The DS923+ 4-Bay NAS Enclosure from Synology is a capable solution that can be adjusted and expanded as your needs change, with faster networking, and two M.2 2280 NVMe PCIe 3.0 x4 SSD slots for caching or additional storage pools. The DS923+ is equipped with four drive bays that are capable of natively supporting 3.5" SATA III hard drives, as well as 2.5" SATA III hard drives and SSDs. | Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance. The DS923+ 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 2.6 GHz AMD Ryzen R1600 Dual-Core with a burst frequency of up to 3.1 GHz. | 16GB RAM DDR4 SDRAM. This NAS is capable of sequential read speeds up to 625 MB/s and sequential write speeds up to 559 MB/s. | Also featured are two USB-A 3.2 Gen 1 ports that allow it to be connected to external storage or other USB devices, an eSATA port for the DX517 expansion unit, and network connectivity is achieved via the dual integrated Gigabit Ethernet ports that support link aggregation and failover, allowing your stored data to be shared with users throughout the network. | In the Box: Synology DiskStation DS923+ 4-Bay NAS Enclosure, Accessory Pack X 1, AC Power Cord X 1, RJ-45 LAN Cable X 2, Quick Installation Guide X 1.