Overview

Synology DiskStation DS1525+ 5-Bay NAS
Synology DiskStation DS1525+ is a versatile 5-bay NAS solution designed for small to medium businesses and professional users who require high performance, scalability, and robust data management. Powered by an AMD Ryzen V1500B quad-core CPU with 8GB DDR4 ECC memory, the DS1525+ delivers reliable performance for file storage, backups, surveillance, and collaborative workflows.

Description

The DS1525+ offers a scalable and high-speed storage solution with support for 5x 3.5" drives, 2x NVMe M.2 slots for caching, and multiple expansion options. Dual 2.5GbE LAN ports, 10GbE upgrade capability, and hot-swappable drives ensure flexible deployment and seamless expansion. Synology's intuitive DSM operating system simplifies file management, data protection, and collaboration across devices and locations.

Features

High-Capacity Storage with Expansion Options
The DS1525+ consolidates your data with up to 100 TB of raw storage across five drive bays. When additional capacity is needed, connect up to two DX525 expansion units to reach a total of 300 TB using 20 TB drives. This makes it ideal for businesses with growing storage demands.

• 5 drive bays support up to 100 TB
• Expansion with two DX525 units enables 300 TB total
• Hot-swappable drives for easy maintenance

Fast and Reliable Performance
Experience high-speed data transfers with two built-in 2.5GbE LAN ports and optional 10GbE networking. The system supports both SATA SSDs and HDDs, as well as M.2 NVMe drives for caching, achieving up to 1,181 MB/s read and 1,180 MB/s write speeds.

• Dual 2.5GbE ports for fast network access
• Optional 10GbE upgrade for even higher throughput
• M.2 NVMe cache slots enhance SSD performance

Centralized File Management and Collaboration
Easily manage, access, and share files across multiple devices with Synology DSM. Built-in tools support versioning, secure sharing, and seamless multi-platform synchronization, ensuring that teams stay productive wherever they are.

• Access files via mobile apps, desktop clients, or web interface
• Private cloud storage for photos, videos, and documents
• Real-time collaboration on documents and email hosting

Multi-Site Synchronization for Global Workflows
DS1525+ supports NAS-to-NAS syncing across multiple sites, enabling efficient collaboration and workflow alignment. Frequently used files are cached locally while less critical data can be stored in the cloud, reducing on-site storage needs.

• Automatic one- or two-way site synchronization
• Sync with major cloud providers like Dropbox, Google Drive, and OneDrive
• Maintain full control over data with client-side encryption

Comprehensive Backup and Recovery
Protect your critical data with centralized backup solutions for PCs, servers, VMs, and SaaS applications. Immutable snapshots and 3-2-1 backup strategies provide tamper-proof protection and quick recovery options.

• Automated backups for multiple devices
• Bare-metal recovery and cloud backup options
• Immutable snapshots and offsite replication for data safety

Smart Surveillance Capabilities
Manage and monitor security with Synology Surveillance Station, compatible with over 8,700 IP camera models. Dual recording to the cloud ensures your footage is protected even in case of on-premises system failures.

• Centralized management of live monitoring and playback
• End-to-end encrypted cloud backup for surveillance footage
• Scalable system supporting growing security needs

Virtualization and Testing Environment
Use the DS1525+ as a versatile testing platform with support for Docker containers and virtual machines. Virtual DSM allows isolated testing of packages and security settings without affecting production systems.

• Create dedicated test environments
• Support for Docker and virtual machines
• Safe isolation for system and application testing

Centralized Monitoring and Management
Monitor and manage your Synology servers from a single interface using the Central Management System and Active Insight cloud platform. Track performance, backup status, and login activity across all devices.

• Central console for fleet management
• Performance and backup monitoring via cloud
• Task delegation and batch updates

Optimized Hardware for Synology Systems
Synology drives are designed for compatibility and performance with DS1525+, ensuring consistent and reliable storage. Pair your NAS with Synology routers to maximize 2.5GbE connectivity, secure your network, and boost transfer speeds.

• Enterprise-grade HDD and SSD options
• Deep hardware-software integration for reliability
• Optional extended Warranty up to 5 years

Hardware Layout at a Glance

• Status and drive indicators
• USB 3.2 Gen 1 ports
• 2.5GbE LAN ports
• Drive tray locks and hot-swappable drives
• Expansion and M.2 NVMe slots
• Kensington security slot and network upgrade option

Why Synology
Trusted by professionals worldwide, Synology NAS solutions provide reliable performance, scalability, and ease of use. From small businesses to large enterprises, Synology systems deliver high value and efficient management of critical data.

Specifications

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Specifications
Product Code	DS1525+
CPU
CPU Model	AMD Ryzen V1500B
CPU Quantity	1
CPU Core	4
CPU Architecture	64-bit
CPU Frequency	2.2 GHz
Hardware Encryption Engine	Yes
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)
Storage
Drive Bays	5
Maximum Drive Bays with Expansion Unit	15 (DX525 x 2)
M.2 Drive Slots	2 (NVMe)
Drive Type	3.5" SATA HDD
	2.5" SATA SSD
	M.2 2280 NVMe SSD
Hot Swappable Drive	Yes
	The hot swappable drive feature is not supported by M.2 SSD slots.
External Ports
RJ-45 2.5GbE LAN Port	2
USB 3.2 Gen 1 Port	2
Expansion Port	2
Expansion Port Type	USB Type-C
PCIe
PCIe Expansion	1 x Gen3 x2 network upgrade slot
Appearance
Size (Height x Width x Depth)	166 mm x 230 mm x 223 mm
Weight	2.67 kg
Others
System Fan	92 mm x 92 mm x 2 pcs
	Full-Speed Mode
Fan Speed Mode	Cool Mode
	Quiet Mode
Brightness Adjustable Front LED Indicators	Yes
Power Recovery	Yes
Noise Level	22.60 dB(A)
Scheduled Power On / Off	Yes
Wake on LAN / WAN	Yes
Power Supply Unit / Adapter	120 watts
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption	44.56 watts (Access)
	13.63 watts (HDD Hibernation)
British Thermal Unit	151.95 BTU/hr (Access)
	46.48 BTU/hr (HDD Hibernation)
Temperature
Operating Temperature	0degreesC to 40degreesC (32degreesF to 104degreesF)
Storage Temperature	-20degreesC to 60degreesC (-5degreesF to 140degreesF)
Operating Humidity	8% to 80% RH
Storage Humidity	5% to 95% RH
Certification
Certification	FCC
	CE
	BSMI
	VCCI
	RCM
	UKCA
	EAC
	CCC
	KC
	BIS
Environment
Environment	RoHS Compliant
Packaging Content
Packaging Content	Main Unit X 1
	Accessory Pack X 1
	AC Power Adapter X 1
	AC Power Cord X 1
	RJ-45 LAN Cable X 2
Optional Accessories
Optional Accessories	DDR4 ECC SODIMM: D4ES03-8G/D4ES03-16G
	Expansion Units: DX525
	Enterprise Series 3.5" SATA HDD: HAT5300 Series
	Plus Series 3.5" SATA HDD: HAT3300 Series
	Enterprise Series 2.5" SATA SSD: SAT5200 Series
	Enterprise Series M.2 2280 NVMe SSD: SNV3400 & SNV5400 Series
	10GbE Network Upgrade Module: E10G22-T1-Mini