For V1.0 (small plug) built-in optical drive, tested and shipped. (For optical drive, there are V1.0 small plug and V2.0 large plug. Our product is V1.0 small plug. Please check whether your optical drive is the same before purchasing!) Note: If the optical drive with metal cover is completely replaced, it will include the built-in optical drive board, which involves coding issues. You need to remove the optical drive board after receiving the goods and use it back to the optical drive board of your host. The appearance and color of different batches of products may be different, which will not affect the use. Material: Metal colour: silver gray Package Contents: 1 x Internal Optical Drive 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.