Description DS1525 key features : 5-bay NAS enclosure for high-performance and scalable storage Diskless design supports user-selected HDDs or SSDs Ideal for small to medium businesses and advanced home users Secure file sharing, backup, and remote access Powered by Synology DiskStation Manager (DSM) Supports RAID configurations for data redundancy Compact, quiet, and energy-efficient design Hardware Specifications CPU CPU Model AMD Ryzen V1500B CPU Quantity 1 CPU Core 4 CPU Architecture 64-bit CPU Frequency 2.2 GHz Hardware Encryption Engine Memory System Memory 8 GB DDR4 ECC SODIMM Memory Module Pre-installed 8 GB (8 GB x 1) Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier’s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations. Storage Drive Bays 5 Maximum Drive Bays with Expansion Unit 15 (DX525 x 2) M.2 Drive Slots 2 (NVMe) Drive Type (See all supported drives) 3.5″ SATA HDD 2.5″ SATA SSD M.2 2280 NVMe SSD DSM Specifications Storage Management Maximum Single Volume Size 200 TB (32 GB memory required) 108 TB Maximum Internal Volume Number 32 M.2 SSD Storage Pool Support* SSD Read/Write Cache (Determining cache size) SSD TRIM Supported RAID Type Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10 RAID Migration Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6 Volume Expansion with Larger HDDs Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10 Volume Expansion by Adding a HDD Synology Hybrid RAID JBOD RAID 5 RAID 6 Global Hot Spare Supported RAID Type Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10 1Status indicator 2Drive status indicators 3Drive tray lock 4USB 3.2 Gen 1 port 5Power button and indicator 6Drive trays 7Fans 82.5GbE RJ-45 ports 9Reset button 10USB 3.2 Gen 1 port 11Power port 12Network upgrade slot 13Expansion ports 14Kensington security slot 15M.2 NVMe SSD slots Show More Show Less
