Spotted on Newegg ssd adaptor, not sure I have faith in this : r/XboxSeriesS
Xiwai CF-Express Type-B to M.2 NVMe 2230 M-Key Adapter CFE for Xbox Series X&S CH SN530 SSD PCIe4.0 Expansion Memory Card: Amazon.co.uk: Computers & Accessories
Seagate Storage Expansion Card for Xbox Series X|S 1TB Solid State Drive - NVMe Expansion SSD for Xbox Series X|S(STJR1000400), Grey : Amazon.co.uk: Automotive
Microsoft: Speicher der Xbox Series S via SSD-Adapter vergrößert - Golem.de
NFHK CF-Express Type-B to M.2 NVMe 2230 M-Key Adapter CFE for Xbox Series X&S CH SN530 SSD PCIe4.0 Expansion Memory Card
Your standard SSD might work as an Xbox storage expansion | Ars Technica
Seagate Storage Expansion Card for Xbox Series X|S 1TB Solid State Drive - NVMe Expansion SSD for Xbox Series X|S(STJR1000400), Grey : Amazon.co.uk: Automotive
Xiwai CF-Express Type-B to M.2 NVMe 2230 M-Key Adapter CFE for Xbox Series X&S CH SN530 SSD PCIe4.0 Expansion Memory Card: Amazon.co.uk: Computers & Accessories
Xbox Series X/s Cfexpress Adapter Convert To M.2 Ssd Storage Expansion Card Box Solid State Drive - Nvme Ssd Adapter | Fruugo UK
Xbox Series X external storage tests: USB HDD vs. SSD vs. NVME | VentureBeat
NFHK CF-Express Type-B to M.2 NVMe 2230 M-Key Adapter CFE for Xbox Series X&S CH SN530 SSD PCIe4.0 Expansion Memory Card