This is an expansion card that is installed inside the Synology NAS device, and its function is to: • Install 2 M.2 NVMe SSDs • Make the device much faster in: • File transfer • Opening data • Running the server or system 🔹 These SSDs are used as Cache Which means they speed up regular hard drives (HDD) and do not have to be used for primary storage. 🔹 It cannot be installed in a regular computer It must be a compatible Synology NAS device 500 SAR