500 series

500 series may refer to the following:
 * 500 Series Shinkansen, a high-speed train type operated by West Japan Railway Company on the Tokaido Shinkansen and Sanyo Shinkansen lines in Japan
 * Chichibu Railway 500 series, a Japanese train type operated by Chichibu Railway
 * Tobu 500 series, a Japanese train type operated by Tobu Railway
 * 500-series format, a standardized format for modular audio signal processing equipment

Computing

 * GeForce 500 series graphics processing units
 * Radeon RX 500 series graphics processing units
 * ThinkPad 500 series, a line of laptop computers