Synology M2D20, Dual-slot M.2 SSD adapter card

Synology M2D20 Dual-slot M.2 SSD adapter card for cache acceleration Host Bus Interface: PCIe 3.0×8 Size (Height x Width x Depth): 71.75 mm x 181.9 mm x 15.8 mm Supported Form Factor: 22110 2280 PCIe NVMe Connector Type and Quantity: M-key, 2 Slots