Xit Super HS All In 1 Card Reader - 2pk

USB 2 or 3?

Specs are here.

Mothership reviews here.

No real indication of USB standard, though - other than it’s “high speed”…

USB 2.0

Can it read a CAC card?

Doesn’t look like it. From the link above:

Compatible with all versions of SD/HC, MiroSD, CF, XD, MS/PRO & Duo cards

Wow. Mirosd AND its plus and play.