Synology DiskStation DS1525 5-Bay NAS – Dual 2.5GbE, 10GbE Ready, 300TB Expandable

Synology DiskStation DS1525 5-Bay NAS 2.5GbE 300TB - PCBoost Synology DiskStation DS1525 – Professional 5-Bay NAS with Dual 2.5GbE & 10GbE Ready Empower your business with the Synology DiskStation DS1525 , a versatile all-purpose data hub engineered for professionals across all industries. This powerful 5-bay NAS delivers exceptional performance with dual built-in 2.5GbE ports, optional 10GbE upgrade, and impressive sequential speeds up to 1,181/1,180 MB/s. Moreover, with expandability up to 300 TB using DX525 expansion units, M.2 NVMe cache support, and comprehensive backup and surveillance capabilities, the DS1525 provides enterprise-grade functionality in a compact, professional package perfect for small to medium businesses, creative professionals, and IT infrastructure. 5-Bay Expandable Dual 2.5GbE 10GbE Ready 300TB Capacity 1,181 MB/s M.2 NVMe Cache ⚡ High-Speed Dual 2.5GbE Networking Experience blazing-fast data transfer speeds up to 1,181 MB/s read and 1,180 MB/s write with dual built-in 2.5 Gigabit Ethernet ports, plus optional 10GbE upgrade for ultimate performance �� Massive 300TB Expandable Storage Start with 100 TB across 5 bays and seamlessly expand to 300 TB total capacity by connecting two DX525 expansion units for growing data requirements �� M.2 NVMe SSD Cache Acceleration Boost system responsiveness and IOPS performance with two M.2 NVMe slots dedicated for SSD caching, perfect for database and virtualization workloads �� Comprehensive Backup & Surveillance Protect your business with enterprise backup solutions supporting PCs, servers, VMs, and cloud apps, plus professional surveillance for up to 40 IP cameras Outstanding Performance for Professional Workflows Lightning-Fast Network Performance Out of the Box The DS1525 delivers exceptional throughput with dual built-in 2.5 Gigabit Ethernet ports providing up to 1,181 MB/s read and 1,180 MB/s write speeds right out of the box. Furthermore, for organizations requiring even higher bandwidth, the optional 10GbE network upgrade card enables truly enterprise-class connectivity. Additionally, this flexible networking architecture ensures the DS1525 can adapt to your current infrastructure while providing a clear upgrade path as network demands increase. Therefore, whether you're transferring large video files, hosting virtual machines, or running demanding database applications, the DS1525 delivers the network performance needed for professional workflows. M.2 NVMe Cache for Accelerated Performance Maximize system responsiveness with two dedicated M.2 NVMe SSD slots designed specifically for read/write caching. Moreover, by intelligently caching frequently accessed data on lightning-fast NVMe drives, the DS1525 dramatically improves IOPS performance and reduces latency for demanding applications. Additionally, this caching technology is particularly beneficial for database servers, virtualization hosts, and multi-user environments where quick access to hot data is critical. Furthermore, the M.2 slots support standard 2280 form factor drives, providing flexibility in cache configuration to match your specific performance requirements. Versatile Drive Support for Flexible Deployment Deploy the perfect storage configuration with comprehensive support for both 2.5" and 3.5" SATA drives, including HDDs and SSDs. This versatility allows you to optimize the DS1525 for different use cases – choose high-capacity HDDs for cost-effective bulk storage, enterprise SSDs for maximum performance, or create hybrid configurations that balance capacity and speed. Moreover, all drive bays feature tool-less installation for quick and easy drive replacement, while hot-swappable capability ensures you can service drives without system downtime. Additionally, the DS1525 is fully compatible with Synology's enterprise-grade hard drives and SSDs, which are specifically optimized for NAS environments with enhanced reliability and performance. Trusted by Fortune 500 Companies Join over half of Fortune 500 companies who rely on Synology solutions for their critical data infrastructure needs. The DS1525 delivers enterprise-grade reliability, comprehensive data protection, and professional-level management tools trusted by organizations worldwide. Furthermore, with Synology's proven track record of hardware reliability, regular DSM software updates, and comprehensive security features, the DS1525 provides the dependability that businesses require for mission-critical applications and sensitive data storage. Massive Expandability for Growing Data Requirements Base Capacity 100 TB 5 bays with 20TB drives Maximum Capacity 300 TB 15 total bays expanded Read Speed 1,181 MB/s Sequential performance Write Speed 1,180 MB/s Sequential performance Network Ports 2 x 2.5GbE Built-in connectivity Cache Slots 2 x M.2 NVMe acceleration Begin with substantial 100 TB raw capacity across the 5 internal drive bays, providing ample space for business files, multimedia content, and critical databases. Moreover, as your data grows, seamlessly expand to 300 TB total capacity by connecting up to two DX525 expansion units via