Edimax usb 2030 fastgigabit ethernet adaptors edimax eu 4306 this usb 30 gigabit ethernet adaptor from edimax offers speeds up to 5 gbitss making it the new standard for data transmission technology for pcs and laptops some computers have only 10100 ethernet ports while macbook airs and often ultrabooks do not have ethernet ports the existing usb 20 gigabit ethernet adaptors are limited by the usb 20 to a maximum data transfer rate of 480 mbits but the eu 4306 adaptor can reach