The **M2SBS-211-R2** is a specific model of an **M.2 SSD to SATA Adapter/Bridge Board**. These devices are primarily used to connect M.2 Form Factor SSDs (typically SATA-based) to a standard 2.2-inch SATA interface for use in laptops, desktops, or external enclosures. Below is a breakdown of the electronic components and technical specifications typically associated with this part. --- ### 1. Key Technical Specifications | Feature | Description | | :--- | :--- | | **Interface (Host)** | 22-pin SATA (7-pin Data + 15-pin Power) | | **Interface (Device)** | M.2 B-Key or B+M Key | | **Supported Lengths** | 2230, 2242, 2260, 2280 (mm) | | **Data Rate** | Up to 6Gbps (SATA III) | | **Voltage Input** | 5V (from SATA power rail) | | **Voltage Output** | 3.3V (standard for M.2 SSDs) | --- ### 2. Primary Electronic Components The board consists of several critical stages to ensure data integrity and power management: #### A. Voltage Regulator Circuit M.2 SSDs operate on **3.3V**, while standard SATA power cables provide **5V** and **12V**. * **Step-Down Regulator (Buck Converter/LDO):** The board includes an IC to convert the incoming 5V from the SATA power connector down to a stable 3.3V. * **Filter Capacitors:** Tantalum or Ceramic (MLCC) capacitors are placed near the M.2 slot to smooth out voltage ripples and prevent data corruption during high-load operations. #### B. The M.2 Connector (Slot) * **Keying:** This specific board usually features a **B-Key** slot. * **Compatibility Note:** It is designed for **SATA M.2 SSDs** (like the Samsung 860 EVO M.2). It is **not compatible** with NVMe (PCIe) SSDs because the physical pins and protocols are different. #### C. Signal Integrity Components * **Coupling Capacitors:** Small capacitors on the TX/RX differential pairs ensure that DC offsets are removed from the high-speed data signals. * **LED Indicators:** Most "R2" (Revision 2) boards include a surface-mount LED to indicate power status and disk activity. --- ### 3. Usage & Installation Steps 1. **Alignment:** Slide the M.2 SATA SSD into the slot at a 30-degree angle. 2. **Securing:** Press the SSD down and secure it with the included screw at the appropriate mounting hole (usually 80mm). 3. **Connection:** Plug the 22-pin SATA combo cable from your PC into the adapter. 4. **BIOS Check:** The drive should appear in the BIOS as a standard SATA AHCI device. --- ### 4. Summary Table: Compatibility | Component Type | Compatible? | Reason | | :--- | :--- | :--- | | **M.2 SATA SSD** | **YES** | Matches protocol and physical pins. | | **M.2 NVMe SSD** | **NO** | Different signaling (PCIe vs SATA). | | **mSATA SSD** | **NO** | Different physical form factor. | ---