PCI-E 3.0 M.2 M-key to Oculink SFF-8612 SFF-8611 Host Adapter for ThinkBook 16+ Laptop External Graphics Card & SSD This convertor only work for ThinkBook 16+ Laptop, Not work for 14+ and other laptop. The convertor expands the system by one SFF-8612 interface. It can be connected e.g. one SSD or Graphics Card by using an optional cable+power. The card transmits PCI Express 4x signals using the NVMe protocol. Specifications Data transfer rate up to 32 Gbps Supports (NVMe) 1.2 Type:Graphics card transfer card The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:PC Package Contents: 1 * adapter card 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.