Synology 4-Bay DiskStation DS923+ (Diskless) & Network Upgrade Module adds 1x 10GbE RJ-45

• Product 1: Up to 625/559 MB/s sequential read/write throughput makes file operations quick and efficient Product 1: Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions Product 1: Two 1GbE ports for simple integration into existing environments with optional 10GbE connectivity to tackle more specialized, bandwidth-heavy applications Product 1: Add 5 extra drive bays with one DX517 expansion unit for a maximum of 9 storage drives Product 2: With Surveillance Station Centralized Management System (CMS), several to hundreds of Synology Deep Learning NVR and NAS devices can be managed, operated, updated, and protected from a central management server. Product 2: Supports 10/5/2.5/1GbE connections to work with nearly any RJ-45 network environment Product 2: Designed for maximum performance and reliability in Synology systems