Bitdeer SealMiner A4 Ultra Hydro (886Th/s)
Hydro cooling
Description
Designed for large Bitcoin farms, the Bitdeer SealMiner A4 Ultra Hydro delivers 886 Th/s at 8372W. Hydro cooling and a 482×665×86 mm rack unit keep operations stable and dense. Its May 2026 release brings near-flagship performance to SHA-256 mining.
Specifications
| Manufacturer | Bitdeer |
| Model | SealMiner A4 Ultra Hydro |
| Also known as | BitDeer SealMiner A4 Ultra Hydro |
| Release | May 2026 |
| Size | 482 x 665 x 86mm |
| Weight | 20500g |
| Noise level | 50dB |
| Cooling | Hydro cooling |
| Power | 8372W |
| Voltage | 380-480V |
| Interface | Ethernet |
| Temperature | 5 - 45 °C |
| Humidity | 5 - 95 % |
Profitability
| Daily | Monthly | Yearly | |
|---|---|---|---|
| Income | $35.22 0.000450 BTC |
$1,056.60 0.013514 BTC |
$12,855.32 0.164415 BTC |
| Electricity | -$10.05 | -$301.39 | -$3,666.94 |
| Profit | $25.17 | $755.21 | $9,188.38 |
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
Customer Reviews
This is what mining hardware should be. Efficient, reliable, and backed by good support. The team behind this knows what miners need.
I appreciate the thoughtful design touches like the magnetic dust filters and the cable management clips. Shows they actually use their own products.
Very satisfied with my purchase. The miner runs 24/7 in my basement and I barely notice it's there. Quiet, cool, and profitable.
This is the kind of hardware that makes mining fun again. Reliable, efficient, and beautifully engineered. A joy to own and operate.
Good purchase. Shipping was fast, packaging was secure, and the miner was ready to go out of the box. Nothing to complain about.
Happy with the purchase. Shipping was on time, packaging was robust, and the unit fired up without issues. Been mining happily ever since.
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.
