--Ships without a hard drive-- Versatile 4-bay storage solution with expandable capacity The Synology DS925neo+ is a high-performance 4-bay NAS solution that can adapt to growing storage needs . It supports up to nine drives with an expansion unit¹, two M.2 NVMe slots for caching², and built-in 2.5GbE. Powered by the Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for sharing, syncing, backing up, and monitoring data. Reliable Performance Sequential read/write speeds of up to 536/557 MB/s ensure stable data transfers Fast and Flexible Networking Two 2.5GbE ports provide fast network transfer rates and increased redundancy Versatile Network Storage Take advantage of built-in file and photo management, data protection, virtualization, and surveillance solutions Capacity Expansion Add 5 additional drive bays for up to 216 TB of storage with a DX525 expansion unit For optimal performance and full functionality, we recommend using only Synology hard drives. Hard drives from other manufacturers may have limited compatibility or may not be supported unless they are officially certified by Synology. Please refer to the attached data sheet for more information! Package Contents: