50 series may refer to:

Electronics

* HP 49/50 series, a type of graphing calculator made by

Hewlett-Packard The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company. It was founded by Bill Hewlett and David Packard in 1939 in a one-car garage in Palo Alto, California ...

Nvidia Nvidia Corporation ( ) is an American multinational corporation and technology company headquartered in Santa Clara, California, and incorporated in Delaware. Founded in 1993 by Jensen Huang (president and CEO), Chris Malachowsky, and Curti ...

GeForce RTX 50 series The GeForce RTX 50 series is a series of consumer graphics processing units (GPUs) developed by Nvidia as part of its GeForce line of graphics cards, succeeding the GeForce 40 series. Announced at CES 2025, it debuted with the release of the ...

, a series of graphic card.

Trains

* 1–50 series (CTA), a retired subway car type for the

Chicago Transit Authority The Chicago Transit Authority (CTA) is the operator of public transport, mass transit in Chicago, Illinois, United States, and some of its suburbs, including the trains of the Chicago "L" and List of Chicago Transit Authority bus routes, CTA bu ...

* EMD SD50, also known as "50 series", a North American

diesel locomotive A diesel locomotive is a type of railway locomotive in which the prime mover (locomotive), power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is con ...

type made by

Electro-Motive Diesel Electro-Motive Diesel (abbreviated EMD) is a brand of diesel-electric locomotives, locomotive products and diesel engines for the rail industry. Formerly a division of General Motors, EMD has been owned by Progress Rail since 2010. Electro-Motive ...

* Kyoto Municipal Subway 50 series operating for the Kyoto Municipal Subway

Trucks

* Dodge 50 Series, a box truck model operating in Europe

Electronics

Trains

Trucks

See also