Synology DS1525+ 5-Bay NAS DiskStation Network Storage

Synology DS1525+ 5-Bay NAS DiskStation for Business and Home Office

The Synology DS1525+ is a versatile 5-bay NAS powered by the AMD Ryzen V1500B quad-core processor and 8GB DDR4 ECC RAM, delivering over 1,181 MB/s sequential read speeds, dual built-in 2.5GbE networking, and expandable capacity up to 300TB with optional expansion units.

Ideal for small-to-medium businesses, creative professionals, and IT administrators seeking a centralized data hub for file sharing, multi-site synchronization, endpoint backup across multiple workstations, surveillance management for up to 40 IP cameras, and virtualization workloads via VMware, Hyper-V, or Citrix.

Backed by Synology's trusted DiskStation Manager (DSM) operating system, FCC, CE, RoHS, and multiple international certifications, and a comprehensive manufacturer warranty, the DS1525+ is engineered for reliability, data integrity, and long-term scalability within the Synology ecosystem.

Key Features of the Synology DS1525+

• Expandable 5-Bay Storage: Supports up to 300TB raw capacity by adding two Synology DX525 expansion units for a total of 15 drive bays, scaling effortlessly as your storage needs grow.
• High-Speed Dual 2.5GbE Networking: Built-in dual 2.5GbE LAN ports deliver over 1,181/1,180 MB/s sequential read/write throughput, with an optional 10GbE upgrade via the PCIe Gen3 x2 network slot.
• AMD Ryzen V1500B Quad-Core Processor: A 2.2GHz 64-bit CPU with hardware encryption engine ensures fast, secure data access and smooth multitasking across multiple services simultaneously.
• Error-Correcting ECC Memory: 8GB DDR4 ECC SODIMM (expandable to 32GB) protects data integrity by detecting and correcting memory errors, critical for business-grade NAS workloads.
• Flexible Drive Compatibility: Accepts 3.5 inch SATA HDDs, 2.5 inch SATA SSDs, and M.2 2280 NVMe SSDs in dedicated slots for SSD caching, with hot-swappable bays for zero-downtime drive replacement.
• Versatile Application Support: Run Synology Surveillance Station for up to 40 IP cameras, Hyper Backup for full system backup, Active Backup for endpoint protection, and Hybrid Share for cloud-integrated file access.
• Comprehensive RAID Options: Supports Synology Hybrid RAID, RAID 0/1/5/6/10, JBOD, and Basic configurations with online RAID migration and volume expansion without downtime.
• Whisper-Quiet Operation: Dual 92mm fans with selectable Full-Speed, Cool, and Quiet modes keep noise as low as 22.6 dB(A), making it suitable for office or desktop environments.

Technical Specifications

• CPU Model: AMD Ryzen V1500B
• CPU Cores / Threads: 4 cores / 8 threads
• CPU Frequency: 2.2 GHz
• CPU Architecture: 64-bit
• Hardware Encryption Engine: Yes
• System Memory: 8 GB DDR4 ECC SODIMM
• Memory Slots: 2
• Maximum Memory: 32 GB (2 x 16 GB)
• Drive Bays: 5
• Maximum Drive Bays (with Expansion): 15 (2 x DX525)
• M.2 Drive Slots: 2 x NVMe
• Supported Drive Types: 3.5 inch SATA HDD, 2.5 inch SATA SSD, M.2 2280 NVMe SSD
• Hot Swappable: Yes (internal bays; not M.2 slots)
• LAN Ports: 2 x RJ-45 2.5GbE
• USB Ports: 2 x USB 3.2 Gen 1
• Expansion Ports: 2 x USB Type-C
• PCIe Expansion: 1 x Gen3 x2 network upgrade slot
• Sequential Read / Write: Over 1,181 / 1,180 MB/s
• Maximum Single Volume Size: 200 TB (requires 32 GB RAM) / 108 TB (standard)
• Maximum Internal Volumes: 32
• Supported RAID Types: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
• File Systems (Internal): Btrfs, ext4
• File Protocols: SMB, AFP, NFS, FTP, WebDAV, Rsync
• Virtualization: VMware vSphere (ESXi 6.5-8.0), Microsoft Hyper-V (Windows Server 2022), Citrix XenServer 8, OpenStack Cinder
• System Fan: 92 mm x 92 mm x 2
• Noise Level: 22.60 dB(A)
• Power Supply: 120W adapter
• Power Consumption (Access): 44.56W
• Power Consumption (HDD Hibernation): 13.63W
• AC Input Voltage: 100V to 240V AC, 50/60 Hz
• Operating Temperature: 0 to 40 degrees C (32 to 104 degrees F)
• Operating Humidity: 8% to 80% RH
• Certifications: FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS, RoHS
• Wake on LAN / WAN: Yes
• Scheduled Power On/Off: Yes
• Maximum Local User Accounts: 1,024
• Maximum Shared Folders: 256
• Syslog Events per Second: 800

What's Included

• Synology DS1525+ Main Unit x1
• Accessory Pack x1
• AC Power Adapter x1
• AC Power Cord x1
• RJ-45 LAN Cable x2