The ASMedia ASM1093 is a USB 3.0 to SATA bridge controller chip. It is commonly used in external storage devices, such as hard drive enclosures or docking stations, to enable the connection of SATA hard drives or solid-state drives (SSDs) to a computer via a USB 3.0 interface. The ASM1093 provides high-speed data transfer rates and supports various SATA versions, including SATA III (6Gbps) for optimal performance. It is compatible with different operating systems and requires minimal installation or configuration. The ASMedia ASM1093 is a reliable and cost-effective solution for adding external storage capabilities to a computer system.