SeaGate Gaming 4TB to Portable HDD. Clearly says:compatible with Xbox 1 an Xbox Series x/s : r/XboxSeriesX
Amazon.com: Seagate Game Drive for Xbox 2TB External Hard Drive Portable HDD - USB 3.2 Gen 1, Black with built-in green LED bar , Xbox Certified, 3 year Rescue Services (STKX2000400) : Video Games