How much memory is installed in the Synology DS1525neo+?

The DS1525neo+ includes 4 GB DDR4 non-ECC SODIMM memory and supports a specified maximum memory capacity of 32 GB.

Does the Synology DS1525neo+ support M.2 NVMe SSDs?

Yes. It has two M.2 2280 NVMe SSD slots supporting SSD caching, while Synology-verified SSDs can also be used for M.2 storage pools.

How many surveillance cameras can the Synology DS1525neo+ support?

Surveillance Station supports up to 40 camera channels depending on codec, resolution and configuration. Two camera licences are included by default.

5-Bay DiskStation NAS

Synology DS1525neo+ Versatile All-Purpose Data Hub

The Synology DS1525neo+ is a versatile 5-bay storage solution designed to scale with evolving storage requirements. Powered by Synology DiskStation Manager (DSM), it combines built-in 2.5GbE networking, optional 10GbE connectivity, storage expansion, SSD caching, file sharing, synchronization, backup, virtualization and surveillance capabilities.

What is the Synology DS1525neo+?

The DS1525neo+ is a 5-bay Synology DiskStation powered by an AMD Ryzen V1500B 4-core processor and 4 GB DDR4 memory. It includes two 2.5GbE LAN ports, two M.2 2280 NVMe SSD slots and support for up to two DX525 expansion units, increasing the system to a maximum of 15 drive bays.

5 Bays 3.5-inch SATA HDD or 2.5-inch SATA SSD support

Dual 2.5GbE Two built-in RJ-45 2.5GbE LAN ports

Up to 15 Bays Expand with two Synology DX525 expansion units

2 × M.2 NVMe M.2 2280 NVMe SSD slots for SSD caching and supported storage pools

Fast Storage with Flexible Expansion

Built-in high-speed networking with options for storage and network expansion.

The DS1525neo+ provides five internal drive bays supporting 3.5-inch SATA HDDs or 2.5-inch SATA SSDs. Using 24 TB drives, the supplied material specifies up to 120 TB of raw storage across the five internal bays.

When additional capacity is required, two Synology DX525 expansion units can increase the system to 15 drive bays and up to 360 TB of raw storage using 24 TB drives. Actual usable storage depends on the installed drives and RAID configuration.

Two built-in 2.5GbE LAN ports provide fast networking out of the box. A 10GbE RJ-45 connection can be added using the supported E10G22-T1-Mini network upgrade module.

Private Cloud and File Management

Store, synchronize, access and share data across different platforms and devices.

Centralised File Management

Synology Drive provides a central location for storing and organising files with sharing permissions, security features and access across supported desktop and mobile platforms.

Photo and Video Organisation

Synology Photos provides tools for storing, organising and sharing photos and videos for personal or professional use.

Collaborative Productivity

Synology Office supports real-time collaboration on documents, spreadsheets and presentation slides, including file versioning and password-protection options.

Multi-Site Synchronisation

Keep files available and synchronised across different locations.

NAS-to-NAS Synchronisation

Automatic one-way or two-way site-to-site synchronisation can keep files and folders updated across multiple Synology systems.

Hybrid Share

Synology Hybrid Share combines local access with Synology C2 Storage to support efficient multi-site teamwork. Hybrid Share requires a monthly or annual subscription.

Cross-Platform Access

Files can be accessed through supported browsers, desktop clients and mobile devices using Synology's file-management tools.

Comprehensive Backup and Data Protection

Consolidate backup tasks for devices, applications and Synology systems.

The DS1525neo+ supports Synology backup tools for protecting PCs, file servers, virtual machines, SaaS applications and other data. Hyper Backup supports local backup, network backup and backup to other servers and supported public-cloud destinations, including Synology C2 Storage.

Snapshot Replication supports up to 256 snapshots per shared folder, 64 snapshots per LUN and 4,096 snapshots per system. Synology High Availability can combine two identical NAS systems into a high-availability cluster to reduce service downtime.

Synology Surveillance Station

Centralised video surveillance with local recording and remote monitoring.

Synology Surveillance Station turns the DS1525neo+ into a network video recorder with support for more than 8,700 camera models and ONVIF-compatible cameras. The platform provides live monitoring, recording, investigation, remote playback and event-based actions.

The DS1525neo+ supports up to 40 IP camera channels depending on resolution, codec and configuration. Surveillance Station includes two default camera licences; additional cameras require additional licences.

Virtualisation and Application Testing

Use the system as virtual-machine storage or as a host for containers and VMs.

The DS1525neo+ supports VMware vSphere, Microsoft Hyper-V, Citrix XenServer and OpenStack environments. Container Manager and Synology Virtual Machine Manager support containers and virtual machines for testing, sandboxing and recovery scenarios.

