Rtl9210b Datasheet 2021 -

The is a high-performance, low-power USB bridge controller designed to bridge USB 3.2 Gen2 to either PCIe Gen3 x2 (NVMe) or SATA Gen3 . As of 2021, it established itself as the industry standard for "dual-protocol" M.2 SSD enclosures, solving many of the compatibility and overheating issues found in earlier bridge chips. Technical Specifications & Hardware Capabilities RTL9210B-CG

The most significant update found in the 2021 datasheet is the "B" variant's . While the original RTL9210 was NVMe-only, the rtl9210b datasheet 2021

allows a single enclosure to work with both NVMe and SATA M.2 SSDs. Primary Protocol PCIe NVMe only Primary Protocol PCIe NVMe & SATA SATA Support SATA Support Yes (Gen3, 6Gbps) Max USB Speed Max USB Speed Power Delivery Power Delivery Improved (PD 3.0 on BPD models) Stability and Firmware Enhancements RTL9210B-CG - Realtek The is a high-performance, low-power USB bridge controller

Ultra-low power mode (approximately 12.5mW) helps prevent overheating in compact enclosures. While the original RTL9210 was NVMe-only, the allows

Supports advanced power states including , CLKREQ, and L1 substates.

Includes a built-in switching regulator (5V to 1V) and LDO (5V to 3.3V), reducing the need for external power ICs.

Integrated support for Type-C connectors, external SPI Flash (up to 32MB), UART, I2C, and customized LED behaviors. RTL9210B vs. RTL9210 (Non-B Variant)