And you could upgrade them too. Back when socketed CPUs existed on laptops along with expansion slots, and batteries were removable with a thumb latch (and most laptops could run on the power adapter without the battery being installed, which prevented trickle charging related battery degradation, perfect for a “desktop replacement” that would spend a lot of its time hooked up to power before that category of laptops even really existed). Good times.
Poor man’s Optane