Addlink New S91 2TB 2230 NVMe High Performance PCIe Gen4x4 2230 3D NAND SSD Compatible with Steam Deck, ASUS ROG Ally, Surface, Mini PCs - Read Speed up to 5000 MB/s - (ad2TBS91M2P) - Newegg.com
Steam Deck has M.2 2230 SSD slot, but Valve does not recommend upgrading it - VideoCardz.com
Kioxia Updates M.2 2230 SSD Lineup With BG5 Series: Adding PCIe 4.0 and BiCS5 NAND
Dell 1TB M.2 PCIe NVMe Class 35 2230 SSD PM991 | Dell USA
SYONCON M.2 2230 SSD NVMe PCIe Gen 4.0X4 Internal Solid State Drive – SyonCon