Virtual Machine Manager supports a recommended maximum of eight virtual-machine instances and eight Virtual DSM instances, including one free Virtual DSM licence. Specifications vary according to system configuration and installed memory.

Centralised Synology Management

Manage storage services and multiple Synology systems from central interfaces.

Central Management System

Provides a single interface for managing and monitoring multiple Synology NAS systems.

Active Insight

Synology's cloud-based fleet-monitoring solution can detect malicious activity and automatically create immutable snapshots. Three Active Insight licences are included.

Synology AI Console

Supports centralised AI management and third-party AI model integration. De-identification requires at least 8 GB of memory and Container Manager.

Designed for Synology Storage

Compatible Synology storage options cover HDD, SATA SSD and M.2 NVMe deployments.

The supplied specifications list Synology HAT5300 Enterprise Series and HAT3300 Plus Series 3.5-inch SATA HDDs, SAT5200 Enterprise Series 2.5-inch SATA SSDs, and SNV3400 and SNV5400 Enterprise Series M.2 2280 NVMe SSDs as optional storage accessories.

Synology states that compatible drives should be used for full functionality, reliability and performance, and that model-specific drive support should be checked before purchasing drives.

Frequently Asked Questions

Key information about the Synology DS1525neo+.

How many drive bays does the DS1525neo+ have?

It has five internal 3.5-inch SATA HDD or 2.5-inch SATA SSD bays, plus two M.2 2280 NVMe SSD slots.

Can the DS1525neo+ be expanded?

Yes. Two Synology DX525 expansion units can increase the system to a maximum of 15 drive bays.

Does the DS1525neo+ have 2.5GbE networking?

Yes. It includes two built-in RJ-45 2.5GbE LAN ports.

Can the DS1525neo+ be upgraded to 10GbE?

Yes. One 10GbE RJ-45 connection can be added using the optional Synology E10G22-T1-Mini network upgrade module.

How much memory is installed?

The DS1525neo+ includes 4 GB DDR4 non-ECC SODIMM memory and has two memory slots, with a specified maximum capacity of 32 GB.

Does it support M.2 NVMe SSDs?

Yes. It provides two M.2 2280 NVMe SSD slots. Supported SSDs can be used for SSD caching, and Synology-verified SSDs can be used to create M.2 storage pools.

How many surveillance cameras can it support?

Surveillance Station supports up to 40 camera channels depending on the codec, resolution and configuration. Two camera licences are included by default.

What warranty is specified for the DS1525neo+?

The supplied product specifications list a 3-year hardware warranty, extendable to five years with EW201 or Extended Warranty Plus, subject to regional availability.

Raw storage capacity figures are calculated using 24 TB drives. Actual usable storage depends on the installed drives, RAID configuration, filesystem and system metadata.

Drives, SSDs, expansion units and optional network modules are sold separately unless specifically included with the product being purchased.

(DS1525NEOPLUS)

Synology DS1525neo+ Specifications

Hardware, storage, connectivity, DSM, application and environmental specifications.

