The DiskStation DS425+ 4-Bay NAS Enclosure from Synology is a capable performer with tools to help you secure, back up, and sync your data and media. Built-in solutions available in Synology's DiskStation Manager (DSM) OS let users create their own private cloud, organize and stream music, video, and photo collections across all devices, seamlessly collaborate with partners, set up an intuitive surveillance system, and more. The DS425+ is equipped with four drive bays that are capable of natively supporting 3.5" SATA hard drives as well as 2.5" SATA hard drives and SSDs. Performance may be boosted via dual M.2 2280 slots, which may be used to create an NVMe cache.