high-speed eSATA connections. Additionally, this modular expansion approach allows you to scale storage incrementally as needs evolve, avoiding costly forklift upgrades and maintaining your initial investment. Furthermore, the expansion units integrate transparently with DSM, appearing as additional storage that can be incorporated into existing volumes or configured as separate storage pools for different purposes. Private Cloud Platform for Complete Data Control Seamless Cross-Platform File Sync and Share Transform the DS1525 into your private cloud storage solution with Synology Drive for secure file access from anywhere. Unlike public cloud services, you maintain complete control over your data while enjoying similar convenience. Moreover, Synology Drive provides native applications for Windows, macOS, Linux, iOS, and Android, ensuring seamless access across all devices. Additionally, real-time file synchronization keeps your data consistent across multiple endpoints, while selective sync options allow users to optimize local storage. Furthermore, comprehensive version control automatically tracks changes and enables quick recovery from accidental modifications or deletions, providing an essential safety net for critical business files. Professional Photo Management and Organization Centralize your visual assets with Synology Photos offering intelligent photo management, AI-powered organization, and secure sharing. Automatically organize photos by date, location, or subject using advanced recognition algorithms. Moreover, create albums, apply tags, and quickly locate specific images through powerful search capabilities. Additionally, the mobile apps provide automatic camera upload, ensuring photos from smartphones and tablets are instantly backed up to your secure NAS storage. Furthermore, generate secure share links with optional password protection and expiration dates, perfect for sharing proofs with clients or collaborating with team members on visual projects. Collaborative Productivity Suite Enhance team productivity with Synology Office, Drive, MailPlus, Calendar, and Chat for comprehensive collaboration. Create, edit, and share documents in real-time using Synology Office, which provides Word, Excel, and PowerPoint compatibility. Moreover, host your own mail server with MailPlus for complete control over business communications while ensuring data privacy. Additionally, coordinate schedules with Calendar and maintain team connectivity through Chat's secure messaging platform. Furthermore, all these applications integrate seamlessly with Synology Drive, ensuring files remain synchronized and accessible across all collaboration tools, creating a unified productivity ecosystem under your complete control. Multi-Site Synchronization for Global Teams Keep distributed teams aligned with automated NAS-to-NAS synchronization and hybrid cloud solutions. Configure one-way or two-way synchronization between DS1525 units at different locations, ensuring critical data remains consistent across your organization. Moreover, leverage Synology's C2 Storage hybrid cloud solution to cache frequently accessed files locally while storing less-used data in the cloud, optimizing both performance and storage costs. Additionally, support for major cloud providers including Backblaze B2, Dropbox, Google Drive, and Microsoft OneDrive enables flexible integration with existing cloud infrastructure. Furthermore, client-side encryption and customizable bandwidth controls ensure secure, efficient data transfer that doesn't impact business operations. Comprehensive Enterprise Backup Solutions Complete Data Protection Ecosystem Safeguard your entire IT infrastructure with comprehensive backup solutions designed specifically for business continuity and disaster recovery scenarios. �� Active Backup for Business Centralized backup for Windows PCs, servers, virtual machines, and file servers with instant recovery capabilities �� Microsoft 365 & Google Workspace Backup Protect cloud-based email, documents, contacts, and calendars with automated SaaS backup �� Mobile & Endpoint Protection Automatic backup of smartphones, tablets, and laptops through Synology Drive mobile apps Consolidate all backup operations on the DS1525 with Active Backup for Business, eliminating the need for multiple backup solutions and third-party licensing fees. Moreover, this comprehensive platform supports Windows PCs, Windows Servers, Linux servers, VMware vSphere, Microsoft Hyper-V, and file servers, providing unified protection across heterogeneous environments. Additionally, granular recovery options enable restoration of individual files, complete systems, or instant virtual machine boot-up for critical servers. Furthermore, built-in deduplication and compression significantly reduce storage requirements while multi-version retention policies provide flexible point-in-time recovery options. Immutable Snapshots for Ransomware Protection Defend against ransomware and accidental deletion with automated immutable snapshots that create tamper-proof recovery points. Snapshots capture the complete state of shared folders and iSCSI LUNs at specific moments, enabling