MicroBT WhatsMiner M66 (276Th)

The MicroBT WhatsMiner M66 (276Th) is a professional-grade SHA-256 ASIC miner engineered for efficient and stable Bitcoin mining in immersion-cooled environments. Delivering a solid 276 TH/s hashrate, the M66 is designed to provide consistent computational performance while maintaining optimized power usage for large-scale operations.

Operating at approximately 5492.4W, the unit achieves an efficiency rating of 19.9 J/Th, offering a balanced combination of hash power and energy management. Its immersion cooling architecture ensures superior thermal control, allowing the miner to sustain peak performance under continuous heavy workloads. By submerging components in specialized cooling fluid, the system significantly reduces thermal stress, enhances hardware longevity, and maintains stable operation even in demanding industrial setups.

With compact dimensions of 267 × 147 × 401 mm and a weight of 16 kg, the M66 is well-suited for high-density immersion mining tanks. Despite its industrial-grade output, it maintains a controlled noise level of around 50 dB, making it adaptable to structured mining facilities. Reliable Ethernet connectivity guarantees stable integration into professional mining networks.

Key Advantages

⚡ 276 TH/s SHA-256 performance optimized for Bitcoin mining
💧 Immersion cooling system for advanced thermal stability
🔋 19.9 J/Th efficiency for controlled energy costs
🔇 Low-noise operation (~50 dB) in managed environments
📡 Stable Ethernet connection for uninterrupted uptime
🌡️ Operating range: 5–40°C | 10–90% humidity

Released in October 2023, the WhatsMiner M66 is built for miners who demand dependable performance, effective cooling, and scalable infrastructure compatibility. Whether deployed in immersion-based farms or industrial data centers, the M66 delivers steady output and operational reliability in today’s competitive Bitcoin mining landscape.