Synology DS925+ 4-Bay Plus Series (Diskless)

2.5GbE connectivity and diverse storage options The DS925+ features built-in 2.5GbE networking and supports both SATA flash drives and HDDs in 2.5"/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use as either cache or storage pools. Expand capacity for evolving needs Consolidate your data with up to 80 TB of raw storage across 4 bays. Need more space? Add capacity with the DX525 for up to 180 TB of total raw storage Store, share, and protect Manage all your documents, photos, and other files, back up applications and devices, and protect your assets with professional video surveillance.