instant rollback to known-good states. Moreover, because snapshots use Btrfs copy-on-write technology, they consume minimal storage space by only recording changes. Additionally, offsite snapshot replication to remote Synology NAS units or cloud storage ensures protection even if the primary system is compromised. Furthermore, flexible retention policies automatically manage snapshot lifecycles, balancing comprehensive protection with storage efficiency. Flexible 3-2-1 Backup Strategy Implementation Implement industry-standard backup best practices with comprehensive support for local, remote, and cloud backup destinations. The DS1525 facilitates proper 3-2-1 backup strategies by supporting multiple backup targets including local storage, remote Synology NAS units, external USB drives, and major cloud providers. Moreover, Hyper Backup provides scheduled backup jobs with encryption, versioning, and incremental backup support to minimize bandwidth usage. Additionally, integration with Synology C2 Storage cloud backup service ensures off-site protection with competitive pricing and seamless integration into DSM's management interface. Professional Video Surveillance System Enterprise-Grade Surveillance Station Transform the DS1525 into a professional video management system supporting up to 40 IP camera licenses with centralized monitoring and recording. Surveillance Station provides compatibility with over 8,700 IP camera models from leading manufacturers, ensuring flexibility in camera selection. Moreover, the intuitive interface enables real-time monitoring across multiple cameras with configurable layouts, while advanced features include motion detection, smart analytics, and intelligent recording schedules that optimize storage usage. Additionally, remote access through web browsers and mobile apps allows security monitoring from anywhere, while dual recording to cloud storage provides additional protection for critical footage. Advanced Analytics and Cloud Backup Leverage intelligent video analytics including motion detection, intrusion prevention, and facial recognition to enhance security monitoring capabilities. Moreover, these smart features reduce false alarms and enable proactive security responses by distinguishing between routine activity and genuine threats. Additionally, configurable action rules can trigger automated responses such as email notifications, push alerts, or integration with external systems. Furthermore, secure cloud backup of surveillance footage to Synology C2 Surveillance ensures critical recordings remain accessible even if on-premises equipment is damaged or stolen, providing an essential layer of protection for forensic evidence. Virtualization and Application Platform Deploy a versatile testing and development environment with comprehensive support for Docker containers, virtual machines, and Virtual DSM instances. Docker integration allows deployment of thousands of containerized applications from the Docker Hub repository, enabling rapid application testing and deployment without complex configurations. Moreover, Virtual Machine Manager supports Windows, Linux, and other x86-based operating systems, perfect for development environments or running specific applications in isolated environments. Additionally, Virtual DSM provides complete DSM installations within virtual machines, ideal for testing packages, evaluating new features, or creating isolated environments for specific projects. Furthermore, this versatility makes the DS1525 an excellent platform for developers, IT professionals, and organizations requiring flexible application deployment options. Centralized Fleet Management Central Management System for Multi-Site Control Simplify administration of multiple Synology NAS units with Central Management System providing unified console for fleet management. Deploy group policies, delegate administrative tasks, perform batch updates, and monitor system health across your entire Synology infrastructure from a single interface. Moreover, CMS supports both on-premises and cloud-based management, providing flexibility for different organizational structures. Additionally, role-based access control ensures appropriate administrative privileges while comprehensive logging provides audit trails for compliance requirements. Active Insight Cloud Monitoring Gain visibility into your global Synology fleet with Active Insight cloud-based monitoring service tracking performance, backup status, and security events. This powerful analytics platform provides proactive alerts for potential issues before they impact operations. Moreover, comprehensive dashboards visualize system health, storage utilization, and service status across all managed devices. Additionally, login activity monitoring and security event correlation enhance security posture by identifying unusual patterns that may indicate threats. Furthermore, Active Insight's cloud-based architecture ensures monitoring continues even if individual devices lose connectivity, maintaining oversight of distributed infrastructure. Optimized Performance with Synology Drives Maximize the DS1525 's potential with Synology-branded hard