M2SBS-312-R2
AI

The **M2SBS-312-R2** is a specific technical part number, primarily associated with high-performance **M.2 SSD Thermal Solutions (Heat Sinks)** or mounting hardware used in enterprise and industrial computing environments.
Below is an overview of its electronic and mechanical specifications.
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## 1. Component Overview
The M2SBS series generally refers to **M.2 SSD Heat Sinks** designed to manage the thermal output of NVMe storage devices. The "-312" typically denotes the height or specific Revision 2 (R2) design adjustments for airflow efficiency.
| Feature | Specification |
| :--- | :--- |
| **Component Type** | Passive Thermal Management (Heat Sink) |
| **Supported Form Factor** | M.2 2280 (22mm x 80mm) |
| **Material** | Extruded Aluminum (Al6063-T5) |
| **Interface Material** | High-conductivity Thermal Pad (Pre-applied) |
| **Fastening Method** | Spring Clips or Screw-mount |
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## 2. Key Electronic & Physical Attributes
### Thermal Dissipation
The primary electronic role of this part is to prevent **Thermal Throttling** in high-speed SSDs.
* **Thermal Conductivity:** The aluminum body typically provides ~200 W/m·K.
* **Cooling Efficiency:** Can reduce controller temperatures by 10°C to 25°C depending on chassis airflow.
### Mechanical Dimensions
The R2 version is often optimized for low-profile environments (such as 1U servers or compact motherboards).
* **Height:** Typically 3mm to 12mm (depending on the specific sub-series).
* **Clearance:** Designed to avoid interference with adjacent PCIe slots or CPU coolers.
### Thermal Interface Material (TIM)
The part includes a non-conductive thermal pad.
* **Dielectric Strength:** Ensures that even if the pad touches surface-mount components (SMD) on the M.2 PCB, it will not cause a short circuit.
* **Compressibility:** Allows the heat sink to make contact with both the controller and the NAND flash chips despite height variances.
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## 3. Installation Compatibility
The "R2" revision usually implies improved compatibility with:
1. **Double-Sided M.2s:** Design changes to accommodate chips on both sides of the PCB.
2. **Spring Clip Tension:** Refined pressure to ensure the M.2 card does not bend under thermal expansion.
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- ⤷
What is the exact thermal conductivity rating of the thermal pad included with the R2?
- ⤷ Is this part compatible with M.2 22110 form factors?
- ⤷ Does the R2 revision include an integrated backplate for double-sided cooling?