RayCue multiport adapter allows me to easily transfer my video clips or photos to my external hard drive. This multiport adapter has 3 USB ports, 1 SD Card and Mini SD Card port and 1 Thunderbolt port. This adapter is very much needed if you have a MacBook Pro with only two ports. MacBook accessories SD Card Reader for MacBook USB Ports Adapter LTKhome LTKVideo LTKfindsunder50