[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 durable, 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, Thunderbolt expansion, System: Mac os/ Windows/ Linux Speed: SATA3 (6G) bottom layer total bandwidth 16G Colour:black Material:PCB+Metal+Plastic Size: 80 x 22MM Package Contents: 2 x Riser Card 2 x Screwdriver 2 x Screw 2 x SATA Cable(the appearance and color are random, don't accept the specified )