Oculink is an interface ferred from the NVME solid-state drive slot of the computer motherboard. NVME uses a pure PCIe channel, so the Oculink external graphics card dock also uses a PCIe channel with little performance loss. Compared with the traditional fer solution, Oculink's effective bandwidth can reach 64Gbps in the case of PCIe 4.0 x4, far exceeding the solution.<br><br>Product name:Oculink to PCIe x16 eGPU Adapter Product model: F9G-BK7 ferspeed:PCIe 4.0 x4, gen4, 64G/bps (Max.) Application: eGPU for NUC / ITX / / Notebook PC Friendly reminder: Oculink does not support hot swapping Product use: For external graphics cards or other PCIe devices Power supply description: Supports standard ATX 500W or above power supply, the buyer needs to prepare the power supply Colour:Black Material:PCB+Metal<br><br>Package Contents: 1 x eGPU OCuLink GPU Dock<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.