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SEALMINER A2 Pro Air 258 TH/s

SKU: BITDEER-SEALMINER-A2PRO-AIR-258T

Other hashrate: 255 TH/s

  • Hashrate258 TH/s
  • Power3844 W
  • Efficiency14.9 J/TH
  • AlgorithmSHA-256
  • CoinBTC

€3,398.87

(excl.VAT)
1

Guaranteed Safe Checkout

Mineshop checkout options

About 11 days delivery

Order confirmed within 24h
  • Tracked deliveryTo all 27 EU countries

  • Warranty & supportAfter-sales help

  • Card, bank, cryptoSecure checkout

Calculate profitability

Estimate

Miner revenue varies with coin mining difficulty

€
Profit / day
+€2.63
Profit over 200 days
+€527
Break-even electricity price
€0.079/kWh
Pays for itself in
≈ 3.5 years≈ 4.3 years

Live daily miner revenue €7.25 Power cost / day €4.61

Revenue and profit per day
  • Revenue
  • Profit at €0.05/kWh

Estimate for 258 TH/s at today’s Bitcoin difficulty, block reward and BTC price (mempool.space, CoinGecko; updated 2026-11-12 12:55 UTC), before pool fees. Power cost = watts × 24 h × your price per kWh.

Description for: SEALMINER A2 Pro Air 258 TH/s

SEALMINER A2 Pro Air – 258 TH/s

An air-cooled Bitcoin ASIC miner using the SHA-256 algorithm. This variant delivers 258 TH/s at 14.9 J/TH.

Explore ASIC miners

Technical specifications

AlgorithmSHA-256
Hashrate258 TH/s
Energy efficiency14.9 J/TH
Estimated power≈ 3844.2 W (258 × 14.9)
CoolingAir

Estimated power is calculated as 258 TH/s × 14.9 J/TH = approximately 3,844.2 W. Actual consumption may vary.

Frequently asked questions

Q1: What algorithm does it use?
SHA-256, used for Bitcoin mining.

Q2: How is power calculated?
258 TH/s multiplied by 14.9 J/TH gives approximately 3,844.2 W.

Q3: What affects profitability?
Electricity prices, network difficulty and the Bitcoin price are among the factors.

Warranty

12-month warranty. Statutory consumer rights remain unaffected.

Bitdeer

Specifications: SEALMINER A2 Pro Air 258 TH/s

Coin

BTC

Consumption

3.84 kW

Hashrate

258Th/s

Efficiency

14.9 J/TH

ModelA2 Pro

CoinBTC

Hashrate258Th/s

Sizes197x365x292mm

Consume, kWh3844w

Energy Efficiency14.9j/Ths

Fans4

Voltage220–277V

InterfaceRJ45 Ethernet 10/100M

Temperature0-40c

Warranty12 months

Warranty

Factory warranty per manufacturer guidelines
Working product delivery guaranteed
Full after-sales support team

Terms of Sale

Payment proof required within 24 hours
Reservation confirmed upon receipt of payment
Industrial ASIC miners: all sales are final. Other products: 14-day return if unopened.

Shipping Information

Express: Europe 1–3 days, US & Asia 2–5 days
Economy: Europe 3–6 days
About 11 days delivery
Ships via DHL, FedEx & UPS

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SEALMINER A2 Pro Air 258 TH/s
€3,398.87 €4,180.61 (excl.VAT) incl. VAT