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Realtek Semiconductor (2379.TW) has launched the RTS5490, the world's first USB-IF fully certified multi-port USB4 hub controller with integrated USB Type-C/PD functionality. The breakthrough device doubles bandwidth from USB 3.2's 20Gbps to 40Gbps, while maintaining compatibility with USB 3.2 and 2.0 devices.
The RTS5490 features one upstream USB4 port, two downstream USB4 ports, two USB 3.2 Gen 2x2 downstream ports, and DisplayPort 2.1 with input/output ports. This highly integrated solution includes a 32-bit processor, USB 2.0/3.2 hub, DisplayPort controller, PCIe switch, and USB 3.2 host controller.
The controller enables advanced applications like AI acceleration using USB4/Thunderbolt external graphics cards and high-speed inter-domain data transfer between computers. It supports 240W rapid charging and offers multi-display capabilities.