Synology M2D20 is a M.2 NVMe SSD adapter card designed to supercharge your NAS I/O performance. The multi-queue capability of the NVMe SSD greatly benefits latency-sensitive applications,such as photo indexing,file search,and virtualization deployments. Accelerate random I/O performance with the dual M.2 2280/22110 NVMe SSD slots Free up primary drive bays for data storage Upgrade your existing storage infrastructure efficiently