Product model: R43SC-WKProduct name: PCI-E graphics card extension cableBandwidth speed: PCIe 3.0x1 gen3; 8G/bps (Max.)Restrictions on use: The product is only for professional engineers. Ordinary users should not buy it. Old equipment 3 years ago is not supported.Procurement Tips: Be sure to buy 1 - 2 samples before testing and verifying that they are correct before purchasing in large quantities.Friendly reminder: There are many compatibility issues with this product. There are technical problems that cannot be solved by extending the external graphics card of the notebook or modifying it privately. Improper assembly or improper operation will burn your device. Non-professional engineers are prohibited from using it.color:BlackMaterial:MetalPackage Contents:1 x M2 NGFF NVMe to x16 extension cable (cable length 25cm)Only the above package content, other products are not included.Note: Light shooting 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.