The official datasheet (Rev 1.1) outlines the following core capabilities:
| Feature | RTL9210B | ASMedia ASM2362 | JMicron JMS583 | |---------|-----------|----------------|----------------| | PCIe lanes | Gen 3 x2 | Gen 3 x2 | Gen 3 x2 | | Integrated regulators | Yes (LDOs) | No (external) | Partial | | Typical power active | 1.8W | 2.8W | 2.2W | | Max throughput | 1050 MB/s | 1050 MB/s | 1000 MB/s | | Firmware updatable | Yes (SPI) | Yes | Yes | | 2021 price (10k units) | ~$3.80 | ~$4.50 | ~$3.20 | rtl9210b datasheet 2021
| State | USB Link | Current (5V) | Power | Temp Rise | | :--- | :--- | :--- | :--- | :--- | | Sleep (ASPM L1.2) | Suspend | 58 mA | 0.29 W | +2°C | | Idle (no trim) | Gen 2 (10G) | 320 mA | 1.6 W | +12°C | | Sequential Write (4KB) | Gen 2 (10G) | 890 mA | 4.45 W | +38°C | | Thermal Throttle (85°C) | Gen 1 (5G) | 610 mA | 3.05 W | N/A | The official datasheet (Rev 1
is a high-performance USB bridge controller designed to connect both and SATA M.2 SSDs to a USB host. Unlike its predecessor, the RTL9210 (which only supports NVMe), the "B" variant is a dual-protocol solution that automatically detects and switches modes based on the drive inserted. Key Specifications SSDs. Released around 2020-2021
: Uses the PEDET interface of the M.2 mechanical connector to automatically detect and switch between USB-to-PCIe and USB-to-SATA modes.
SSDs. Released around 2020-2021, it was widely adopted for its versatility and improved power efficiency compared to older competitors like the JMicron JMS583. www.reddit.com Core Technical Specifications According to official Realtek documentation and datasheets: Interface Support