GW-R86S-U1: N5105/8GB memory/128GB hard drive/3*2.5G 1226V networkport/2*10G 10 Gigabit optical port/2*USB 3.0/1*USB 2.0/1*TF/1"MICROHDMI/TYPE-C power supply
GW-R86S-U2: N5105/16GB memory/128GB hard drive/3*2.5G 1226V networkport/2*10G 10 Gigabit optical port/2*USB 3.0/1*USB 2.0/1*TF/1*MICROHDMI/TYPE-C power supply
GW-R86S-U3: N6005/16GB memory/128GB hard drive/3*2.5G 1226V networkport/2*10G 10 Gigabit optical port/2*USB 3.0/1*USB 2.0/1*TF/1*MICROHDMI/TYPE-C power supply+built-in WIFI/BT (only receiving without AP function)
GW-R86S-U4: N6005/32GB memory/128GB hard drive/3*2.5G 1226V networkport/2*10G 10 Gigabit optical port/2*USB 3.0/1*USB 2.0/1*TF/1*MICRO-HDMI/TYPE-C power supply+built-in WIFI/BT (only receiving without APfunction)