Model A
USB3.0 A+Type-C to 3*USB3.0+1000Mbps RJ45 adapter
Model B
USB3.0 A+Type-C to 3*USB3.0+100Mbps RJ45 adapter
Model C
USB3.0 A+Type-C to USB3.0+2*USB2.0+100Mbps RJ45 adapter
Model D
USB.0 A+Type-C to 3*USB2.0+100Mbps RJ45 adapter
Material
Aluminum house+ Bare copper/PVC