Type: M2 Interface Extension Test Protection Card Model Number: SSD Hard Disk Interface Product description: This adapter card is suitable for installing M.2 SSDs on the adapter card for testing purposes to avoid damage to the gold finger, and also to convert short specification SSDs to long specification SSDs, but one thing must be noted that the thickness increases after such a conversion, please confirm the installation space of the machine! How it works: The adapter card works extremely simply, it's a one-to-one connection line that doesn't need to be converted by a chip in the middle, so there's no need for a driver and it 't change any of the performance of your hard drive! Colour:green Material:Metal + Plastic style:M.2 NVME Note: M.2 hard drives have a variety of protocols, please be sure to choose and your hard drive agreement consistent adapter card, the agreement is not consistent can not be used Oh! Package Contents: 1 * Extension 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.