Overview
The MicroBT Whatsminer M66 280T Bitcoin Mining Machine for Oil Cooling Immersion Equipment by MicroBT is a professional-grade cryptocurrency mining machine utilizing the SHA-256 algorithm to mine Bitcoin (BTC). Delivering an impressive hashrate of 280 Th/s while consuming 5572W of power at 19.9 j/Th efficiency, this miner offers excellent performance for both mining farms and individual miners.
Key Features
- High Hashrate: 280 Th/s for maximum mining output
- Power Efficiency: Optimized 5572W power consumption for cost-effective mining
- Energy Efficiency: 19.9 j/Th — industry-leading efficiency ratio
- SHA-256 Algorithm: Purpose-built for Bitcoin (BTC)
- MicroBT Quality: Built by a trusted manufacturer with proven reliability
- Plug & Play Setup: Quick and easy installation for immediate mining operation
- 24/7 Operation: Industrial-grade components designed for continuous mining
Technical Specifications
| Manufacturer | MicroBT |
| Model | MicroBT Whatsminer M66 280T Bitcoin Mining Machine for Oil Cooling Immersion Equipment |
| Algorithm | SHA-256 |
| Minable Coin | Bitcoin (BTC) |
| Hashrate | 280 Th/s |
| Power Consumption | 5572W |
| Energy Efficiency | 19.9 j/Th |
| Condition | Brand New / Factory Sealed |
Mining Profitability
The MicroBT Whatsminer M66 280T Bitcoin Mining Machine for Oil Cooling Immersion Equipment with its 280 Th/s hashrate and 5572W power draw offers a strong efficiency ratio of 19.9 j/Th. Actual mining profitability depends on factors including electricity costs, network difficulty, and cryptocurrency market prices. We recommend using online mining calculators to estimate your potential returns based on your local electricity rates.
What’s in the Box
- MicroBT Whatsminer M66 280T Bitcoin Mining Machine for Oil Cooling Immersion Equipment Mining Unit
- Power Supply Unit (PSU) — where applicable
- Power Cables
- User Manual / Quick Start Guide
Why Buy from BullMiners?
- Authorized Dealer: Genuine products sourced directly from manufacturers
- Fast EU Shipping: Quick delivery across Europe from our warehouse
- Expert Support: Dedicated mining support team to help with setup and optimization
- Secure Payment: Multiple payment options including crypto payments
- Warranty Included: Full manufacturer warranty on all products

pierre131 (verified owner) –
Reliable unit. My MicroBT Whatsminer M66 280T has been running for 3 months. Getting stable performance numbers around the clock. I had to update the firmware on arrival but nothing major.
hans263 (verified owner) –
This MicroBT Whatsminer M66 280T is a beast! Well-built unit with good cooling system. Ordered from BullMiners and received it within 6 days. BullMiners offers competitive prices for EU delivery.
Pierre (verified owner) –
Top-notch equipment from BullMiners. My MicroBT Whatsminer M66 280T has been running 24/7 without any issues. The mining output has been very impressive.
Hassan (verified owner) –
Reliable unit. My MicroBT Whatsminer M66 280T has been running for 4 months. Hitting the advertised hashrate consistently. packaging could have been a bit better but nothing major.
Alex (verified owner) –
Incredible hashrate from the MicroBT Whatsminer M66 280T! Quality construction and reliable operation. Fast EU delivery and great customer support. BullMiners has become my preferred EU mining supplier.