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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
I just bought a new Macbook Air M4 and I have an external hard drive with a usb connection. What switch do I need for the external hard drive to connect to the new Macbook?
MacBook Air 13″, macOS 12.7
You’ll need a USB-A to USB-C plug adapter or cable.
A quick search on Amazon or Google will show you what you need.
If this is a portable, bus-powered hard drive, it might have a Micro USB 3.0 B connector on the drive itself, and it might have come with a Micro USB 3.0 B to USB-A cable. Micro USB 3.0 B is a flat, crimped connector that appears to consist of two sections "glued" side by side, when viewed head-on.
In that case, one option would be to replace the cable with a Micro USB 3.0 B to USB-C one.
iHappened to be midway in search & thought maybe to help?
About the Apple USB-C to USB Adapter - Apple Support
//support.apple.com/en-us/111751
https://duckduckgo.com/?t=ftsa&q=apple+store+USB-A+to+USB-C+plug+adapter+or+cable&ia=web
cable for my external hard drive with a usb port
