8 independent SATA 3.0 ports, max 6Gbps per port for high-speed storage transmission; Powered by ASMedia ASM1166 chip, stable performance without RAID function; PCIe X4 interface, backward compatible with PCIe 3.0 / 2.0 / 1.0 motherboards; Equipped with full-height and low-profile brackets, fits standard & slim chassis; Plug-and-play, compatible with Windows/Linux for PC, NAS and workstation storage expansion