diskutil list sudo diskutil eraseDisk MS-DOS WIN10 GPT /dev/disk2 sudo mkdir /Volumes/WIN10/efi/microsoft sudo cp -r /path/to/windows/efi/boot /Volumes/WIN10/efi/
Installing Windows on an external drive is a "hack" for the power user. It is not the seamless experience Apple provides with a standard Boot Camp partition. However, for owners of Intel Macs with tiny 128GB or 256GB internal drives, it is a lifesaver. It grants the ability to run necessary Windows-only software without sacrificing the speed or storage of the primary macOS installation. install bootcamp on external drive
Proceed with patience, use a fast SSD, and ensure you have your drivers ready. With those pieces in place, you can successfully extend the life of your Intel Mac for years to come. diskutil list sudo diskutil eraseDisk MS-DOS WIN10 GPT
| Metric | Internal SSD (APFS) | Internal Boot Camp (NVMe) | External Boot Camp (USB 3.2) | External Boot Camp (Thunderbolt 3) | |--------|---------------------|----------------------------|-------------------------------|--------------------------------------| | Seq Read (MB/s) | 2,800 | 2,500 | 980 | 2,300 | | Seq Write (MB/s) | 2,200 | 2,100 | 890 | 1,800 | | Boot time to desktop | 12 sec | 14 sec | 35 sec | 19 sec | | Game load (Cyberpunk 2077) | n/a | 48 sec | 92 sec | 58 sec | | DiskMark IOPS (4K QD1) | 68 | 62 | 28 | 54 | It grants the ability to run necessary Windows-only
Installing an operating system on an external drive is more complex than a standard installation. To ensure success, you need the right hardware: