The ASUS ROG Ally even has an official SSD swap guide
MD Shariful Islam on LinkedIn: ASUS ROG Ally vs Steam Deck: which is the best 2023?
SABRENT Rocket Q4 2230 NVMe 4.0 2TB High Performance PCIe 4.0 M.2 2230 SSD Compatible with Steam Deck, ASUS ROG Ally, Mini PCs [SB-213Q- 2TB] : Electronics
TEAMGROUP MP44S High Performance SSD 2TB SLC Cache Gen 4x4 M.2 2230 PCIe 4.0 NVMe, Compatible with Steam Deck, ASUS ROG Ally, Mini PCs (R/W Speed up to 5,000/3,500MB/s) TM5FF3002T0C101
WD Black SN770M 1TB NVME PCIE Gen4 M.2 2230 Internal SSD (WDS100T3X0G
Get a 2TB SSD Compatible with Steam Deck or ASUS ROG Ally for $154.99 - IGN
WD BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck WDBDNH0020BBK-WRSN - Best Buy
Video Gaming - devices/PCs again - ASUS ROG Ally anyone? - Lounge - Naim Audio - Community
Asus ROG Ally long-term review (Steam Deck user)
Asus ROG Ally (Z1 Extreme) review: Still a killer handheld?