ASIC miner comparison

X4-1U (520MH/s) vs SealMiner A2 Pro Air (255TH/s)

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

X4-1U (520MH/s)
VS
SealMiner A2 Pro Air (255TH/s)
Higher hashrate
A2
Better efficiency
X4-1U
Estimated net daily
A2
Hosted power rate
$0.060/kWh

Option 1

X4-1U (520MH/s)

Ask availability
X4-1U (520MH/s)
Price
N/A
ROI
N/A
Hashrate
520 MH/s
Net daily
-$0.07
Open product page

Option 2

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
$2.52
Open product page

Balanced match

X4-1U (520MH/s) and SealMiner A2 Pro Air (255TH/s) are close enough that your final choice should come down to stock, delivery timing, and hosting preference.

X4-1U
3
metric wins
A2
3
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.

FeatureX4-1U (520MH/s)SealMiner A2 Pro Air (255TH/s)Advantage
Brand
Jasminer
SealMiner
Contextual
Model
X4-1U
A2
Contextual
Hashrate
520 MH/s
255 TH/s
Best
SealMiner A2 Pro Air (255TH/s)
Power Consumption
240W
Best
3790W
X4-1U (520MH/s)
Efficiency
0.46 J/MH
Best
14.86 J/TH
X4-1U (520MH/s)
Daily energy use
5.8 kWh
Best
91.0 kWh
X4-1U (520MH/s)
Net Daily Profit (Est.)
-$0.07
$2.52
Best
SealMiner A2 Pro Air (255TH/s)
Monthly Profit (Est.)
-$1.97
$75.67
Best
SealMiner A2 Pro Air (255TH/s)
Price
N/A
$3,008.29
Contextual
Estimated ROI
N/A
39 mo
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
450 x 462 x 44 mm
N/A
Contextual
Weight
N/A
17000 g
Contextual

Performance

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

Efficiency

X4-1U (520MH/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: X4-1U (520MH/s) or SealMiner A2 Pro Air (255TH/s)?

SealMiner A2 Pro Air (255TH/s) has a higher hashrate of 255 TH/s compared to X4-1U (520MH/s)'s 520 MH/s.

Is X4-1U (520MH/s) more efficient than SealMiner A2 Pro Air (255TH/s)?

Yes, X4-1U (520MH/s) is more energy efficient at 0.46 J/MH.

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

Curious? Let’s connect to answer your questions.