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The Amlogic A113D (C76) control board is the brain of the Antminer S19J
Feature Specification Name Innosilicon A10 Pro Control Board Category Control Board / Controller / Motherboard / PCBA Compatibility Innosilicon A10 Pro 8G QC Thoroughly tested + inspected before shipment Use Case Drop-in replacement for damaged controller Condition Brand New
For shops processing multiple L3 boards per day
When to Replace the CK5 / CK6 Control Board
Stocked in volume for repair shops servicing K7 fleets and individual miners replacing failed chips at the bench
Whatsminer P221B PSU Power Supply for Whatsminer M31s v51 The Amlogic A113D (C76) controlWhatsminer P221B PSU 3300W Genuine Replacement Power Supply for Whatsminer M31s The Whatsminer P221B GB 12 3300 B V01 power supply is the dedicated replacement PSU for the Whatsminer M31s miner. 220 240VAC input, 12V 265A main rail for the hashboards plus a 12V 15A auxiliary rail for the control board. When the original PSU fails, swapping in a fresh P221B is faster than troubleshooting the failed unit board level back to hashing within minutes.
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