X1 or X-one may refer to:

Transportation

Automobiles

BMW X1 The BMW X1 is a line of cars produced by German marque BMW since 2009. It is in the subcompact luxury crossover SUV, subcompact luxury crossover class, and the first-generation X1 was based on the BMW 3 Series (E90), E90 3 Series and offered rea ...

, a 2009–present German subcompact luxury SUV * Geely Yuanjing X1, a 2017–2021 Chinese mini crossover * Red Bull X1, the former name of the Red Bull X2010, a fictional car created for the game ''Gran Turismo 5'' *

Wrightspeed X1 Revo Powertrains is an electric vehicle powertrain company based in Alameda, California. It was created by Tesla co-founder Ian Wright. Products The Wrightspeed Route is a plug and play repower kit for commercial trucks. It is a high-power m ...

, a 2008 electric sports car prototype based on the Ariel Atom

Bus routes

* X1 (Metrobus), a bus route in Washington, District of Columbia, United States * X1 (New York City bus), a bus route in New York City, New York, United States * X1 Steel Link, a bus rapid transit service between Sheffield, Rotherham, and Maltby in England, United Kingdom * Excel X1, a bus route from Lowestoft to Peterborough in England, United Kingdom * X1 Glasgow–Hamilton, a former bus route in Scotland *

Green Line routes X1 and X10 Green Line routes X1 and X10 were limited-stop express Coach (vehicle), coach services which were operated by Stephensons of Essex as part of the Green Line Coaches network. The services operated between Rochford, Southend and London. The original ...

, a former coach route from

Southend-on-Sea Southend-on-Sea (), commonly referred to as Southend (), is a coastal city and unitary authorities of England, unitary authority area with Borough status in the United Kingdom, borough status in south-eastern Essex, England. It lies on the nor ...

London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

Rail transport

SL X1 X1 was a series of two-car electric multiple units (twin units) owned by Greater Stockholm Transport (SL) on the Stockholm commuter rail. The X1 was operated in sets of up to five units, making ten-car trains, each unit consisting of one motor ca ...

, a former Swedish commuter train built by ASEA *

LNER Class X1 X1 or X-one may refer to: Transportation Automobiles * BMW X1, a 2009–present German subcompact luxury SUV * Geely Yuanjing X1, a 2017–2021 Chinese mini crossover * Red Bull X1, the former name of the Red Bull X2010, a fictional car created ...

, a single locomotive rebuilt several times in its history

Watercraft

* X1 (dinghy), a fast, light-weight sailing dinghy designed for inland racing * HM Submarine X1, a Royal Navy submarine

Aircraft

Bell X-1 The Bell X-1 (Bell Model 44) is a rocket engine–powered aircraft, designated originally as the XS-1, and was a joint National Advisory Committee for Aeronautics– U.S. Army Air Forces– U.S. Air Force supersonic research project built by B ...

, an experimental rocket plane

Technology

Sharp X1 The , sometimes called the Sharp X1 or CZ-800C, is a series of home computers released by Sharp Corporation from 1982 to 1988. It is based on a Zilog Z80 CPU. The RGB display monitor for the X1 had a television tuner, and a computer screen ...

, a Japanese home computer manufactured by the Sharp Corporation *

Xbox One The Xbox One is a home video game console developed by Microsoft. Announced in May 2013, it is the successor to Xbox 360 and the third console in the Xbox#Consoles, Xbox series. It was first released in North America, parts of Europe, Austra ...

, a video game console * a one-lane

PCI Express PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe, is a high-speed standard used to connect hardware components inside computers. It is designed to replace older expansion bus standards such as Peripher ...

slot *

Cray X1 The Cray X1 is a non-uniform memory access, vector processor supercomputer manufactured and sold by Cray Inc. since 2003. The X1 is often described as the unification of the Cray T90, Cray SV1, and Cray T3E architectures into a single machine. ...

