SF90 refers to the Ferrari SF90 Stradale, a plug-in hybrid sports car produced by the Italian manufacturer Ferrari. It's a high-performance vehicle with a hybrid powertrain combining a twin-turbocharged V8 engine with three electric motors, delivering a total power output of around 1,000 horsepower. The SF90 Stradale is known for its impressive performance, advanced aerodynamics, and electrically driven capabilities, making it one of Ferrari's most technologically advanced production cars.