Fast, out-of-the-box performance with 25GbE support The DS1825+ features built-in 2.5GbE networking and supports both SATA SSDs and HDDs in 2.5"/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use as cache.1,6 Its support for expansion cards allows configuration flexibility, supporting faster networking of up to 25GbE.4