‎3.1 x 8.7 x 1.2 inches

StarTech.com Thunderbolt 3 Dock W/USB-C Host Compatibility – Dual 4K 60Hz DisplayPort 1.4 or Dual HDMI 2.0 Monitors – Single 8K – TB3/USB-C Laptop Docking Station – 96W PD, 5xUSB 10Gbps (TB3CDK2DH)