StarTech Black USB3DOCKHDPC Universal USB 3.0 4K Laptop Docking Station w/ 4K DisplayPort Ports Spec: Connector Type(s): 1 x DisplayPort (20 pin) Female 1 x HDMI (19 pin) Female 1 x USB 3.0 A (Fast-Charge; 9 pin; SuperSpeed) Female 3 x USB 3.0 A (9 pin; SuperSpeed) Female 1 x RJ-45 Female 1 x 3.5 mm Mini-Jack (4 Position) Female 1 x USB 3.0 B (9 pin; SuperSpeed) Female 1 x Security Lock Slot Female Maximum Data Transfer Rate: 5 Gbps (USB 3.0) 2 Gbps (Ethernet; Full-Duplex) Maximum Digital Resolutions: 3840x2160 / 2560x1600 / 2560x1440 (DisplayPort - Single Display) 2560x1440 (HDMI - Single Display) 2048x1152 & 2048x1152 (DisplayPort & HDMI - Two Displays) Type and Rate: USB 3.0 - 5 Gbit/s UASP Support: Yes Compatible Networks: 10/100/1000 Mbps Auto MDIX: Yes Full Duplex Support: Yes Dimension: 0.90 x 3.00 x 8.90 (H x W x L) Weight: 0.61 lbs.