[ASM1166 chip] Using the latest ASM1166 chip solution, high-speed transmission and stable performance, it is committed to meeting users' needs for massive data space [High quality heat dissipation] More durable, in order to enhance the stability of operation, an heat sink is added [Intelligent indicator light] The light is on when the corresponding interface has a SATA device, and it flashes when there is data reading and writing. The product is equipped with a reinforced bottom plate, making the product firm and not easy to deform Compliant with M.2 KEY M standard. Name:PH516 Support hard disk: hard disk supporting SATA protocol Support: 6 SATA devices, Thunderbolt expansion, System: Mac os/ Windows/ Linux Speed: SATA3 (6G) bottom layer total bandwidth 16G color:Black Material:PCB+Metal+Plastic size: 80 x 22MM Package Contents: 1 x Riser Card 1 x Screwdriver 1 x Screw 6 x SATA Cable(Appearance random and color random, Cannot select specified appearance and color) Only the above package content, other products are not included. Note: Light shooting 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.