Fangrui Product Details Features: 1. This Is An Expansion Board For Ally Smart Handheld Devices, Used To Upgrade The 2230 Size M.2 Ssd Drive To A 2280 Size Nvme M-key M.2 Pcie 4.0 Ssd Drive. The Expansion Board Adopts A 90-degree Green Design, Which Can Better Fit The Body Of For Ally Smart Handheld Computer, While Providing Higher Transmission Speed And Larger Storage Capacity To Meet Users Needs For High-speed And Large-capacity Storage. 2. The Expansion Board Also Uses High-quality Manufacturing Processes And Materials, Which Can Provide Stable And Reliable Performance And Bring A Better Experience To Users. 3. It Should Be Noted That The Use Of This Expansion Board Requires Certain Technical And Operating Skills. It Is Recommended To Install And Use It Under The Guidance Of Professionals. 4. Install The 2280 Ssd Hard Disk To Be Replaced Into The Adapter Board And Prepare For System Cloning. 2. Boot Into The System, Connect The Hard Drive, Open Diskgenius, And Use The System Migration Function To Clone The Hard Drive System