Home Forums Apple Help External hard drive for iOS x 10.6.8 Forum Rules | Contact Forum Editor | Report a Post External hard drive for iOS x 10.6.8 Embler 20:00 23 Jan 2017 Locked I need to update my MacBook Pro. The problem is that I need to back everything up onto a hard drive to do so. I need to find an external hard drive that is compatible with my iOS x 10.6.8. Can anyone suggest one? Or who I can call? HondaMan 17:08 24 Jan 2017 Go to Amazon.co.uk and search for external hard drives. You may need to use Disk utility to format for Mac. This thread is now locked and can not be replied to.