As the Steam Deck gets into more users’ hands, more people are exercising their right to tinker with the device. Given the space limitations of Steam Deck generally, it’s not surprising that some of those efforts have been put into expanding the amount of storage it has.
As shipped, the Steam Deck supports only the smallest variety of M.2 drives, the 2230. Twitter user @TheSmcelra, as reported by Hot Hardware, found a way to allow for a slightly bigger drive: a M.2 2242.
To do this, they used a 30 to 42 mm bracket extension to push the retention screw slightly further on the motherboard and simply moved a thermal pad out of the way.
As a consequence, the back board of the Deck pushed out slightly. However, the larger drive did not interfere with any other part of the device.Read more on gamespot.com