I'm with you on that, written articles > videos any day of the week.

It's typically pronounced D-RAM I assume because RAM is already it's own common acronym people were/are familiar with. DRAM is just a specific type of RAM, Dynamic RAM, hence D-RAM.

I'm also a British English speaker, and I almost always hear "D-RAM". It's been a while since I'm encountered someone using "Dram".

On the other hand, I've always said "Prom" instead of "P-ROM" (for programmable ROM). I've never considered why there is a difference.

I have the same credentials but I've never encountered anyone pronouncing it as dram. Only D-RAM and S-RAM etc. Although the bike brand SRAM is pronounced as sram, which is fun.

Out of curiosity, would you pronounce S-RAM as sram?

I suspect it's just a cultural thing. He lives in Taipei and clearly isn't a native speaker. I don't get why people get so bent out of shape over something so insignificant.

At university, many years ago, one lecturer referred to the BUSY pin signal on a chip as the "bus ypsilon" signal. English was his third language, as an East German German first, then Russian second, so we did not think it was a joke, and that was in East Germany only a few years after reunification so his English practice probably was lacking at the time. I don't think anybody ever corrected him the entire semester.