1. This is an expansion board for ALLY smart handheld to upgrade 2230 size M.2 SSD drive to 2280 size NVME M-Key M.2 PCIE 4.0 SSD drive. The expansion board features a 90-degree green design to better fit the body of for the ALLY Smart Pocket PC, while providing higher fer speeds and larger storage capacity to meet users' needs for high-speed, high-capacity storage. 2. The expansion board also features manufacturing process and materials, which can provide stable and reliable performance and bring users a better experience. 3. It should be noted that the use of this expansion board card requires a certain degree of technical and operational skills, it is recommended to install and use under the guidance of professionals. Color: Black Material: plastic Package Contents: 1 * fer Board 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.