Steam Deck has M.2 2230 SSD slot, but Valve does not recommend upgrading it - VideoCardz.com
Disk performance HDD vs SSD SATA vs M2 NVMe - a beginners guide : r/buildapc
List: 2TB, 1TB, 512GB M.2 2230 SSDs (updated 2023/02/05) – upgrades for Surface Pro7+/X/8/9, Laptop 3/4/5, SteamDeck, XBox Series X, etc. – Dan S. Charlton
Micron has launched the world's first 2TB M.2 2230 SSD | OC3D News
The Best Cheap SSDs for 2023 | PCMag
WD Black SN850X Review | PCMag
Just installed the 2TB WD_BLACK SN850 m.2 SSD on my PS5. These were the read speeds reported. : r/playstation