Oodelay PE-134 eSATA III 6Gbps 4 Ext Port PCI-e Host Controller for Mac/PC Port Multiplier Capable 6Gbps eSATA III External 4 Ports PCIe Gen2 x4 Lane Host Adapter Supports PCIe 1.0 and PCIe 2.0 motherboard. OS Built-in AHCI inbox driver natively in Windows 10, 8, Win7, Vista, 2008, 2012, Linux, Mac 10.x and later, no additional driver required BIOS on board supports Windows and Linux OS booting Supports four SATA FIS-based or Command-based Port Multiplier