Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.


Option 1

Option 2

Antminer S21 Pro (234TH/s) comes out ahead on more buyer-facing signals here. CK-BOX 2 (2.1TH/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 | CK-BOX 2 (2.1TH/s) | Antminer S21 Pro (234TH/s) | Advantage |
|---|---|---|---|
| Brand | Goldshell | Antminer | Contextual |
| Model | CK | S21 | Contextual |
| Hashrate | 2.1 TH/s | 234 TH/s Best | Antminer S21 Pro (234TH/s) |
| Power Consumption | 400W Best | 3510W | CK-BOX 2 (2.1TH/s) |
| Efficiency | 190.48 J/TH | 15.00 J/TH Best | Antminer S21 Pro (234TH/s) |
| Daily energy use | 9.6 kWh Best | 84.2 kWh | CK-BOX 2 (2.1TH/s) |
| Net Daily Profit (Est.) | -$0.44 | $2.35 Best | Antminer S21 Pro (234TH/s) |
| Monthly Profit (Est.) | -$13.08 | $70.37 Best | Antminer S21 Pro (234TH/s) |
| Price | N/A | $1,713.44 | Contextual |
| Estimated ROI | N/A | 24 mo | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 178 x 84 x 150 mm | 400 x 290 x 195 mm | Contextual |
| Weight | 2000 g | N/A | Contextual |
Antminer S21 Pro (234TH/s) has the hashrate edge for raw output potential.
Antminer S21 Pro (234TH/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.
Antminer S21 Pro (234TH/s) has a higher hashrate of 234 TH/s compared to CK-BOX 2 (2.1TH/s)'s 2.1 TH/s.
Antminer S21 Pro (234TH/s) is more energy efficient at 15.00 J/TH.
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
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