PCle 8X interface Compatible with PCle x8/16 slot This adapter card can fer out 2 U2 (SFF-8643) interfaces through the PClex8 slot of the host. Users can connect 2 U2 SSDs at the same time through the SFF-8643 to U2 (SFF-8639) data cable to increase the bus bandwidth. Easy to install, no drivers required. Committed to solving the ever-increasing storage needs of users.<br><br>Due to different batches, the appearance, color and printed words of the product may vary, which will not affect the use. Colour:Black Material:PCB<br><br>Package Contents: 1 * Adapter Card<br><br>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.