Option 1

Option 2

RR-210 (30KH/s) comes out ahead on more buyer-facing signals here. L21 (550MH/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.
Side-by-side mining, operating, and commercial specs.
| Feature | RR-210 (30KH/s) | L21 (550MH/s) | Advantage |
|---|---|---|---|
| Brand | PinIdea | BW | Contextual |
| Model | RR | L | Contextual |
| Hashrate | 30 KH/s | 550 MH/s Best | L21 (550MH/s) |
| Power Consumption | 350W Best | 950W | RR-210 (30KH/s) |
| Efficiency | 11.67 J/KH | 1.73 J/MH Best | L21 (550MH/s) |
| Daily energy use | 8.4 kWh Best | 22.8 kWh | RR-210 (30KH/s) |
| Net Daily Profit (Est.) | -$0.50 Best | -$1.16 | RR-210 (30KH/s) |
| Monthly Profit (Est.) | -$15.12 Best | -$34.74 | RR-210 (30KH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 180 x 5000 x 380 mm | 130 x 350 x 155 mm | Contextual |
| Weight | N/A | 5750 g | Contextual |
L21 (550MH/s) has the hashrate edge for raw output potential.
L21 (550MH/s) is stronger when comparing joules per hash unit.
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
L21 (550MH/s) has a higher hashrate of 550 MH/s compared to RR-210 (30KH/s)'s 30 KH/s.
L21 (550MH/s) is more energy efficient at 1.73 J/MH.
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Curious? Let’s connect to answer your questions.