Whatsminer M20 M20S M21 Series Hash Board Tester

Precision ASIC Diagnostic Fixture for Efficient Mining Repair

Enhance maintenance and reduce downtime with the Whatsminer M20 Series Hash Board Tester — a professional diagnostic tool engineered for M20, M20S, M20S+, M21, and M21S models. Designed for mining farms, repair centers, and technicians, this tester rapidly detects ASIC chip faults, reset issues, temperature sensor errors, and hash rate drops—ensuring quick and accurate repairs.


🔧 Reliable, Rugged Testing Solution

Built with a reinforced, shockproof ABS shell, this tool is made to withstand the tough conditions of mining environments, including dust, electrical surges, and physical impacts. It connects to a PC via Ethernet (LAN) for real-time fault logging, delivering instant insight into hardware performance.


⚙️ Key Features & Advantages

  • Exclusive LYS-SZ Design
    Purpose-built for high-reliability diagnostics of Whatsminer M2x series hash boards

  • Multi-Fault Detection
    Accurately identifies ASIC chip issues, reset errors, temperature sensor faults, and performance drops

  • Industrial-Grade Durability
    Rugged construction protects against impact, dust, and short circuits

  • Real-Time Logging via Ethernet
    Instantaneous data output for fast and precise fault analysis


📦 Technical Specifications 

FeatureSpecification
Supported ModelsWhatsminer M20, M20S, M20S+, M21, M21S
Diagnostic FunctionsASIC chip testing, reset detection, temp sensor monitoring, low hash rate
CasingShockproof, dust-resistant ABS shell
ConnectivityEthernet (LAN) for real-time fault reporting
Best ForRepair centers, mining farms, hardware resellers

Maintain peak mining performance with this essential test fixture—your reliable partner for Whatsminer M2x series repairs.