drives and SSDs engineered specifically for NAS environments. These drives undergo rigorous compatibility testing and validation with DSM to ensure optimal performance, reliability, and integration with Synology's hardware and software ecosystem. Moreover, Synology drives feature enhanced firmware optimized for NAS workloads including 24/7 operation, vibration tolerance in multi-drive configurations, and advanced error recovery capabilities. Additionally, deep hardware-software integration enables advanced features such as drive health monitoring, predictive failure analysis, and automated alerting through DSM's storage management interface. Enterprise Series HDD Plus Series HDD Enterprise SATA SSD Enterprise NVMe SSD 3.5" SATA Drives 2.5" SATA Drives M.2 2280 NVMe Synology Enterprise Series for Mission-Critical Deployments Deploy Synology Enterprise drives for maximum reliability in business-critical applications requiring 24/7 uptime. These drives feature enhanced durability specifications, extended warranties, and higher mean time between failures (MTBF) ratings compared to consumer drives. Moreover, enterprise-class firmware includes advanced error correction, vibration compensation for multi-drive arrays, and power loss protection features. Additionally, Synology Enterprise SSDs utilize premium NAND flash with overprovisioning and wear-leveling algorithms specifically tuned for mixed read/write NAS workloads, ensuring sustained performance over the drive's lifetime. Synology Plus Series for Cost-Effective Performance Achieve excellent price-performance with Synology Plus series drives designed for home offices and small businesses. While more affordable than Enterprise models, Plus drives still feature NAS-optimized firmware, compatibility validation, and Synology's quality standards. Moreover, these drives balance capacity and cost-effectiveness, making them ideal for file servers, media libraries, and general-purpose storage applications. Additionally, comprehensive integration with DSM's storage management features ensures reliable operation and easy monitoring even with value-oriented drive selections. Hardware Overview Front Panel Features System status indicator for health monitoring Individual drive status LEDs for each bay Secure drive tray locks Front-accessible USB 3.2 Gen 1 port Power button with illuminated indicator Rear Panel Connectivity Five hot-swappable drive bays Dual 92mm fans for thermal management Two 2.5 Gigabit Ethernet RJ-45 ports System reset button Rear USB 3.2 Gen 1 port Power input connector 10GbE network upgrade slot Two eSATA expansion ports Kensington security slot Internal Components Two M.2 2280 NVMe SSD cache slots Tool-less drive tray design Support for 2.5" and 3.5" SATA drives Optimized cooling airflow architecture Complete Hardware Specifications Component Specification CPU AMD Ryzen V1500B quad-core processor, 2.2 GHz, 64-bit architectureHardware encryption engine included System RAM 8 GB DDR4 ECC SODIMM (pre-installed)2 memory slots supporting up to 32 GB maximum (16 GB x 2)Synology memory modules recommended for optimal compatibility Internal Storage 5 x 3.5"/2.5" SATA HDD/SSD bays (hot-swappable)Expandable to 15 total bays with 2 x DX525 expansion units Cache Storage 2 x M.2 2280 NVMe SSD slots for read/write cachingNot hot-swappable Raw Storage 100 TB internal (20 TB drives x 5)300 TB total with expansion (20 TB drives x 15) Connectivity 2 x 2.5 Gigabit Ethernet (RJ-45) ports1 x PCIe Gen3 x2 network upgrade slot for 10GbE (E10G22-T1-Mini sold separately) Connectivity Options 2 x USB 3.2 Gen 1 Type-A ports (5 Gbps)2 x eSATA expansion ports for DX525 units Thermal Management 2 x 92mm fans with smart fan controlThree modes: Full-Speed, Cool Mode, Quiet Mode Power Requirements 120W external adapterAC Input: 100-240V, 50/60Hz single phasePower consumption: 44.56W (access), 13.63W (HDD hibernation)BTU: 151.95 BTU/hr (access), 46.48 BTU/hr (hibernation) Physical Size 166mm (H) x 230mm (W) x 223mm (D)6.5" x 9.1" x 8.8" Unit Weight 2.67 kg (5.9 lbs) without drives Acoustic Performance 22.60 dB(A) typical operationTested at 1m distance in idle state Environmental Range Operating: 0°C to 40°C (32°F to 104°F)Storage: -20°C to 60°C (-5°F to 140°F) Humidity Range Operating: 8% to 80% RHStorage: 5% to 95% RH LED Indicators System status indicator5 x drive status indicatorsAdjustable brightness settings System Functions Power recovery supportScheduled power on/offWake on LAN/WAN capability Compliance FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BISRoHS compliant Coverage 3-year limited hardware warrantyExtendable to 5 years with Extended Warranty Plus(Available in Europe and North America only) View Complete Official Specifications Enhanced Network Performance with Synology Router Maximize your investment in 2.5GbE networking by pairing the DS1525 with Synology RT6600ax or WRX560 routers for end-to-end high-speed connectivity. These advanced routers feature multiple 2.5GbE and 10GbE ports, eliminating network bottlenecks and enabling the DS1525 to deliver full performance to connected clients. Moreover, Synology routers share DSM's intuitive interface, making network configuration