A9++ ZMaster (140KH/s) is stronger when comparing joules per hash unit.
Buying decision
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Frequently asked questions
Which is more powerful: D1 Mini Pre (2.2GH/s) or A9++ ZMaster (140KH/s)?
D1 Mini Pre (2.2GH/s) has a higher hashrate of 2.2 GH/s compared to A9++ ZMaster (140KH/s)'s 140 KH/s.
Is D1 Mini Pre (2.2GH/s) more efficient than A9++ ZMaster (140KH/s)?
A9++ ZMaster (140KH/s) is more energy efficient at 11.07 J/KH.
Which miner has the better estimated ROI?
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Every Day You Wait is Revenue You Lose
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