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    MicroBT

    Whatsminer M66

    The Whatsminer M66 by MicroBT runs the SHA256 algorithm, delivers 298 TH/s, draws 3560W, at 11.9 J/TH efficiency. It mines BTC. Available for purchase from MinerHaolan with fast international shipping from Hong Kong and manufacturer warranty included.

    Hashrate298 TH/s
    Power3560W
    AlgorithmSHA256
    Efficiency11.9 J/TH

    Algorithm

    SHA256

    Hashrate

    298 TH/s

    Power

    3560W

    Available Coins

    BTC
    $2,700$3,000
    Save $300
    In Stock - Ready to Ship
    1

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    6-12 Month Warranty

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    SHA-256 Bitcoin miner delivering 298 TH/s with 11.9 J/TH efficiency at 3560W power draw. Industrial-grade construction designed for professional mining environments. Air-cooled design with standard 380-480V AC input and Ethernet connectivity. Ideal for operations with access to stable power and cooling infrastructure.

    Key Features

    • Industry-leading 11.9 J/TH energy efficiency
    • Powerful 298 TH/s hashrate for maximum profitability
    • Advanced thermal management with 4x Fans
    • Easy setup and management via web interface

    Profitability Calculator
    🟢 Live Data

    Estimates for Whatsminer M66, from live network hashrate and price

    $0.08/kWh
    $0.01$0.20
    $81,468.25
    MetricDailyMonthlyYearly
    Income$10.78$328.16$3,934.94
    Electricity-$6.84-$208.06-$2,494.85
    Profit$3.95$120.10$1,440.10
    1 × 85.4 kWh/day · 0.0001337 BTC/day
    Profitable

    * Revenue from live network hashrate, block time and block reward (source: WhatToMine), assumes a 1% pool fee, and extrapolates today's difficulty and price flat for the monthly/yearly figures. Estimates only, not a guarantee of earnings.

    Compare with similar miners

    Same algorithm, closest hashrate. Estimated profit assumes $0.08/kWh electricity and live network data.

    $0.20/day

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    4.4

    Based on 21 reviews

    5★
    11
    4★
    8
    3★
    2
    2★
    0
    1★
    0
    21 verified purchases
    90% Would Recommend
    Alejandro Vega
    Verified purchase
    •Santiago, Chile
    Jun 30, 2026

    Rock solid performance

    The Whatsminer M66 has been mining non-stop for 3 months. Zero issues, zero restarts needed. Hash rate is exactly as advertised, sometimes even slightly higher. This is what professional mining equipment should be.

    Daniel Kim
    Verified purchase
    •Los Angeles, USA
    Jun 19, 2026

    First-time miner, zero problems

    This is my first miner and I was worried about the Whatsminer M66 setup. Turns out I worried for nothing. The included quick-start guide walked me through everything. Connected to my pool on the first try. Wish all tech was this easy.

    Fernando Costa
    Verified purchase
    •Lisbon, Portugal
    May 14, 2026

    Easiest miner purchase ever

    Purchasing my Whatsminer M66 was the easiest miner purchase I've ever made. MinerHaolan's website is clear, ordering is simple, and delivery was fast. Highly recommend.

    James Morrison
    Verified purchase
    •Colorado, USA
    May 3, 2026

    Worth it for the peace of mind

    The Whatsminer M66 is worth it just for the peace of mind. Reliable equipment from a trustworthy seller means no headaches. That has value beyond numbers.

    Raj Patel
    Verified purchase
    •Mumbai, India
    Apr 8, 2026

    Fastest shipping from Hong Kong

    Ordered my Whatsminer M66 and received it in just 4 days. Fastest shipping I've ever experienced from Hong Kong. Packaging was excellent, unit arrived in perfect condition.

    Frequently Asked Questions about Whatsminer M66

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