Steam Deck has M.2 2230 SSD slot, but Valve does not recommend upgrading it - VideoCardz.com
Amazon.co.jp: SSD 128GB M.2 2230 NVME Superpard PCIe Gen 3.0x4 30mm Internal Compatible with Microsoft Surface pro 7/pro 8+/pro X/laptop3/laptop4/laptop Go Ultrabook GPD and More (128GB, M.2 2230 PCIe) : Computers
M.2とは...? M.2 SSDについてのストレージ向け解説 - 株式会社センチュリー
SN530 m.2 2230 SSD 1TB NVMe PCIe for Microsoft Surface Pro X Surface Laptop 3 Gadgets - Newegg.com
2023年版】M.2 SSDのおすすめ20選。選び方もあわせて解説
Recommendations for an m.2 2242 (short length) SSD for my ThinkPad | [H]ard|Forum
M.2 - Wikipedia
What is an M.2 SSD?
M.2 SSD 420S | SATA III M.2 SSDs - Transcend Information, Inc.
M.2 SSD 420S | SATA III M.2 SSDs - Transcend Information, Inc.