1. Dedicated to M.2 NVME hard drives 2. Motherboards that do not support NVME cannot boot the system. Need to change BIOS 3. Be sure to confirm that the MINIPCIE interface of your machine is plugged into a WiFi wireless network card. If it is plugged into other devices, please do not buy it. 4. This M.2 interface is recommended to install NVMe M.2 NGFF SSD of 2230 or 2242. M.2SATA NGFF SSD of other protocols cannot be inserted. 5. The volume of this product is about 3 mm longer than the full-height MINIPCIE wireless network card. The adapter card with the hard drive is also thicker than your for original wireless network card. Before purchasing, make sure the volume can be accommodated. Interface:MINI PCI-E TO M.2 KEY-M Support size:support 2230/2242/2260/2280 Interface rate:PCI-E3.01X only supports NVME or PCIE protocol SSD Working environment:-5℃-70℃ Supported systems:for WIN10 WIN11 Hard disk installation steps: A: Snap the SSD fixing hole into the groove in the middle of the copper pillar B: Lock The Screws From The Bottom And Fix It Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use. Color:As Shown Material:PCB+Copper Size:about 123mmx21mm Package Contents: 2 x Expansion Card 2 Set x Screw Mounting Accessories 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.