The 300 series is a newly developed high-tech train with a running maximum service speed of 270 km/h. It is designed to link Tokyo to Osaka in two and half hours, while the 100 series takes about three hours.

Type Capacity (Seating)
Electric System	AC 25000V, Overhead
Body Length	27350mm(Driving car) 25000mm(Middle car)
Body Width	3380mm
Body Height	3650mm