? My M1 MacBook Air is passively cooled, but has a heat pipe that feeds into a heat sink that's at least as large as the M1 system heat spreader.

- Detail image: https://valkyrie.cdn.ifixit.com/media/2020/11/19115445/MBA_M...

- iFixit Teardown feature article: https://www.ifixit.com/News/46884/m1-macbook-teardowns-somet...