SealMiner A3 Air (260TH/s) vs STU-U1+ (12.8TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
SealMiner A3 Air (260TH/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. SealMiner A3 Air (260TH/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 | SealMiner A3 Air (260TH/s) | STU-U1+ (12.8TH/s) | Advantage |
|---|---|---|---|
| Brand | Sealminer | StrongU | Contextual |
| Model | A3 | STU | Contextual |
| Hashrate | 260 TH/s Best | 12.8 TH/s | SealMiner A3 Air (260TH/s) |
| Power Consumption | 3640W | 1850W Best | STU-U1+ (12.8TH/s) |
| Efficiency | 14.00 J/TH Best | 144.53 J/TH | SealMiner A3 Air (260TH/s) |
| Daily energy use | 87.4 kWh | 44.4 kWh Best | STU-U1+ (12.8TH/s) |
| Net Daily Profit (Est.) | $2.60 | $54.61 Best | STU-U1+ (12.8TH/s) |
| Monthly Profit (Est.) | $77.95 | $1,638.18 Best | STU-U1+ (12.8TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 197 x 292 x 365 mm | 130 x 348 x 210 mm | Contextual |
| Weight | 17000 g | 6600 g Best | STU-U1+ (12.8TH/s) |
Performance
SealMiner A3 Air (260TH/s) has the hashrate edge for raw output potential.
Efficiency
SealMiner A3 Air (260TH/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: SealMiner A3 Air (260TH/s) or STU-U1+ (12.8TH/s)?
SealMiner A3 Air (260TH/s) has a higher hashrate of 260 TH/s compared to STU-U1+ (12.8TH/s)'s 12.8 TH/s.
Is SealMiner A3 Air (260TH/s) more efficient than STU-U1+ (12.8TH/s)?
Yes, SealMiner A3 Air (260TH/s) is more energy efficient at 14.00 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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