Rtl9210b Datasheet 2021 Repack May 2026
| 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 |
Published: Mid-2021 Review | Part Number: RTL9210B-VC / RTL9210B-CG Vendor: Realtek Semiconductor Corp. Introduction: Why the 2021 Datasheet Still Matters The Realtek RTL9210B 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
| Feature | RTL9210B | ASMedia ASM2362 | JMicron JMS583 | | :--- | :--- | :--- | :--- | | Max PCIe Speed | Gen 3 x2 | Gen 3 x2 | Gen 3 x2 | | UASP Support | Full | Full | Partial (no TRIM) | | Operating Temp (max) | 85°C | 70°C | 80°C | | 4Kn Drive Support | Yes (2021 FW) | No | Via beta FW | | Price (2021, 1k units) | $2.85 | $4.20 | $2.60 | | State | USB Link | Current (5V)
| Parameter | Symbol | Min | Max | Unit | | :--- | :--- | :--- | :--- | :--- | | Core Supply Voltage | VDD_CORE | -0.3 | 1.26 | V | | I/O Supply Voltage | VDD_IO | -0.3 | 3.63 | V | | PCIe Reference Clock | REFCLK | - | 100 | MHz | | Storage Temperature Range | T_STG | -55 | +150 | °C | | Operating Junction Temp | T_J | 0 | +85 | °C | | Feature | RTL9210B | ASMedia ASM2362 |
For engineers, the key takeaways are the updated power sequencing rules, the errata workarounds, and the PCB impedance requirements. For hobbyists, the 2021 sheet confirms that firmware tools like RTL9210B_FW_Tool_v1.19 are the last stable releases before newer versions introduced read-only bugs.
Engineers searching for the "rtl9210b datasheet 2021" are typically looking for one of three things: original pinout diagrams for PCB layout, power consumption tables for USB-C certification, or the specific register mappings used in firmware development for drives like the WD Black SN750 or Samsung 980.
