The Steam Deck, a handheld gaming PC developed by Valve, allows users to play their Steam library on the go. Learning from past experiences with Steam Machines and the Steam Controller, Valve designed the Steam Deck with a custom AMD APU and a Linux-based operating system called SteamOS 3.0. The Steam Deck signifies Valve's shift towards in-house hardware development after facing difficulties with relying on third-party manufacturers for Steam Machines and the need for native Linux game compatibility.
Valve introduced the Steam Machine series, gaming computers using Linux-based SteamOS, in 2015. This laid some groundwork for the later Steam Deck.
Early Steam Controller prototypes in 2015 explored concepts like an integrated LCD screen and Steam Link integration, which influenced the Steam Deck's development.
Valve quietly pulled back on Steam Machines by April 2018 but remained committed to an open-hardware platform. The lack of Linux game availability led to the development of Proton.
Rumors of a portable gaming unit from Valve, dubbed "SteamPal," emerged in May 2021, based on Steam code updates and comments by Gabe Newell.
Pre-orders for the Steam Deck opened in June 2021, one day after the device's official announcement. High demand caused temporary server issues on the Steam storefront.
Valve officially revealed the Steam Deck on July 15, 2021, highlighting its three models based on storage options.
In September 2021, Epic Games made its Easy Anti-Cheat (EAC) software compatible with Proton, the compatibility layer that enables Windows games to run on the Steam Deck's Linux-based OS. This was a significant step towards making more games compatible with the device.
In September 2021, Valve began shipping developer kits for the Steam Deck, allowing game developers to test and optimize their games for the handheld device.
In October 2021, Valve implemented a game compatibility review process for the Steam Deck. Games were classified as "Verified," "Playable," or "Unsupported" to help users understand how well a game would run on the device.
Due to the global chip shortage, Valve announced in November 2021 that the Steam Deck's release would be delayed to February 2022.
Valve introduced Dynamic Cloud Sync for Steam in January 2022. This feature allows games to synchronize save data to the cloud while the game is still running, improving the user experience for handheld devices like the Steam Deck.
The Steam Deck was initially released in February 2022. It garnered significant attention for its versatility, including support for Linux games and Windows games via Proton, a compatibility layer.
The original Steam Deck, launched in February 2022, featured a custom AMD APU, 16GB RAM, and variable timing frequencies for CPU and GPU.
Shipping of the Steam Deck began in February 2022 in North America and Europe, with other regions following later.
In February 2022, Valve provided updates on shipping estimates for different Steam Deck models, with some models expected to ship later in Q2 or Q3 2022.
The Steam Deck was officially released in North America and Europe on February 25, 2022.
Valve released Aperture Desk Job, a free game designed to showcase the Steam Deck's capabilities, on March 1, 2022.
By June 2022, Valve doubled the number of Steam Decks shipping weekly, helping to fulfill pre-orders.
Valve's production of Steam Decks surpassed expectations in August 2022, allowing for earlier shipments than anticipated.
On October 6, 2022, the official dock for the Steam Deck was released. The dock allows users to connect the device to external displays (up to 8K 60Hz or 4K 120Hz) and peripherals, as well as providing power and network connectivity.
All Steam Deck reservations were fulfilled by October 2022, allowing open sales without reservations.
The Steam Deck officially launched in Asia in December 2022.
As of December 2022, Valve was pursuing improvements for the Steam Deck, including per-game power profiles, and exploring a second-generation device.
Omdia reported sales of 1.62 million Steam Deck units in 2022.
In February 2023, Valve replaced Steam's Big Picture Mode with a new user interface based on the Steam Deck's client. This unified the experience across desktop and handheld devices.
In February 2023, the Steam Deck gained the ability to download games directly from a local network Steam installation, simplifying the process of transferring games to the device.
In November 2023, Valve announced two new Steam Deck models with OLED screens, improved battery, and cooling, replacing existing models. They also indicated work on a Steam Deck 2.
In November 2023, the Steam Deck saw the introduction of OLED screen models, enhancing the visual experience.
Valve announced having sold "multiple millions" of Steam Decks by November 2023.
Two new Steam Deck models with 512GB and 1TB storage, OLED screens, and other improvements were released on November 16, 2023, replacing the previous high-end models.
The Steam Deck influenced the release of similar handheld gaming PCs in 2023 like the Asus ROG Ally and Lenovo Legion Go.