Interface: USB-C‎Video Interfaces: 2 x DisplayPort 1.4; 1 x HDMI 2.0; 1 x VGANetworking: Gigabit Ethernet BrandLenovoDocking Interface2 x USB-C (10 Gbps, 5V/3A power); 4 x USB 3.1 Gen 2 (10 Gbps, 1 always-on)Video Interface2 x DisplayPort 1.4; 1 x HDMI 2.0; 1 x VGANetworkingGigabit EthernetPower135 WExpansion / Connectivity2 x USB-C (10 Gbps, 5V/3A power); 4 x USB 3.1 Gen 2 (10 Gbps, 1 always-on) 2 x DisplayPort 1.4; 1 x HDMI 2.0; 1 x VGAColourBlackMiscellaneousRefresh Rate DisplayPort: 4096 x 2160 @ 60 Hz; DisplayPort or HDMI: 4096 x 2160 @ 60 Hz; VGA: 2048 x 1536 @ 85 Hz;; "Maximum resolution" refers to what can be supported by the dock. Actual resolution will vary by laptop. Agency Approvals AS/NZS S-DOC, BSMI, CB, CE, EAC, EU DOC, FCC, ICES, KCC, NOM, Ukr SEPRO, UL/cUL, VCCIWeight‎998 g