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Bitdeer SEALMINER A3 Air – air-cooled Bitcoin ASIC miner

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AvailableCondition: NewBitdeer

Bitdeer SEALMINER A3 Air 260 TH/s Bitcoin Miner

The SEALMINER A3 Air is an air-cooled Bitcoin miner from Bitdeer, rated at 260 TH/s and 3,640 W (14 J/TH).

Hashrate
260TH/s
Power
3,640W
Efficiency
14J/TH
Cooling
Air-cooled
Coins
BTC, BCH, BSV

Retail price

$4,084.05

per unit · $15.71 per TH/s

  • 1–4 units$4,084.05
  • 5+ unitsVolume pricing available
View volume pricing
1–4 units$4,084.05
5–19 unitsVolume pricing on request
20–99 unitsRequest Quote
100+ unitsContact Mining Sales
Ships in
5–10 business days
$4,084.05Free standard shipping. Excludes duties and taxes

Product overview

The SEALMINER A3 Air is an air-cooled Bitcoin miner from Bitdeer, rated at 260 TH/s and 3,640 W (14 J/TH).

Condition: New.

  • 260 TH/s

    Rated hashrate

  • 14 J/TH

    Energy per terahash

  • Air-cooled

    Cooling method

  • 3,640 W

    Power draw at the wall

Technical specifications

Specifications as published by the manufacturer · last verified October 1, 2026 · Bitdeer documentation

Fields the manufacturer does not publish are left out rather than estimated.

Performance

Hashrate260 TH/s (±10%)
Power consumption3,640 W (±10%)
Efficiency14 J/TH
AlgorithmSHA-256
Supported coinsBTC, BCH, BSV

Cooling

Cooling typeAir-cooled

General

Release dateSeptember 16, 2025
Manufacturer warranty365-day warranty starting from the shipment date

Mining economics

Estimate output and operating cost for the SEALMINER A3 Air at your own power price. Results are calculations from the inputs shown, not a forecast.

Electricity price (USD per kWh)
units
%
%
Network difficulty, Bitcoin price and hosting
USD
$/kWh

Added to the electricity price.

Open the full calculator

Estimated results (per miner, at $0.06/kWh)

Est. revenue / day
$9.23
0.00011446 BTC mined / day
Electricity cost / day
$5.24
87.4 kWh × $0.06
Operating result / day
$3.99
Revenue less electricity
Revenue / 30 days
$276.90
Electricity / 30 days
$157.25
Operating result / 30 days
$119.65
Energy / day
87.4 kWh
Energy / 30 days
2,621 kWh
Break-even electricity
$0.106/kWh

Estimates only. Not financial advice. Results vary with network difficulty, pool fees, uptime, market conditions, the Bitcoin price and the cost of electricity. They are calculated from the inputs shown at constant difficulty and price, and leave out the cost of the hardware, cooling, downtime, taxes and depreciation.

Network data as of 2026-10-28 13:00 UTC · price: mempool.space · difficulty: mempool.space · block reward 3.1391 BTC

Electricity cost by power price

Daily and 30-day electricity cost of SEALMINER A3 Air at 3,640 W, with the estimated revenue beside it.

Electricity priceElectricity / dayElectricity / 30 daysEst. revenue / dayEst. net / day
$0.03/kWh$2.62$78.62$9.23$6.61
$0.05/kWh$4.37$131.04$9.23$4.86
$0.06/kWhselected$5.24$157.25$9.23$3.99
$0.07/kWh$6.12$183.46$9.23$3.11
$0.10/kWh$8.74$262.08$9.23$0.49
$0.12/kWh$10.48$314.50$9.23-$1.25
$0.15/kWh$13.10$393.12$9.23-$3.87
$0.20/kWh$17.47$524.16$9.23-$8.24

Compare miners

How the SEALMINER A3 Air compares with the closest alternatives by cooling type and efficiency.

Compare all miners
ModelHashratePowerEfficiencyCoolingPrice$/THSide by side
SEALMINER A3 Air (this miner)260 TH/s3,640 W14 J/THAir-cooled$4,084.05$15.71
Gamma 601 1.2T1.2 TH/s17 W14.2 J/THAir-cooled$59.84$49.87Side by side
Avalon A16 282T282 TH/s3,900 W13.8 J/THAir-cooled$4,416.55$15.66Side by side
Touch 1.6T1.6 TH/s22 W13.8 J/THAir-cooled$474.05$296.28Side by side
NerdQaxe++ Rev 7 4.8T4.8 TH/s69.5 W14.5 J/THAir-cooled$312.55$65.11Side by side

Shipping

Standard shipping is free to every destination we ship to. If you need it faster, choose express shipping at checkout and we quote it before you pay. Import duties, taxes and customs clearance are set by the destination country and are the importer's responsibility unless your quotation states otherwise.

Documentation

Links open the manufacturer's own documentation on the manufacturer's website.

SEALMINER A3 Air questions

How much electricity does the SEALMINER A3 Air use?

The SEALMINER A3 Air draws 3,640 W at the wall (±10%). Running continuously that is about 87.4 kWh per day and 2,621 kWh per 30 days. Multiply by your electricity price to get the running cost, or use the calculator.

What is the hashrate and efficiency of the SEALMINER A3 Air?

Rated hashrate is 260 TH/s (±10%) at 14 J/TH. Lower J/TH means less energy per unit of hashrate. See Understanding J/TH.

How is the SEALMINER A3 Air cooled?

The SEALMINER A3 Air is air-cooled with built-in fans. It needs a steady supply of cool intake air and a path to exhaust hot air. Compare options in Air vs hydro Bitcoin miners.

Can I order the SEALMINER A3 Air in bulk?

Yes. Orders are handled by quantity: small quantities through checkout when a price is published, and larger quantities by quotation with pricing, batch and logistics confirmed by sales. Request a wholesale quote.

Similar miners

The closest alternatives by cooling type and efficiency.

View all Bitcoin miners

Wholesale & project supply

Need the SEALMINER A3 Air in volume?

Send quantity, destination and required date. Sales replies with batch availability, unit pricing and freight options for your order size.

  • 20+ units
  • Mixed models
  • Container orders
  • Project procurement

SEALMINER A3 Air

$4,084.05

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