ASMedia ASM1166 is a SATA host controller (AHCI) with an upstream PCIe Gen3 x2 interface and downstream support for up to six SATA Gen3 ports. The ASM1166 is designed to provide high-speed and reliable data transfer rates between the host system and multiple SATA storage devices, such as solid-state drives (SSDs) and hard disk drives (HDDs). Its advanced features include Native Command Queuing (NCQ), Hot-Plug support, and staggered spin-up, making it an ideal solution for demanding storage applications. With its efficient design and robust functionality, the ASM1166 is a reliable and versatile SATA host controller that can enhance the performance of any computing system.