The **M2SES-1A1-R** is a high-performance, small-form-factor Solid State Drive (SSD) module specifically designed for industrial and embedded computing environments. It is manufactured by **Innodisk**. Below is a detailed breakdown of its electronic components, specifications, and architecture. --- ### 1. Key Technical Specifications The M2SES-1A1-R belongs to the M.2 (NGFF) family, utilizing the SATA interface. | Feature | Specification | | :--- | :--- | | **Form Factor** | M.2 2242 (42mm length) | | **Interface** | SATA III 6.0 Gb/s | | **Flash Type** | SLC (Single Level Cell) | | **Capacity** | 1GB (typically, depending on exact sub-model) | | **Control IC** | Standard Innodisk SATA Controller | | **Input Voltage** | 3.3V ± 5% | --- ### 2. Electronic Components & Architecture #### A. Storage Medium: SLC Flash The "S" in the part number often signifies **SLC (Single Level Cell)** NAND flash. Unlike consumer-grade TLC or QLC, SLC stores only 1 bit per cell. * **Durability:** Extremely high P/E (Program/Erase) cycles (up to 100,000). * **Reliability:** Lowest error rates and highest stability in extreme temperatures. #### B. The Controller The onboard controller manages data flow between the SATA interface and the NAND flash. Key electronic functions include: * **Error Correction Code (ECC):** Detects and fixes data corruption on the fly. * **Wear Leveling:** Algorithms that distribute write/erase cycles evenly across flash blocks to prevent premature failure. * **Bad Block Management:** Identifies and maps out defective memory cells. #### C. Power Management Circuitry As an industrial component, the M2SES-1A1-R includes robust power regulation: * **Voltage Regulators:** Converts the 3.3V input to the specific voltages required by the NAND and Controller. * **iData Guard:** A proprietary technology that monitors power levels to prevent data loss during sudden power outages. --- ### 3. Physical & Environmental Attributes Because this part is often used in aerospace, defense, or automation, its physical construction is hardened: * **Gold Finger interface:** Standard M.2 M-key or B+M key for electrical connectivity. * **Thermal Sensors:** Integrated monitoring to prevent overheating. * **Vibration Resistance:** Designed to meet MIL-STD-810G standards. --- ### 4. Part Number Decoder (M2SES-1A1-R) | Segment | Meaning | | :--- | :--- | | **M2S** | M.2 SATA Series | | **E** | Embedded/Industrial Grade | | **S** | SLC Flash Type | | **1A1** | Specific configuration/Capacity code | | **R** | RoHS Compliant | ---