Bitdeer · Sealminer· SHA-256
Sealminer A2 222 TH/s
The Bitdeer Sealminer A2 222T belongs to the latest generation of high-efficiency bitcoin ASIC miners. With 222 TH/s hashrate and only 3,300 W power draw, it reaches an energy efficiency of 14.9 J/TH — ideal for professional mining hosting with cheap industrial power.
222 TH/s14.9 J/THAirHosting includedEuropean contractNo setup fees
Price including hosting & setup (net)
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Hosting Asia
from €0.062/kWh · hydropower
from €0.062/kWh · hydropower
2,899 €
🇺🇸
Hosting USA
from €0.066/kWh · 99.2% uptime
from €0.066/kWh · 99.2% uptime
On request
We get back to you personally within 24 hours.
Technical data
Full specifications
| Algorithm | SHA-256 |
| Hashrate | 222 TH/s |
| Power consumption | 3.300 W |
| Efficiency | 14,9 J/TH |
| Cooling | Air |
| Dimensions | 410 x 170 x 280 mm |
| Weight | 13,0 kg |
Buy Sealminer A2 222T — Is the Investment Worth It?
The Sealminer A2 222T is the middle variant in Bitdeer's A2 product line and offers an attractive compromise of performance and price. At 222 TH/s and identical power draw as the top model (3,300 W), efficiency at 14.9 J/TH is only marginally higher. The A2 222T shares the same platform and SEAL02 chip as the 224T variant — the difference lies in chip selection during production. For cost-conscious buyers who can do without 2 TH/s, the A2 222T represents the better overall package.
Profitability with hosting power rates
Daily power costs of the A2 222T at €0.062/kWh in hosting are exactly €4.91 — identical to the 224T model since both draw 3,300 W. At European home power (€0.30/kWh) it would be €23.76 per day. Since running costs are identical, the 222T's advantage lies exclusively in the lower acquisition price.
The A2 222T starts at €2,969 (Asia) and sits price-wise close to the Bitmain S21+ (€2,495), but offers better manufacturer diversification. Versus the A2 224T it saves on purchase price at identical power costs — the 2 TH/s difference is negligible in daily operation.
Why buy at Minenity?
- Professional hosting in USA or Asia included
- No setup fees — installation, cabling, and commissioning free of charge
- Online in 48–72 hours after order
- European contracts with 21 Strategy GmbH (Berlin)
- 24/7 monitoring and maintenance by data center technicians
- Full control over pool, wallet, and configuration
Host this miner directly with us — or use our bitcoin mining calculator to simulate your scenario with the live BTC price and current network difficulty.
FAQ
Frequently asked questions about the Sealminer A2 222T
Both models are based on the same hardware platform with Bitdeer's SEAL02 chip. The 2 TH/s difference comes from chip selection: chips that achieve a marginally lower maximum output during quality control go into the 222T. Power consumption, dimensions, and connectors are identical.
Yes, definitely. The price difference between 222T and 224T is often greater than the revenue difference of the 2 TH/s. At identical power costs of €4.91/day in hosting, the 222T generates almost the same revenue and pays back faster thanks to the lower purchase price.
At a starting price of €2,969 (Asia hosting included), the A2 222T sits in the mid-price segment. It's slightly more expensive than the Bitmain S21+ (€2,495) but offers an alternative manufacturer with comparable efficiency. The premium reflects Bitdeer's currently lower production volumes.
The Sealminer A2 currently supports Stratum v1, used by all standard pools. Bitdeer has announced Stratum v2 support for an upcoming firmware update. Once available, our technicians will deploy the update on your unit.
Bitdeer grants a 12-month manufacturer warranty on the Sealminer A2. That's longer than the 180 days Bitmain offers as standard. Within Minenity hosting, our data center technicians additionally handle ongoing maintenance, further increasing effective operational reliability.
Yes, the power supply (PSU) is integrated. No separate PSU needed — the miner connects directly to the data center power supply.
About 75 dB — comparable to a vacuum cleaner running. Not suitable for home use, which is why we offer professional hosting: your miner runs in the data center and you have no noise at home.
The miner uses the SHA-256 algorithm and can mine Bitcoin (BTC), Bitcoin Cash (BCH), and Bitcoin SV (BSV). Most professional miners choose Bitcoin as the most profitable option.
Yes, as a self-employed individual or business you can depreciate ASIC hardware over 3 years. Consult your tax advisor for your specific situation. For US-based businesses, Section 179 deductions and bonus depreciation may apply to qualifying mining equipment.
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