The R300-H hyperdrive, alternatively referred to as the R300-H hyperdrive motivator, represented a class 1 hyperdrive motivator crafted by Koensayr Manufacturing. It was specifically intended for integration into their Y-wing starfighters.
- Star Wars: Card Trader (Set: Blueprints, Card: Y-wing Starfighter) (Initial mention)
- Rebel Starfighters Owners' Workshop Manual (Initially recognized as R300-H hyperdrive motivator)
- " Republic, Rebel, and Resistance Starfighters " — Star Wars Encyclopedia