iBridge is a family of embedded processing devices for Intel-based Macs. There are two major variants.
iBridge T1 - found in the following Macs:
- MacBook Pro (13-inch, 4 Thunderbolt 3 ports, 2016)
- MacBook Pro (15-inch, 2016)
- MacBook Pro (13-inch, 4 Thunderbolt 3 ports, 2017)
- MacBook Pro (15-inch, 2017)
iBridge T2 - found in the following Macs:
- iMac Pro (2017)
- MacBook Pro (13-inch, 4 Thunderbolt 3 ports, 2018)
- MacBook Pro (15-inch, 2018)
- Mac mini (2018)
- MacBook Air (Retina, 13-inch, 2018)
- MacBook Pro (13-inch, 4 Thunderbolt 3 ports, 2019)
- MacBook Pro (15-inch, 2019)
- MacBook Air (Retina, 13-inch, 2019)
- Mac Pro (2019)
- MacBook Pro (13-inch, 2 Thunderbolt 3 ports, 2019)
- MacBook Pro (16-inch, 2019)
- MacBook Air (Retina, 13-inch, 2020)
- MacBook Pro (13-inch, 2 Thunderbolt 3 ports, 2020)
- MacBook Pro (13-inch, 4 Thunderbolt 3 ports, 2020)
- iMac (Retina 5K, 27-inch, 2020)
iBridge devices run a heavily modified version of watchOS, titled bridgeOS (T1 devices run embeddedOS), and they power various functions on Intel-based Macs.