Designed for home users' data backup, file syncing, and file sharing, the DiskStation DS420j 4-Bay NAS Enclosure from Synology supports various networking protocols, multiple RAID configurations, and many add-on packages, thus enabling cross-platform file synchronization and sharing on a private cloud. It will also let you centralize your multimedia collections and comes equipped with four drive bays that can support both 3.5" and 2.5" SATA hard drives and solid-state drives. The DS420j runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system which helps to simplify managing your Synology NAS. Its CPU is a 1.4 GHz Realtek RTD1296 Quad-Core that runs in 64-bit mode and its 1GB of DDR4 RAM allows frequently-used files and applications to be quickly accessed. The NAS can achieve encrypted read and write speeds of over 112 MB/s and features two USB 3.0 Type-A ports, both of which allow it to be connected to your Windows or Mac system, and internet connectivity is achieved using the Gigabit Ethernet port. Using the integrated media server on the DS420j, you can stream digital multimedia content from the DiskStation to media d model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : NAS