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(8) Reflow the board
5kW into the coolant loop — so consistent thermal-paste application between ASIC die and cold plate is critical for both peak hashrate and long-term chip survival
Replacing obsolete flash memory — EOL or scarce-supply flash chips in legacy designs
This visual feedback reduces maintenance costs by allowing technicians to replace only the bad chip instead of swapping entire boards — critical when servicing large Avalon fleets
clean the pads with flux and wick
Black Mini Gen2 Brushless DC Silencer Blower — 140mm Adapter for Whatsminer M20 M21 M30 M31S M32 M50 M60 Series l3++ (8) Reflow the boardBlack Mini Gen2 Brushless DC Silencer 140mm Fan Adapter for Whatsminer M20 M30 M50 M60 Series The premium Gen2 brushless DC silencer blower dedicated to the Whatsminer industrial lineup. Pre fitted with a 140mm fan exhaust adapter matched to the Whatsminer 2 fan chassis layout: M20 M20S M21 M21S, M30 M31S M32, M50 M50S M50S+ M50S++, M60 M60S M60S+ M60S++. One blower covers the full Whatsminer SHA 256 generation history. Whatsminer 2 fan chassis vs
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