Product Model: F9G-BK7-F9934Application: eGPU for NUC / ITX / / Notebook PCProduct Name: Oculink External Graphics Docking StationTransmission speed: PCIe 4.0 x4, effective bandwidth 64GbpsProduct use: for graphics card external or other PCIe devicesProduct Description: Oculink is an interface that is adapted from the NVME SSD slot on the motherboard of the computer, NVME takes the pure PCIe channel, so the Oculink external graphics docking station also takes the PCIe channel, which has a small performance loss. Compared to traditional -compatible adapter solutions, Oculink's effective bandwidth can reach 64Gbps under PCIe 4.0 x4, far exceeding -compatible solutions.Friendly reminder: OcuLink does not support hot-swapPower supply: Support standard ATX 500W power supply, power supply needs to be prepared by the buyer.Specifications: 25cmColor: BlackMaterial: PCB+MetalPackage Contents:1 * Graphics card expansion dock1 * Connection cableOnly 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.