1. Dedicated to M.2 NVME hard drives2. Motherboards that do not support NVME cannot boot the system. Need to change BIOS3. 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-MSupport size:support 2230/2242/2260/2280Interface rate:PCI-E3.01X only supports NVME or PCIE protocol SSDWorking environment:-5-70Supported systems:for WIN10 WIN11Hard disk installation steps:A: Snap the SSD fixing hole into the groove in the middle of the copper pillarB: Lock The Screws From The Bottom And Fix ItNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use.Color:As ShownMaterial:PCB+CopperSize:about 123mmx21mm Package Contents:1 * Expansion Card1 Set * 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.