WD 4TB My Passport Ultra for Mac, portable external hard drive, USB C, Mac Compatible, storage, software with defense against ransomware, backup and password protection, Silver

Zoro Tools

Equipped with USB-C technology, the My Passport Ultra for Mac portable drive offers an easy way to expand your storage. Its modern metal design complements your Mac, and out of the box, its formatted for macOS and Time Machine compatibility

Amazon

Western Digital WDBPMV0040BSL-WESN external hard drive 4000 GB Silver