Bitcoin

BITDEER Sealminer A3 260T Bitcoin Miner

$5,479.57

$5,479.57

The Bitdeer SealMiner A3 Air 260Th Bitcoin miner is a high performance ASIC miner designed for the SHA-256 algorithm, specifically targeting Bitcoin BTC mining. Built for professional and industrial mining environments, it delivers strong hashing output with balanced energy efficiency for scalable BTC operations.

With a maximum hashrate of 260Th/s and power consumption of 3640W, the A3 Air operates at an energy efficiency of 14 J/Th, making it a reliable option for miners seeking consistent Bitcoin production with predictable power usage.

Due to rapid market changes, miner prices may fluctuate multiple times even in a short period. Please confirm the price with our sales team before making payment.
ALGORITHM
SHA256
MINEABLE COINS
Bitcoin
HARDWARE SPECIFICS
Baseline Hashrate

260 Th/s

Power Consumption

3640 Watts

Efficiency

14j/Th

Your Setup

BITDEER Sealminer A3 260T Bitcoin Miner

When you need serious Bitcoin mining power that won’t quit, the BITDEER Sealminer A3 260T delivers exactly what enterprise operators demand. This isn’t another consumer-grade miner pretending to be industrial equipment – it’s purpose-built for the kind of 24/7 operation that separates profitable mining farms from weekend hobbyists.

High-Performance Bitcoin Mining Hardware

The Sealminer A3 cranks out an impressive 260 TH/s of raw hashrate, putting it squarely in the territory where serious miners play. At 3,640W power consumption, you’re looking at 14 J/TH efficiency – not groundbreaking, but solid enough for operations where electricity costs are manageable and uptime matters more than bleeding-edge efficiency numbers.

Built for Data Center Deployment

BITDEER engineered this machine specifically for high-density environments. The robust air cooling system handles the thermal loads you’d expect in a packed data center, while the enterprise-grade components are designed to run continuously without the frequent maintenance headaches that plague cheaper alternatives. Whether you’re running your own facility or working with a hosting provider, this miner fits seamlessly into professional mining infrastructure.

Strategic Investment Considerations

Before adding the A3 260T to your operation, run the numbers through a proper profitability analysis. The 260 TH/s output and 14 J/TH efficiency create a specific risk-reward profile that works best for operators with access to competitive electricity rates and long-term operational horizons.

Key Specifications

  • Hashrate: 260 TH/s
  • Power Consumption: 3,640W
  • Efficiency: 14 J/TH
  • Algorithm: SHA-256 (Bitcoin)
  • Cooling: Air-cooled design
  • Target Application: Data center and mining farm deployment

Other Sealminer A3 Models

Weight
KG
Dimensions
X
X
mm
Currency
Bitcoin
Algorithm
SHA256
Cooling
Air
Network Connection
RJ45 Ethernet 10/100M
Noise Level
55db
Operating Temp
0~40°C
Power Supply
200~240V
Hashrate
260 Th/s

We accept the below payment methods

Online Payment

Coinpal Checkout

Offline Payment

USDT/ USDC ERC 20 0x27117c58Cf724c4bc864b4Bc25586694914F069a

USDT TRX TCuFqzAQM68UyRzJiE1u7hHfhwX1YJzx7D

Wire Transfer Via Bank

Bank Details:
Bank Name: TD Canada Trust
Swift Code: TDOMCATTTOR
Customer Number: 20795046539
Institution Number: 004
Branch Address: 624 YONGE ST, Barrie ON, L4N4E6

After payment verification (wire transfer takes 3-7 business days, cryptocurrency payments are confirmed within hours), orders are dispatched within 2-4 days from our Hong Kong Warehouse. Bulk orders may require an additional 1-2 days.
Please note: all machine prices are subject to market fluctuations. We strongly reccomend contacting us to confirm pricing before making payment.
All sales are final and non refundable
6 month manufactuer’s warranty

GUIDES

Our Product Recommendations

Hashrate
580 Th/s
Power
5510 W
Efficiency
9.5j/Th
Difficulty
Expert
Bitcoin

Price range: $325.00 through $399.00

Hashrate
120 Th/s
Power
2760 W
Efficiency
23j/Th
Difficulty
Expert
Bitcoin

Price range: $921.00 through $1,440.00

Hashrate
200 Th/s
Power
3500 W
Efficiency
17.5j/Th
Difficulty
Expert
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