400 series may refer to:
- 400-series highways (Ontario), a network of freeways in Canada
- 400 Series Shinkansen, a Japanese high-speed train
- Rover 400 Series, a small British family car
- GE-400 series, computers produced by General Electric in the 1960s
- Kodak DCS 400 series, a series of digital SLR cameras produced by Eastman Kodak
Famous quotes containing the word series:
“In the order of literature, as in others, there is no act that is not the coronation of an infinite series of causes and the source of an infinite series of effects.”
—Jorge Luis Borges (1899–1986)