Reliable Core with ASMedia ASM1166 Chip: Built around the ASMedia ASM1166 chip, this PCIe SATA expansion card ensures superior signal integrity, thermal resilience, and consistent performance, making it ideal for continuous use scenarios like surveillance or NAS installations.;Broad OS Support: Offers wide compatibility with Windows, Linux, OS X, and NAS systems including Synology, ensuring seamless integration regardless of platform, while supporting both AHCI and legacy IDE mode for older system compatibility.;Legacy Support with IDE Mode: In addition to modern AHCI, this 6-port riser card supports IDE mode, allowing compatibility with older operating systems or BIOS configurations that do not support AHCI, ensuring smooth upgrades in mixed environments.;No Driver Needed, Plug and Play Ready: Enables instant use upon installation – simply insert the card, connect your SATA devices, and the system automatically recognizes them, reducing setup complexity and downtime.;High Speeds for Multiple Devices: Each of the six SATA 3.0 ports supports up to 6.0 Gbps transfer speeds, enabling high-bandwidth communication with SSDs, HDDs, and optical drives for versatile storage expansion.;This ASMedia ASM1166 Chip-powered PCIe card is a reliable solution for expanding system storage capacity. Combining cutting-edge hardware with broad software compatibility, it supports both AHCI and IDE mode, catering to both modern and legacy systems. With no driver required and full plug-and-play functionality, it simplifies upgrades. The six SATA 3.0 ports deliver 6 Gbps speeds each, while broad compatibility ensures smooth operation on Windows, Linux, macOS, and NAS platforms. Add reliable, high-speed storage today with intelligent design and enterprise-grade stability in a compact form.