[CGamesPlay]

> The last one has K for magnetic disks and C for optical discs.

The Wikipedia article affirms this convention as well, which begs the question: solid state disk drive? solid state disc drive? solid state brick drive?

[ObsoleteNerd]

Solid State Drive, SSD. No disc or disk involved.

[LocalH]

I would go with disk, if I were going to refer to it that way, due to the relation to hard disk drives.