Addlink S91 1TB 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 - (ad1TBS91M2P)
Original Western Digital Wd Sn530 2230 Ssd 1tb 256gb Nvme Pcie Gen3 X4 For Microsoft Surface Pro 7+ 8 Steam Deck New - Portable Solid State Drives - AliExpress
Amazon.com: XTPC Systems 1TB P550 M.2 2230 NVMe PCIe SSD Gen 4.0x4 Single-Sided Drive, 3500MB/s Read, 2400 MB/s Write, (Upgrade for Steam Deck, Microsoft Surface)… : Electronics
PC SN740 1TB M.2 2230 SSD NVMe PCIe4x4 For Steam Deck ASUS ROG Flow X Laptop - Walmart.com
New Samsung PM991A 1TB 512GB 2230 Internal SSD, For Microsoft surface Steam Deck | eBay
How To Upgrade Your Steam Deck SDD From 64GB To A 1TB SSD - YouTube