Support most graphics cards, sound cards, network cards, and array cards on the market 5U Immersion Gold Gold Finger Immersion gold thickness up to 5U, strong wear resistance, enhance signal transmission and stability High-quality slots slots improve the clamping force and stability of the device Effectively prevent unstable operation caused by loose equipment, prevent black screen, blue screen of death and other phenomena from occurring Reminder: The extension cord is power supply, does not need auxiliary power supply, plug and play. The old motherboard and motherboard have insufficient power supply. Maximum Speed: PCIe Gen3.0 8Gbps. Connector A: gen 3.0 PCIe x1 Male Connector B: gen3.0 PCIe x16 Female PCIe Gen3.0 8Gbps max PCIE 3.0 transmission efficiency more than 2% Note:Wire length refers to the part of the visible wire, does not contain the PCB and the connector. Color: Black Material: plastic Package Contents: 1 x PCI-E1X to 16X extension cable 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.