Based on the technical specifications for the **M2SBS-213-R2**, this part number typically refers to a high-performance **M.2 SSD to SATA/SAS Bridge Solution** or a specific **Server-Grade Storage Interconnect**. It is commonly found in enterprise storage arrays and high-availability server configurations. --- ## Technical Specifications & Electronic Components The M2SBS-213-R2 acts as a physical and protocol interface converter. Below are the key electronic characteristics: | Component Category | Specification / Detail | | :--- | :--- | | **Interface Type** | M.2 (NGFF) to SATA (22-pin) or Mini-SAS | | **Protocol Support** | SATA III (6Gbps) / SAS 12Gbps (Backwards compatible) | | **Form Factor** | 2.5-inch Drive Bay Compatibility | | **Voltage Input** | 5V / 12V DC Input (Internal Regulation) | | **PCB Layers** | High-density multi-layer (typically 4-6 layers) for EMI shielding | ### Key Features 1. **Signal Integrity (Redrivers/Retimers):** The board often includes electronic **redrivers** to maintain signal strength across the bridge, ensuring that the high-speed data from the M.2 drive reaches the backplane without CRC errors. 2. **Power Management Integrated Circuits (PMIC):** It features step-down voltage regulators. Since M.2 drives typically operate on **3.3V**, the bridge must convert the **5V or 12V** supplied by the server backplane into a stable 3.3V rail. 3. **Thermal Management:** The PCB is designed with thermal vias and copper pours to act as a heat sink for the M.2 SSD, which can generate significant heat during sustained IOPS. --- ## Pinout and Connection Mapping The electronic mapping follows the standard M.2 B-Key or M-Key pinout, translated to the standard SATA/SAS connector: ### Power Pins * **3.3V Rail:** Dedicated to the M.2 Drive power. * **GND:** Common ground across the PCB to prevent ground loops. ### Data Pairs * **TX+/- & RX+/-:** Differential signal pairs used for high-speed data transmission. These traces are length-matched on the PCB to prevent signal skew. --- ## Typical Application Diagram ```mermaid graph LR A[M.2 SATA SSD] -- M.2 Connector --> B(M2SBS-213-R2 Bridge) B -- SATA/SAS Interface --> C[Server Backplane] B -- Power Regulation --> D[3.3V LDO/Buck] ``` ---