The SIIG e SATA II PCIe i/e Adapter Interface Cards are designed to enhance the interface capabilities of desktop computers with PCI Express ports. These adapter interface cards provide external eSATA, SATA II, and SATA I interfaces for connecting various storage devices. Sealed for reliability, these cards are compatible with both internal and external SATA interfaces, making them a versatile and efficient solution for expanding storage options in your computer system. SIIG is a trusted brand known for producing quality computer components and parts, ensuring optimal performance and compatibility with a wide range of devices.