Make sure that there’s nothing contained on the drive that you need, because this process will completely delete the contents of the drive. If you want a drive with extra storage, then it makes sense to opt for a higher tier, but if you just plan on using it as a USB installer, then 16GB should be plenty. The drive comes in 16, 32, 64, 128, and 256GB storage varieties. This is the drive that I’ve been using and my experience with it has been great. It’s affordable, and comes with both a USB-C connection and a traditional USB-A connection. I recommend this SanDisk Ultra Dual Drive USB Type-C Flash Drive.
You’ll want a USB drive with at least 8GB of storage, but having more storage is never a bad thing. In the age of USB-C, it’s preferable that you use a USB flash drive with a USB-C connection if possible. Flash driveīefore beginning you’ll need to acquire a USB flash drive.
Follow our easy-to-use step-by-step video tutorial for the details. This hands-on tutorial will work with both the macOS Catalina developer beta, the macOS Catalina public beta, and the final version of macOS Catalina scheduled to launch later this fall. Creating a bootable macOS Catalina USB install drive is an effective way to generate a clean installation of macOS on your Mac.
