The Synology M2D20 is an M.2 NVMe SSD adapter card designed to increase I/O performance for applications that are sensitive to latency, such as virtualization, file searching, and photo indexing. It connects via a PCIe Gen3 x8 interface and provides two slots for NVMe SSDs with a 22110 form factor. This black adapter measures 71.75 x 181.9 x 15.8 mm and is built to operate reliably in environments with temperatures between 0°C and 40°C and relative humidity from 5% to 95%. It is a practical choice for users looking to accelerate their system's responsiveness by adding high-speed flash storage.