In this HashrateUp Focus episode, Jesse breaks down how Bitcoin miners are actually built — using a real Antminer S9 and modern ASIC designs to explain what’s inside a mining machine.

The episode walks through the core components of an ASIC miner, including the chassis, airflow, fans, control board, firmware, power delivery, hashboards, and the individual ASIC chips themselves. Jesse explains how air cooling works, how control boards manage hashboards, and why chip density and layout matter for thermal performance.

The second half compares older-generation miners with modern designs, covering integrated power supplies, hot-swappable fans, removable hashboards, and modular layouts that improve reliability and serviceability.

This episode is a hardware-first explainer for anyone who wants to understand Bitcoin mining beyond hash rate and efficiency numbers — from beginners to experienced operators looking for a clearer mental model of ASIC hardware.

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