WD Black WD_Black C50 Expansion Card for Xbox™ - 500GB - WDBMPH5120ANC-WCSN
Amazon
WD_BLACK 512GB C50 Storage Expansion Card for Xbox Series XS - Quick Resume - Plug & Play - Solid State Drive - WDBMPH5120ANC-WCSN
Adorama
WD _BLACK C50 Storage Expansion Card for Xbox Series X|S Consoles 512GB