This convertor only work for 2022-2023 for ThinkBook 16+ AMD8845 CPU Laptop, Not work for 14+ and other laptop. The convertor expands the system by one SFF-8612 interface. The card transmits PCI Express 4x signals using the NVMe protocol. Connectors:1 x OCuLink SFF-8612 female 1 x 67 pin M.2 Key M male Data transfer rate up to 32 Gbps Supports NVM Express (NVMe) 1.2 Colour:Black Material:PC Package Contents: 1 x Adapter(Due to different product batches, the appearance may vary, which does not affect the use) 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.