MicroBT WhatsMiner M66S+ (342Th)

The MicroBT WhatsMiner M66S+ (342Th) is a high-performance SHA-256 ASIC miner engineered for professional Bitcoin mining operations. Delivering an impressive 342 TH/s hashrate with a power consumption of approximately 5814W, the M66S+ achieves an efficient 17 J/Th, positioning it as a strong choice for miners seeking both output power and energy optimization.

Designed for modern mining infrastructures, the M66S+ combines robust engineering with stable, long-duration performance. Its architecture is optimized for consistent hash delivery under continuous workloads, making it well-suited for large-scale facilities focused on predictable, high-efficiency production.

With compact dimensions of 267 × 147 × 401 mm and a weight of approximately 18 kg, the unit offers a space-efficient design that integrates smoothly into professional rack and immersion setups. Operating within a wide temperature range of 5°C to 45°C and humidity tolerance of 5% to 95%, the M66S+ adapts well to diverse mining environments.

Ethernet connectivity ensures stable network communication, while the system’s optimized thermal structure supports sustained performance in high-demand conditions.

Key Advantages

⚡ 342 TH/s SHA-256 performance for strong Bitcoin mining output
🔋 17 J/Th efficiency for improved energy cost management
🏗️ Compact, high-density form factor
🌡️ Wide operating temperature and humidity range
📡 Reliable Ethernet connectivity for uninterrupted uptime
🏭 Built for scalable, professional mining deployments

Released in August 2024, the WhatsMiner M66S+ (342Th) represents a refined balance of power, efficiency, and operational reliability — ideal for mining operations aiming to maximize performance while maintaining long-term stability and infrastructure compatibility.