and management familiar for existing Synology users. Additionally, integrated security features including VLAN segmentation, advanced threat prevention, and comprehensive web filtering protect your network infrastructure. Furthermore, seamless integration between Synology NAS and router products enables advanced features such as automatic VPN configuration for secure remote access and optimized QoS policies for storage traffic. Extended Warranty Plus Protection Protect your investment and ensure business continuity with Extended Warranty Plus adding two additional years to the standard three-year warranty. This premium service extends hardware coverage to five total years, significantly reducing long-term ownership costs and providing peace of mind for business-critical deployments. Moreover, Extended Warranty Plus includes priority technical support with expedited response times and advanced replacement service that ships replacement hardware before returning failed components, minimizing downtime. Additionally, the comprehensive coverage protects against hardware failures, manufacturing defects, and includes parts and labor for repairs, ensuring predictable support costs throughout the extended warranty period. Professional Data Hub for Modern Business The Synology DiskStation DS1525 represents the ideal convergence of performance, capacity, and versatility for organizations requiring professional-grade data management. With exceptional 2.5GbE networking, optional 10GbE expansion, massive 300 TB scalability, comprehensive backup and surveillance capabilities, and the trusted DSM platform, the DS1525 delivers enterprise functionality without enterprise complexity or cost. Whether you're consolidating departmental storage, protecting critical business data, hosting development environments, or managing surveillance systems, the DS1525 provides the foundation for reliable, secure, and scalable data infrastructure. Ideal Business Applications Small to Medium Business File Server Perfect for SMBs requiring centralized file storage with advanced features typically found only in enterprise systems. The DS1525 provides private cloud capabilities, comprehensive backup solutions, and professional surveillance without the complexity or cost of traditional enterprise storage. Moreover, the intuitive DSM interface ensures IT teams can manage the system efficiently without specialized storage expertise. Creative Studio & Post-Production Ideal for video production houses, photography studios, and design agencies handling large media files. The high-speed 2.5GbE connectivity enables multiple editors to work simultaneously from shared storage, while the 300 TB expansion capacity accommodates growing media libraries. Additionally, M.2 NVMe caching accelerates project file access for responsive editing workflows. Professional Surveillance System Excellent platform for comprehensive security monitoring supporting up to 40 IP cameras. The substantial storage capacity enables extended recording retention, while advanced analytics provide intelligent monitoring capabilities. Furthermore, dual recording to cloud backup ensures footage remains accessible even if on-premises equipment is compromised. Development & Testing Environment Perfect for software development teams requiring flexible testing platforms. Docker support enables rapid deployment of development environments, while Virtual Machine Manager provides isolated operating system instances for testing. Additionally, Virtual DSM allows safe evaluation of packages and system configurations without affecting production systems. Branch Office Data Hub Ideal solution for distributed organizations requiring local storage at branch locations. Automated synchronization keeps critical data consistent across sites, while comprehensive backup capabilities protect against data loss. Moreover, centralized management through Active Insight enables IT teams to monitor and manage distributed infrastructure efficiently. Backup & Disaster Recovery System Excellent platform for comprehensive backup consolidation protecting PCs, servers, VMs, and cloud applications. The DS1525 eliminates separate backup solutions through Active Backup for Business, while immutable snapshots provide ransomware protection. Additionally, flexible backup destinations support proper 3-2-1 backup strategies for robust disaster recovery. Package Contents Synology DiskStation DS1525 NAS unit 120W external power adapter with AC power cord RJ-45 Ethernet cables (2 pieces) Five hot-swappable drive trays with mounting hardware Quick installation guide and accessory pack Optional Accessories DDR4 ECC SODIMM memory: D4ES03-8G (8GB) / D4ES03-16G (16GB) DX525 expansion units for additional storage capacity Synology HAT5300 Series Enterprise 3.5" SATA HDDs Synology HAT3300 Series Plus 3.5" SATA HDDs Synology SAT5200 Series Enterprise 2.5" SATA SSDs Synology SNV3400 & SNV5400 Series Enterprise M.2 NVMe SSDs E10G22-T1-Mini 10GbE network upgrade module Build Your Complete Data Infrastructure Network Attached Storage NAS Hard Drives M.2 NVMe SSDs Network Switches UPS Power Protection Enterprise HDDs All rights reserved – PCBoost