Synology M2D20 interface cards/adapter Internal PCIe

Output interface: PCIe | Operating temperature (T-T): 0 - 40 °C | Expansion card standard: PCIe 3.0 | Depth: 15.8 mm | Internal: Yes | Width: 181.9 mm | Height: 71.8 mm | Operating relative humidity (H-H): 5 - 95% | Storage temperature (T-T): -20 - 60 °C | Harmonized System (HS) code: 84733020 | Host interface: PCIe | NVMe: Yes | Storage relative humidity (H-H): 5 - 95% | Expansion card form factor: Full-height / Low-profile