Amazon.com: XTPC Systems 512GB P550 M.2 2230 NVMe PCIe SSD Gen 4.0x4 Single-Sided Drive, 3400MB/s Read, 2400 MB/s Write, (Upgrade for Steam Deck, Microsoft Surface) : Electronics
Silicon Power 2TB UD90 2230 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,200MB/s Solid State Drive Compatible with Steam Deck (SU02KGBP44UD9007MN) - Newegg.com
M.2 2230 SSD 256GB NVMe PCIe Gen 4.0X4 SSHARKSPEED Internal Solid State Drive, Compatible with Steam Deck, Microsoft Surface Pro, Ultrabook, Laptop, Desktop PC (M.2 2230 PCIe 4.0, 256GB) - Walmart.com
Kioxia Updates M.2 2230 SSD Lineup With BG5 Series: Adding PCIe 4.0 and BiCS5 NAND
Amazon.com: SYONCON SC930 M.2 2230 SSD 3,400MB/sec NVMe PCIe Gen 3.0X4 Internal Solid State Drive Compatible with Steam Deck/Microsoft Surface pro 8/pro 7+/pro X/laptop3/laptop4/laptop go/book3(1TB) : Electronics
Dell 1TB PCIe NVME Gen 3x4 Class 35 M.2 2230 Internal Solid (SNP112233P/1TB)