Option 1
A9 ZMaster (50KH/s)
Option 2
SC1 Slim (550GH/s)
SC1 Slim (550GH/s) leads this comparison
SC1 Slim (550GH/s) comes out ahead on more buyer-facing signals here. A9 ZMaster (50KH/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 | A9 ZMaster (50KH/s) | SC1 Slim (550GH/s) | Advantage |
|---|---|---|---|
| Brand | Innosilicon | Obelisk | Contextual |
| Model | A9 | SC1 | Contextual |
| Hashrate | 50 KH/s | 550 GH/s Best | SC1 Slim (550GH/s) |
| Power Consumption | 620W | 450W Best | SC1 Slim (550GH/s) |
| Efficiency | 12.40 J/KH | 0.82 J/GH Best | SC1 Slim (550GH/s) |
| Daily energy use | 14.9 kWh | 10.8 kWh Best | SC1 Slim (550GH/s) |
| Net Daily Profit (Est.) | $0.62 Best | -$0.54 | A9 ZMaster (50KH/s) |
| Monthly Profit (Est.) | $18.52 Best | -$16.14 | A9 ZMaster (50KH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 125 x 360 x 155 mm | N/A | Contextual |
| Weight | 5920 g | N/A | Contextual |
Performance
SC1 Slim (550GH/s) has the hashrate edge for raw output potential.
Efficiency
SC1 Slim (550GH/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: A9 ZMaster (50KH/s) or SC1 Slim (550GH/s)?
SC1 Slim (550GH/s) has a higher hashrate of 550 GH/s compared to A9 ZMaster (50KH/s)'s 50 KH/s.
Is A9 ZMaster (50KH/s) more efficient than SC1 Slim (550GH/s)?
SC1 Slim (550GH/s) is more energy efficient at 0.82 J/GH.
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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