Synology 4-Bay NAS DiskStation DS923+

Reliable performance
Sequential read/write rates up to 625/559MB/s for faster and more efficient file operations
Multifunctional web storage space
Built-in file and photo management, data protection, virtualization, surveillance solutions
Fast and stable connection ability
Equipped with two 1GbE network ports, it can be easily integrated with the existing environment by adding a 10GbE connection to handle more specialized applications with high-speed transmission requirements
Easy to expand capacity
With a DX517 expansion unit, it can expand up to 5 additional hard disk slots, supporting up to 9 storage hard disks