Bitdeer SealMiner A2 (226Th/s)

SHA-256 BTC (Bitcoin) Air icon Air cooling
★ ★ ★ ★ ★
4.8 (16 reviews)
⚡ 226T 3730W 📊 16.50 J/Th 🔋 PSU Included 🚚 Free Shipping
$1,582.00
$1,665.26
≈ 0.01939853 BTC
💳 Credit Card · ₿ BTC 🚚 Est. shipping: October 22 - October 25, 2026
📦 In stock: 6

Description

The Bitdeer SealMiner A2 produces 226 Th/s at 3730W for Bitcoin mining. Four fans and a 4nm SEAL02 chip keep thermals stable. Released in March 2025, it is a dependable air-cooled SHA-256 miner for scaling operations.

Specifications

ManufacturerBitdeer
ModelSealMiner A2
Also known asBitDeer SEALMINER A2
ReleaseMar 2025
Chip nameSEAL02
Chip size4nm
Noise level75dB
Fan(s)4
Power3730W
InterfaceEthernet
Temperature5 - 40 °C
Humidity10 - 90 %

Profitability

DailyMonthlyYearly
Income $8.23
0.000101 BTC
$246.79
0.003027 BTC
$3,002.62
0.036823 BTC
Electricity -$4.48 -$134.28 -$1,633.74
Profit $3.75 $112.51 $1,368.88
Profit 45.59% Electricity 54.41%
ROI ~193 days
ROI ~422 days

Based on $0.05/kWh. Data refreshes every 24h.
ROI (Return on Investment) = miner price ÷ earnings. Green = without electricity cost. Red = after deducting electricity.

Frequently Asked Questions

No. Bitdeer SealMiner A2 (226Th/s) currently generates ~$3.75/day at $0.05/kWh. Profitability changes with network difficulty, hashrate, block reward, and SHA-256 price.

Bitdeer SealMiner A2 (226Th/s) delivers 226T on SHA-256, drawing 3730W.

Bitdeer SealMiner A2 (226Th/s) consumes 3730W per hour (~$4.48/day at $0.05/kWh).

Electricity is the main operating cost. For Bitdeer SealMiner A2 (226Th/s), it's $4.48/day — if your rate is higher, profit drops; if lower, profit increases.

3–5 years with proper maintenance. Lifespan depends on operating temperature, humidity, dust levels, and power stability.

Customer Reviews

4.8
★★★★★
16 reviews
5 Stars
44%
4 Stars
31%
3 Stars
19%
2 Stars
6%
1 Stars
0%
DM
Danuta Majewska
★★★★★
Jul 16, 2026

Can't imagine mining without it now. Upgraded my entire operation and the difference in profitability is substantial. These units pay for themselves.

CP
Christina Papadopoulos
★★★★★
Jul 12, 2026

This is the miner you want. Trust me, I've done the research. The efficiency, reliability, and community support make this the best choice.

M
Mike
★★★★☆
Jul 10, 2026

Works as advertised. Hashrate matches the spec sheet and power consumption is within the stated range. Honest product from an honest company.

EB
Elizabeth Brown
★★★★★
Jul 10, 2026

This ASIC is a technological marvel. The chip density, the cooling solution, the power delivery - everything is cutting edge. Mining hardware at its finest.

SG
Sanjay Gupta
★★★☆☆
Jun 28, 2026

It does the job. Nothing spectacular but it's been running for 4 months without incident. In the mining world, that's a win.

MV
Milena Vasic
★★★☆☆
Jun 28, 2026

Average miner with average performance. Nothing particularly good or bad about it. It exists and it mines. That's my review.

NOTE

  • Incorrect input voltage can cause damage to the miner.
  • Use two AC input wires, each with a 16-amp rating.
  • Operation is recommended at altitudes below 2000 meters.

Purchasing Guidelines

  • The listed retail price does not include customs duties or applicable taxes.
  • Orders cannot be canceled or refunded once submitted.
  • Product images are for reference purposes only; the actual shipped product will prevail.

Shipping Details

  • Products will be shipped from China.
  • Fully paid orders will be processed on a first-come, first-served basis.
  • Customers bear responsibility for customs delays or issues.

Warranty

  • 180-day warranty period starts from the shipping date.
  • Valid only for the original purchaser.
  • We are not responsible for damages due to non-compliance with instructions.