, a supercomputer sold since 2003 *

Electrologica X1 The Electrologica X1 was a digital computer designed and manufactured in the Netherlands from 1958 to 1965. About thirty were produced and sold in the Netherlands and abroad. The X1 was designed by the Mathematical Centre in Amsterdam, an acade ...

, an early Dutch computer * Sony Ericsson XPERIA X1, a mobile phone *

ThinkPad X1 Carbon The ThinkPad X1 series is a line of high-end ThinkPad laptop and tablet computers produced by Lenovo. It is a sub-series of the ThinkPad X series designed to be extra premium with material that make them lighter and portable, having been orig ...

, a high-end notebook computer released by Lenovo in 2012 *

X1 (software company) X1 Discovery, Inc., previously known as X1 Technologies, Inc., is a privately held software company, based in Pasadena, California, United States, that develops and markets products for people and organizations that need to find information quic ...

formerly known as X1 Technologies, Inc. *

Tegra X1 Tegra is a system on a chip (SoC) series developed by Nvidia for mobile devices such as smartphones, personal digital assistants, and mobile Internet devices. The Tegra integrates an ARM architecture central processing unit (CPU), graphics pr ...

, a system on a chip released by Nvidia in 2015 * X1, an IPTV-based cable television hardware platform developed by

Comcast Comcast Corporation, formerly known as Comcast Holdings,Before the AT&T Broadband, AT&T merger in 2001, the parent company was Comcast Holdings Corporation. Comcast Holdings Corporation now refers to a subsidiary of Comcast Corporation, not th ...

Arts, entertainment, and media

X1 (band) X1 (; ) was a South Korean boy group formed by CJ ENM through the Mnet reality competition show '' Produce X 101''. The group was composed of eleven members: Kim Yo-han, Kim Woo-seok, Han Seung-woo, Song Hyeong-jun, Cho Seung-youn, Son Dong-p ...

, a South Korean boy band formed through ''

Produce X 101 ''Produce X 101'' () is a 2019 South Korean boy group survival reality show on Mnet and the fourth and final season of the ''Produce 101'' franchise. The public, referred to as "national producers", "produces" a boy band by choosing 11 members ...

'' *

X1 (rapper) Bruce David Sandlin (March 6, 1979 – July 4, 2007), better known by his stage name X1, was an American rapper best known in the 1990s as a member of Gang Green and affiliated with Onyx. Early life X1 was born on March 6, 1979, in Brooklyn. H ...

(1979–2007), American rapper *

X Minus One ''X Minus One'' is an American half-hour science fiction radio drama series that was broadcast from April 24, 1955, to January 9, 1958, in various timeslots on NBC. Known for high production values in adapting stories from the leading American ...

, a 1950s American radio show * ''X-Men'' (film), the first film in the ''X-Men'' franchise *

X-One ''XONE'' (formerly ''X360'') was a monthly magazine produced by Imagine Publishing in the United Kingdom. XONE was the UK's #1 selling independent dedicated Xbox 360 and Xbox One magazine, covering news, previews and reviews. The magazine's commu ...

, monthly magazine produced by Imagine Publishing

Other

* ''x''⁻¹, the

multiplicative inverse In mathematics, a multiplicative inverse or reciprocal for a number ''x'', denoted by 1/''x'' or ''x''−1, is a number which when Multiplication, multiplied by ''x'' yields the multiplicative identity, 1. The multiplicative inverse of a ra ...

of ''x'' (another way to denote ''1⁄x'', one divided by ''x'') * United States patent X1, by

Samuel Hopkins (inventor) Samuel Hopkins (December 9, 1743 – 1818) was an American inventor from Philadelphia, Pennsylvania, On July 31, 1790, he was granted the first U.S. patent, under the new U.S. patent statute just signed into law by President Washington on April ...

* X1 (Egyptian hieroglyph t), an extremely common alphabetic letter in the Ancient Egyptian alphabet * X1, a former sister MMA promotion of the defunct Fighting of World Japan Pro Wrestling