Compliant with PCI-Experss. Compliance with Serial ATA Specification 3.0 Bus Type of PCI Express X1 2.0 interface The supported communication rates are 6.0 Gbps Self-identified 12 ports, no need to drive Hot swap and heat exchange This item we have upgrade, The appearance is different from before, and the function is 100% the same as before. If you mind the appearance, please buy carefully. Thanks! Itemname:PCIE 1X to SATA Card Interface: PCI-E 1X Interface rate: 6Gbps Function: for Chia Mining Main control chip: ASMedia1064+JMB575*2 System support:for WIN10 LINUX UBUNTU Colour:Black & Silver Material:PCB+Metal Package Contents: 1 * PCIE Sata Expansion 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.