Supports PCIe Gen3 x2 with bandwidth up to 16GT/s. It is compliant with NVMe 1.3 specifications.
The is a highly integrated USB 3.1 Gen 2 to PCIe Gen 3 x2 bridge controller, primarily designed for external SSD enclosures (NVMe and AHCI). While newer chips exist, the 2021 revision of the RTL9210B datasheet represents a critical baseline for firmware stability, power sequencing, and hardware compatibility. rtl9210b datasheet 2021