For Microsoft Surface Pro 8 7 6 5 4 Hub 5/6 in 1 USB Docking Station with 4K HDMI-compatible USB 3.0 Memory Card Slot Reader Feature: Small and beautiful appearance; Compatible for Surface Pro 8/Pro 7/Pro 6/ Pro 5/ Pro 4. Specification: for Surface Pro 6/ Pro 5/ Pro 4. USB interface compatible: USB 3.0/2.0/1.0 Memory card support: Secure Digital/Secure DigitalHC/Secure DigitalXC/TF HDMI-compatible: 4K 30Hz Compatible system: for Windows XP/7/8/10, for MAC OS 9X/10 Voltage: 5V 9V 14.5V 20.3V Input: USB 3.0 male, Mini DP male Output: USB 3.0*2, HDMI-compatible*1, Secure Digital/TF*1 Color: Silver/Black optional Product weight: 48g Gro weight: 72g Product size: 91.5*32*11.5mm/3.60*1.26*0.45 Packing size: 195*82*30mm/7.68*3.23*1.18 for Surface Pro 7 USB 3.0 interface compatibility: USB 3.0/2.0/1.0 Support: Windows XP/7/8/10 Voltage: 5V Output interface: HDMI-compatible * 1, USB3.0 * 1, USB2.0 * 1, for SD, for Micro SD Product weight: 57g Product size: about 94 * 31 * 9.5mm/3.70 * 1.22 * 0.37inch Package size: about 140 * 70 * 15mm/5.51 * 2.76 * 0.59inch for Surface Pro 8 Interface Type: USB Type-C Ports: 6 Standard: USB 3.0 Model Number: Docking Station Hub USB 3.0 interface compatibility: USB 3.0/2.0/1.0 Support: Windows XP/7/8/10 Voltage: 5V Output interface: HDMI-compatible * 1 USB3.0 * 1, USB2.0 * 1, Secure Digital Card, TF, PD Color: silver/black (optional) Product weight: 52g Product size: 88 * 33 * 9.5mm/3.5*1.3*0.4in Package size: 140 * 70 * 15mm/5.5*2.7*0.6in Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. 1 X USB Hub