Synology M2D18 Dual M.2 SSD Adapter Card – M2D18
Product Overview
The Synology M2D18 is a dual-M.2 SSD adapter card engineered to supercharge NAS I/O performance by significantly reducing random I/O latency. It supports both SATA and NVMe SSDs in 2280, 2260, and 2242 form factors, and includes an attachable heatsink to maintain system stability under heavy load.
Key Features
- Dual M-Key slots for SATA and NVMe SSDs, enabling flexible cache configurations and preserving primary drive bays for data storage.
- Attachable aluminum heatsink accelerates thermal dissipation, preventing throttle-back during intensive operations.
- Endurance-oriented design: recommended use of high-endurance SSDs for mission-critical, I/O-intensive workloads.
- Broad NAS compatibility across Synology FS, RS, and DS series (models listed in specifications).
- PCIe 2.0 x8 host interface with support for full-height and low-profile brackets.
- Operating range from 0 °C to 40 °C and storage range from –20 °C to 60 °C, at 5 %–95 % relative humidity.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | M2D18 |
| Form Factor | PCIe 2.0 x8 adapter card |
| M.2 Slots | 2 × M-Key, dual support for NVMe and SATA |
| Supported SSD Sizes | 2280, 2260, 2242 |
| Heatsink | Included, attachable |
| Host Interface | PCIe 2.0 x8 |
| Bracket Options | Full-height and low-profile |
| Compatible NAS Series | FS1018; RS820/RS820RP+; DS1819+; DS2419+/DS2419BII; RS3618xs; RS818/RS818RP+; RS3617xs; DS1517+; and more |
| Operating Temperature | 0 °C to 40 °C |
| Storage Temperature | –20 °C to 60 °C |
| Relative Humidity | 5 % to 95 % RH |
| Dimensions (L × W × H) | 180 × 70 × 18 mm (7.16 × 2.82 × 0.62 in) |
| Weight | 0.19 lb (3.04 oz) |
| Country of Origin | Taiwan |
| Warranty | See purchase receipt |
Performance & Thermal Management
By leveraging dual M.2 slots for cache acceleration, the M2D18 dramatically lowers I/O latency—benefiting applications such as photo indexing, file search, and virtualization. The attachable heatsink keeps SSD temperatures in check, ensuring consistent throughput and preventing performance degradation under sustained load.
Compatibility
Fully validated for seamless integration with Synology DiskStation Manager (DSM). Automatic cache drive detection, health monitoring, and firmware support are managed directly through DSM, enabling plug-and-play deployment across a wide range of Synology NAS platforms.
Use Cases
- Boosting database query and virtualization performance on enterprise NAS deployments
- Accelerating multimedia streaming for large photo, video, and creative asset libraries
- Enhancing backup and file-search speeds in SMB environments
- Improving frame-buffer stability for surveillance storage applications
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