ASIC miner comparison

SealMiner A2 Pro Air (255TH/s) vs A8+ CryptoMaster (240KH/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
A8+ CryptoMaster (240KH/s)
Higher hashrate
A2
Better efficiency
A8+
Estimated net daily
A2
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

A8+ CryptoMaster (240KH/s)

Ask availability
A8+ CryptoMaster (240KH/s)
Price
N/A
ROI
N/A
Hashrate
240 KH/s
Net daily
-$0.69
Open product page

A8+ CryptoMaster (240KH/s) leads this comparison

A8+ CryptoMaster (240KH/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
3
metric wins
A8+
4
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)A8+ CryptoMaster (240KH/s)Advantage
Brand
SealMiner
Innosilicon
Contextual
Model
A2
A8+
Contextual
Hashrate
255 TH/s
Best
240 KH/s
SealMiner A2 Pro Air (255TH/s)
Power Consumption
3790W
480W
Best
A8+ CryptoMaster (240KH/s)
Efficiency
14.86 J/TH
2.00 J/KH
Best
A8+ CryptoMaster (240KH/s)
Daily energy use
91.0 kWh
11.5 kWh
Best
A8+ CryptoMaster (240KH/s)
Net Daily Profit (Est.)
$2.56
Best
-$0.69
SealMiner A2 Pro Air (255TH/s)
Monthly Profit (Est.)
$76.87
Best
-$20.73
SealMiner A2 Pro Air (255TH/s)
Price
$3,008.29
N/A
Contextual
Estimated ROI
39 mo
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
N/A
160 x 350 x 250 mm
Contextual
Weight
17000 g
7300 g
Best
A8+ CryptoMaster (240KH/s)

Performance

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

Efficiency

A8+ CryptoMaster (240KH/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 A8+ CryptoMaster (240KH/s)?

SealMiner A2 Pro Air (255TH/s) has a higher hashrate of 255 TH/s compared to A8+ CryptoMaster (240KH/s)'s 240 KH/s.

Is SealMiner A2 Pro Air (255TH/s) more efficient than A8+ CryptoMaster (240KH/s)?

A8+ CryptoMaster (240KH/s) is more energy efficient at 2.00 J/KH.

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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