Option 1
CK-BOX 2 (2.1TH/s)
Option 2
STU-U1+ (12.8TH/s)
STU-U1+ (12.8TH/s) leads this comparison
STU-U1+ (12.8TH/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.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | CK-BOX 2 (2.1TH/s) | STU-U1+ (12.8TH/s) | Advantage |
|---|---|---|---|
| Brand | Goldshell | StrongU | Contextual |
| Model | CK | STU | Contextual |
| Hashrate | 2.1 TH/s | 12.8 TH/s Best | STU-U1+ (12.8TH/s) |
| Power Consumption | 400W Best | 1850W | CK-BOX 2 (2.1TH/s) |
| Efficiency | 190.48 J/TH | 144.53 J/TH Best | STU-U1+ (12.8TH/s) |
| Daily energy use | 9.6 kWh Best | 44.4 kWh | CK-BOX 2 (2.1TH/s) |
| Net Daily Profit (Est.) | -$0.42 | $55.18 Best | STU-U1+ (12.8TH/s) |
| Monthly Profit (Est.) | -$12.48 | $1,655.28 Best | STU-U1+ (12.8TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 178 x 84 x 150 mm | 130 x 348 x 210 mm | Contextual |
| Weight | 2000 g Best | 6600 g | CK-BOX 2 (2.1TH/s) |
Performance
STU-U1+ (12.8TH/s) has the hashrate edge for raw output potential.
Efficiency
STU-U1+ (12.8TH/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: CK-BOX 2 (2.1TH/s) or STU-U1+ (12.8TH/s)?
STU-U1+ (12.8TH/s) has a higher hashrate of 12.8 TH/s compared to CK-BOX 2 (2.1TH/s)'s 2.1 TH/s.
Is CK-BOX 2 (2.1TH/s) more efficient than STU-U1+ (12.8TH/s)?
STU-U1+ (12.8TH/s) is more energy efficient at 144.53 J/TH.
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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