This external graphics card GPU docking station is designed for laptops, supporting M.2 NVMe interface and PCIe 4.0 x4, with a bandwidth of 64Gbps. It is compatible with Intel NUC motherboards, STX motherboards, and ITX motherboards. The docking station has a small size design and excellent SI performance, with signal rates up to PCIe4 16GT/s and SAS 4.0 24Gbps. It also supports 85 ohm impedance applications and is RoHS compliant. The product has a friendly reminder that OcuLink does not support hot-swap and requires a standard ATX 500W power supply. The docking station is designed for use with graphics cards external or other PCIe devices, and it has a device indicator that shows the status of the graphics card docking device at a glance.