[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 [Aluminum alloy heat dissipation] More , in order to enhance the stability of operation, an aluminum alloy 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 Name:PH516 Support hard disk: hard disk supporting SATA protocol Support: 6 SATA devices, expansion, System: os/ / Linux Speed: SATA3 (6G) bottom layer total bandwidth 16G Colour:black Material:plastic Package Contents: 2 x PCIE Adapter Card 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.