2 x 3.5/2.5" SATA HDD/SSD Drive Bays, 1.7 GHz Realtek RTD1619B Quad-Core, 1GB of DDR4 RAM, 1 x Gigabit Ethernet Port, 2 x USB-A 3.2 Gen 1 Ports, RAID 0, 1, Basic, Hybrid, and JBOD. Designed as an efficient one-stop solution for all your data storage needs the DiskStation DS223j 2-Bay NAS Enclosure from Synology lets you create a private cloud to protect your files share your data across several devices store security footage with intelligent video surveillance tools and more. It is equipped with two drive bays that are capable of natively supporting 3.5 SATA hard drives as well as 2.5 SATA hard drives and SSDs. The DiskStation DS223j runs on Synology DiskStation Manager (DSM) OS which is a browser-based operating system that helps to simplify managing your Synology NAS. Its CPU is a 1.7 GHz Realtek RTD1619B Quad-Core and its 1GB of DDR4 RAM allows frequently-used files and applications to be quickly accessed. Also featured are two USB-A 3.2 Gen 1 ports that allow it to be connected to external drives or other peripherals and network connectivity is achieved via the integrated Gigabit Ethernet port allowing your stored data to be shared with users throughout the network. The DS223j is also able to function as a multimedia solution for management streaming and playback. For those who require RAID support the DS223j supports RAID 0 and 1 as well Synology Hybrid RAID and Basic RAID each of which offers performance data redundancy or a combination of both. For those who do not require a RAID JBOD is also available allowing each drive bay to be individually utilized. A 92 x 92mm fan helps keep the system running cool at all times and the server supports numerous scheduled power on / off cycles and hard drive hibernation to further minimize power consumption and operation expenses. The Synology DiskStation DS223j 2-Bay NAS Enclosure operates on 100-240 VAC at 50/60 Hz and includes an accessory pack an AC power adapter an AC power cord and an RJ45 LAN cable.