Ideal for legacy (pre-Thunderbolt) Mac Pro's and the Mac OS X operating system, the Rocket 1022AM, also known as the RocketU Dual USB 3.0 for Mac, is optimized for external storage configurations. The RocketU 1022AM is an affordable USB 3.0 upgrade and will automatically recognize pre-configured external hard disks and SSD's.
5Gbps transfer bandwidth
PCI-E 2.0 x1
Supports Mac OS X 10.6 ~10.7.4, 10.8.3 ~ 10.11
Designed for USB hard drives, SSD’s and drive docks