Grievous' Super Tactical Droid

Design
It is a more upgraded, but cold and calculating tactical droid model. Far superior to the T-series tactical droid, it is of a more arrogant model and regards most of its organic seperatist masters as inferior lifeforms who don't open themselves into logic.

Multi-Universe
Only one Super Tactical Droid has entered into service with General Grievous when his ship had entered into the Multi-Universe.