ASIC miner comparison

SealMiner A2 Pro Air (255TH/s) vs STU-U1+ (12.8TH/s)

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

SealMiner A2 Pro Air (255TH/s)
VS
STU-U1+ (12.8TH/s)
Higher hashrate
A2
Better efficiency
A2
Estimated net daily
STU
Hosted power rate
$0.060/kWh

Option 1

SealMiner A2 Pro Air (255TH/s)

100 available
SealMiner A2 Pro Air (255TH/s)
Price
$3,008.29
ROI
39 mo
Hashrate
255 TH/s
Net daily
$2.56
Open product page

Option 2

STU-U1+ (12.8TH/s)

Ask availability
STU-U1+ (12.8TH/s)
Price
N/A
ROI
N/A
Hashrate
12.8 TH/s
Net daily
$76.31
Open product page

STU-U1+ (12.8TH/s) leads this comparison

STU-U1+ (12.8TH/s) comes out ahead on more buyer-facing signals here. SealMiner A2 Pro Air (255TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

A2
2
metric wins
STU
5
metric wins

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.

FeatureSealMiner A2 Pro Air (255TH/s)STU-U1+ (12.8TH/s)Advantage
Brand
SealMiner
StrongU
Contextual
Model
A2
STU
Contextual
Hashrate
255 TH/s
Best
12.8 TH/s
SealMiner A2 Pro Air (255TH/s)
Power Consumption
3790W
1850W
Best
STU-U1+ (12.8TH/s)
Efficiency
14.86 J/TH
Best
144.53 J/TH
SealMiner A2 Pro Air (255TH/s)
Daily energy use
91.0 kWh
44.4 kWh
Best
STU-U1+ (12.8TH/s)
Net Daily Profit (Est.)
$2.56
$76.31
Best
STU-U1+ (12.8TH/s)
Monthly Profit (Est.)
$76.87
$2,289.18
Best
STU-U1+ (12.8TH/s)
Price
$3,008.29
N/A
Contextual
Estimated ROI
39 mo
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
N/A
130 x 348 x 210 mm
Contextual
Weight
17000 g
6600 g
Best
STU-U1+ (12.8TH/s)

Performance

SealMiner A2 Pro Air (255TH/s) has the hashrate edge for raw output potential.

Efficiency

SealMiner A2 Pro Air (255TH/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 A2 Pro Air (255TH/s) or STU-U1+ (12.8TH/s)?

SealMiner A2 Pro Air (255TH/s) has a higher hashrate of 255 TH/s compared to STU-U1+ (12.8TH/s)'s 12.8 TH/s.

Is SealMiner A2 Pro Air (255TH/s) more efficient than STU-U1+ (12.8TH/s)?

Yes, SealMiner A2 Pro Air (255TH/s) is more energy efficient at 14.86 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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