You must tell the kernel to rescan the PCI bus using the following command: Supported kernels older than 3.12 require an extra step after plugging the device in. Thunderbolt devices cannot be plugged in hot on kernels earlier than 2.6.30.
Mac OS X computer with either Thunderbolt, PCIe slot or USB 3.0.General performance and stability improvements for all models.
Prerelease Final Cut Pro 10.6.2 tested using a complex 5-minute project with 8K ProRes 422 media.