Specification	Details
Processor
CPU Model	AMD Ryzen V1500B
CPU Quantity	1
CPU Cores	4
CPU Threads	8
CPU Architecture	64-bit
CPU Frequency	2.2 GHz
Hardware Encryption Engine	Yes
Memory
System Memory	4 GB DDR4 non-ECC SODIMM
Pre-installed Memory	4 GB (4 GB × 1)
Total Memory Slots	2
Maximum Memory Capacity	32 GB (16 GB × 2)
Storage
Drive Bays	5 × 3.5-inch SATA HDD or 2.5-inch SATA SSD 2 × M.2 2280 NVMe SSD
Maximum Drive Bays with Expansion	15 (DX525 × 2)
Hot-Swappable Drives	Yes Hot swapping is not supported by the M.2 SSD slots.
M.2 SSD Storage Pool Support	Yes Creating M.2 storage pools requires Synology-verified SSDs.
SSD Read/Write Cache	Yes
SSD TRIM	Yes
Networking and External Connectivity
RJ-45 2.5GbE LAN Ports	2
USB 3.2 Gen 1 Ports	2
Expansion Ports	2
Expansion Port Type	USB Type-C
PCIe Expansion	1 × Gen3 x2 network upgrade slot
Optional 10GbE Module	E10G22-T1-Mini 10GbE Network Upgrade Module
Physical Specifications
Dimensions	166 × 230 × 223 mm (H × W × D)
Weight	2.67 kg
System Fans	92 × 92 mm × 2
Fan Modes	Full-Speed Mode, Cool Mode, Quiet Mode
Adjustable Front LED Brightness	Yes
Noise Level	22.60 dB(A)
Power
Power Supply Unit / Adapter	120 watts
AC Input	100V to 240V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption - Access	44.56 watts
Power Consumption - HDD Hibernation	13.63 watts
Wake on LAN / WAN	Yes
Scheduled Power On / Off	Yes
Power Recovery	Yes
Operating Environment
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20°C to 60°C (-5°F to 140°F)
Operating Humidity	8% to 80% RH
Storage Humidity	5% to 95% RH
Certifications and Environment
Certifications	FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC, BIS
Environmental Compliance	RoHS Compliant
DSM Storage Management
Maximum Single Volume Size	200 TB with 32 GB memory installed 108 TB
Maximum Internal Volumes	32
Storage Efficiency	Yes
Supported RAID Types	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 an HDD	Synology Hybrid RAID, JBOD, RAID 5, RAID 6
Global Hot Spare Supported RAID	Synology Hybrid RAID, RAID 1, RAID 5, RAID 6, RAID 10
File Systems and File Services
Internal Drive File Systems	Btrfs, ext4
External Drive File Systems	Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
File Protocols	SMB, AFP, NFS, FTP, WebDAV, Rsync
Maximum SMB Connections	40 (FSCT-based)
Windows ACL Integration	Yes
NFS Kerberos Authentication	Yes
Accounts and Shared Folders
Maximum Local User Accounts	1,024
Maximum Local Groups	256
Maximum Shared Folders	256
Maximum Shared Folder Sync Tasks	8
Maximum Hybrid Share Folders	10
Virtualisation
VMware vSphere	ESXi 8.0 U2, 8.0 U1, 8.0, 7.0 U3, 7.0 U2, 7.0 U1, 7.0, 6.7 U3, 6.7 U2, 6.7 U1, 6.7, 6.5 U3, 6.5 U2, 6.5 U1, 6.5
Microsoft Hyper-V	Windows Server 2025
Citrix XenServer	XenServer 8.4, XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
OpenStack	Cinder
Recommended Virtual Machine Instances	8
Recommended Virtual DSM Instances	8, including 1 free licence
Synology Drive and Office
Synology Drive - Maximum Users	80
Synology Drive - Maximum Hosted Files	500,000
Synology Office - Maximum Users	80
Synology Chat - Maximum Users	150
Mail and SAN
Synology MailPlus Free Email Accounts	5; additional accounts require licences
Synology MailPlus Maximum Users	100
Maximum iSCSI Targets	64
Maximum LUNs	128
LUN Clone/Snapshot and Windows ODX	Yes
Snapshot Replication
Maximum Snapshots per Shared Folder	256
Maximum Snapshots per LUN	64
Maximum Snapshots per System	4,096
Maximum Replication Tasks for Shared Folders	32
Maximum Replication Tasks for LUNs	16
Maximum Replication Tasks per System	32
Surveillance Station
Default Camera Licences	2; additional cameras require licences
Maximum H.264 Camera Performance	1080p: 40 channels / 1050 FPS 3M: 40 channels / 600 FPS 5M: 30 channels / 360 FPS 4K: 20 channels / 200 FPS
Maximum H.265 Camera Performance	1080p: 40 channels / 1200 FPS 3M: 40 channels / 1000 FPS 5M: 40 channels / 600 FPS 4K: 30 channels / 300 FPS
Other DSM Applications
Central Management System	Yes
Synology High Availability	Yes
Hyper Backup	Folder and package backup; entire system backup
Download Station	Maximum 80 concurrent download tasks
Synology Photos	Facial recognition and object recognition supported
Synology AI Console	Third-party AI model integration supported; maximum de-identification rate 40 words per second
VPN Server	Maximum 8 connections
General DSM Specifications
Supported Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPS, FTP, SNMP, LDAP, CalDAV
Supported Browsers	Chrome, Firefox, Edge, Safari
Packaging Content
Main Unit	1
Accessory Pack	1
AC Power Adapter	1
AC Power Cord	1
RJ-45 LAN Cables	2
Optional Accessories
DDR4 non-ECC SODIMM	D4NS01-4G
DDR4 ECC SODIMM	D4ES04-4G / D4ES03-8G / D4ES03-16G
Expansion Unit	DX525
Enterprise 3.5-inch SATA HDD	HAT5300 Series
Plus Series 3.5-inch SATA HDD	HAT3300 Series
Enterprise 2.5-inch SATA SSD	SAT5200 Series
Enterprise M.2 2280 NVMe SSD	SNV3400 and SNV5400 Series
10GbE Network Upgrade Module	E10G22-T1-Mini
Warranty
Hardware Warranty	3 years, extendable to 5 years with EW201 or Extended Warranty Plus Availability of warranty extensions varies by region.

SKU	DS1525NEOPLUS
Brand	SYNOLOGY
Shipping Weight	3.9000kg
Shipping Width	0.350m
Shipping Height	0.280m
Shipping Length	0.390m
Shipping Cubic	0.038220000m3

Manufacturer Warranty: 3 Years Limited Warranty
Manufacturer Contact Info: http://www.synology.com