Tesla announces HW4 Plus with doubled memory — will HW4 follow HW3 to the grave?

During Tesla’s Q1 2026 earnings call, CEO Elon Musk revealed that Tesla is planning an “AI4.1 or AI4 Plus” upgrade to its self-driving computer that doubles the RAM from 16 gigabytes to 32 gigabytes per chip — taking the total system memory to 64 gigabytes. The announcement came on the same call