Option 1
SealMiner A3 Hydro (500TH/s)
Option 2
STU-U2 (7TH/s)
SealMiner A3 Hydro (500TH/s) leads this comparison
SealMiner A3 Hydro (500TH/s) comes out ahead on more buyer-facing signals here. STU-U2 (7TH/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 Hydro (500TH/s) | STU-U2 (7TH/s) | Advantage |
|---|---|---|---|
| Brand | SealMiner | StrongU | Contextual |
| Model | A3 | STU | Contextual |
| Hashrate | 500 TH/s Best | 7 TH/s | SealMiner A3 Hydro (500TH/s) |
| Power Consumption | 6750W | 1600W Best | STU-U2 (7TH/s) |
| Efficiency | 13.50 J/TH Best | 228.57 J/TH | SealMiner A3 Hydro (500TH/s) |
| Daily energy use | 162.0 kWh | 38.4 kWh Best | STU-U2 (7TH/s) |
| Net Daily Profit (Est.) | $6.57 Best | -$0.86 | SealMiner A3 Hydro (500TH/s) |
| Monthly Profit (Est.) | $197.10 Best | -$25.92 | SealMiner A3 Hydro (500TH/s) |
| Price | $6,508.80 | N/A | Contextual |
| Estimated ROI | 33 mo | N/A | Contextual |
| Cooling | HYDRO | AIR | Contextual |
| Dimensions | 482 x 86 x 665 mm | 130 x 348 x 210 mm | Contextual |
| Weight | 20500 g | 6500 g Best | STU-U2 (7TH/s) |
Performance
SealMiner A3 Hydro (500TH/s) has the hashrate edge for raw output potential.
Efficiency
SealMiner A3 Hydro (500TH/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 Hydro (500TH/s) or STU-U2 (7TH/s)?
SealMiner A3 Hydro (500TH/s) has a higher hashrate of 500 TH/s compared to STU-U2 (7TH/s)'s 7 TH/s.
Is SealMiner A3 Hydro (500TH/s) more efficient than STU-U2 (7TH/s)?
Yes, SealMiner A3 Hydro (500TH/s) is more energy efficient at 13.50 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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