I'm not surprised it's about the infamous ST3000DM001, one of the few models of hard drives to have its own Wikipedia page and HN discussion: https://news.ycombinator.com/item?id=27419072
The broken ramps clearly use significantly less material, and are thus weaker as a result. If you look carefully you can also see what looks like stress whitening (slightly lighter colour) forming on the bottom half of the cracked one, as well as both halves of the one below it.
The broken ramps clearly use significantly less material, and are thus weaker as a result. If you look carefully you can also see what looks like stress whitening (slightly lighter colour) forming on the bottom half of the cracked one, as well as both halves of the one below it.