Fast, out-of-the-box performance with customization options The DS1525+ features built-in 2.5GbE networking with 10GbE option 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 Expand capacity for evolving ...Fast, out-of-the-box performance with customization options The DS1525+ features built-in 2.5GbE networking with 10GbE option 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 Expand capacity for evolving needs Consolidate your data with up to 100 TB of raw storage across 5 bays. Need more space? Add capacity with two DX525 for up to 300 TB of total raw storage Store, share, and protect Manage all your documents, photos, and other files, back up applications and devices, or protect your assets with professional video surveillance.