The Gembird A4-PK-920H supports a newer Mac operating systems support than most webcams that have been available for a comparable time to it. This webcam supports a Mac OS X 10.9 Mavericks mac operating systems supported, whereas most similar spec webcams that were released more than two years ago support a Mac OS X 10.5 Leopard mac operating systems supported. This Gembird webcam also support Mac OS X 10.6 Snow Leopard and Mac OS X 10.7 Lion and Mac OS X 10.8 Mountain Lion mac operating systems supporteds.
This webcam's Mac operating systems support (Mac OS X 10.9 Mavericks) is in fact the best supported Mac operating systems support amongst all webcams that came out more than two years ago.
The worst supported Mac operating systems support amongst comparable types of webcam is Mac OS X 10.4 Tiger.