[jerlam]

"Metal foam" sounds cool but it just looks like a steel wool pad you would use for cleaning dishes.

[harias]

Helps with the cooling is my guess. Increased surface area

[jerlam]

Possibly if the case is being used as a heat sink, but in that case it would be unsafe to touch. I think it's just being used instead of a traditional mesh panel.

[egeres]

I'm pretty sure they just want to be coherent with the which has that "steel scrubber finish" on the hardware

(photo for reference: https://www.wwt.com/api-new/attachments/5f033e355091b0008017...)