Expandable 4-Bay NAS

Synology DiskStation DS925neo+

A flexible 4-bay network attached storage solution for consolidating, sharing, protecting and managing growing digital data across home-office, business and edge environments.

What is the Synology DS925neo+?

The DS925neo+ is a 4-bay Synology DiskStation NAS powered by an AMD Ryzen V1500B processor with 4 GB DDR4 memory, dual 2.5GbE LAN ports, two M.2 NVMe slots and support for expansion to nine total drive bays with one DX525 expansion unit.

4 BaysSupports 3.5-inch SATA HDDs or 2.5-inch SATA SSDs

Up to 9 BaysExpandable with one Synology DX525 expansion unit

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

2 × M.2M.2 2280 NVMe SSD slots for cache or supported storage pools

Store, Share and Protect Your Data

Centralise files, photos, applications and device backups within a private storage platform.

File Management and Collaboration

Store, sync, access and share data through mobile apps, desktop clients and a browser-based interface, with file versioning available for recovery from accidental deletion, mistakes or malware.

Photo and Video Organisation

Back up and organise photos, videos and other visual assets, automatically arrange content into albums and create secure sharing links for teammates or stakeholders.

Private Cloud Access

Keep data under your control while supporting access across different devices, platforms and locations.

Multi-Site Synchronisation

Keep teams aligned across homes, offices and branch locations.

Automatic one-way or two-way NAS-to-NAS synchronisation keeps selected files and folders current across sites. Synology Hybrid Share can also cache frequently used files locally for fast access while less frequently accessed data remains in the cloud, reducing local storage requirements.

Backup, Recovery and Data Protection

Consolidate protection for endpoints, servers, virtual machines, SaaS applications and Synology systems.

Centralised Endpoint Backup

Automate backups for PCs, file servers, virtual machines and SaaS applications, then restore individual files or complete devices through a central portal.

Synology System Backup

Schedule backups of data, applications and configurations to local or remote servers, external drives or supported cloud destinations.

Snapshots and Versioning

Use Snapshot Replication and version control to help protect shared folders and LUNs and support rapid recovery.

Smart Surveillance

Use Synology Surveillance Station for centralised monitoring, recording, playback and management.

The DS925neo+ supports up to 40 IP camera channels depending on codec and resolution. Surveillance Station includes two default camera licences, and additional cameras require additional licences. Remote monitoring, event-based actions, notifications and optional simultaneous cloud recording are supported by the supplied platform information.

Centralised Fleet Management

Monitor and manage multiple Synology systems from one interface.

Central Management System

Apply group policies, delegate tasks and perform batch updates across Synology servers from a central console.

Active Insight

Monitor fleet performance, backup status, login activity and other system information through Synology's cloud-based monitoring service.

High Availability

Combine two identical NAS systems into a high-availability cluster to reduce service downtime.

Hardware Overview

Front, rear and bottom views show the drive trays, dual 2.5GbE ports, USB ports, expansion port, fans and M.2 NVMe slots.

Frequently Asked Questions

Key answers about the Synology DiskStation DS925neo+.

How many drive bays does the DS925neo+ have?

It has four SATA drive bays and two M.2 2280 NVMe SSD slots. With one DX525 expansion unit, the system supports up to nine drive bays.

Which processor and memory are included?

The DS925neo+ uses an AMD Ryzen V1500B 4-core, 8-thread processor and includes 4 GB DDR4 non-ECC SODIMM memory. Maximum supported memory is 32 GB using two 16 GB modules.

What networking is built in?

Two 2.5GbE RJ-45 LAN ports are built in.

Can the M.2 slots be used for storage?

Yes. The supplied specifications list support for M.2 SSD storage pools and SSD read/write cache. Creating M.2 storage pools requires Synology-verified SSDs.

How many cameras can it manage?

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

What is included in the box?

The package includes the main unit, accessory pack, AC power adapter, AC power cord and two RJ-45 LAN cables.

What warranty is supplied?

The supplied specifications list a 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus, subject to regional availability.

Drive and memory compatibility: Synology states that compatible drives are required for full functionality, reliability and performance. Synology memory modules are recommended for optimum compatibility and reliability. Drives, expansion units and optional accessories are sold separately unless explicitly included by the seller.

(DS925NEOPLUS)

Synology DiskStation DS925neo+ Specifications

Hardware, storage, networking, DSM, application, environmental and packaging details.

Specification	Details
Processor and Memory
CPU	AMD Ryzen V1500B
CPU Configuration	1 processor; 4 cores; 8 threads; 64-bit architecture; 2.2 GHz
Hardware Encryption Engine	Yes
System Memory	4 GB DDR4 non-ECC SODIMM
Pre-installed Memory	4 GB (4 GB × 1)
Memory Slots	2
Maximum Memory	32 GB (16 GB × 2)For multi-module configurations, all modules must be identical and share the same model number. Synology memory modules are recommended.
Storage
Drive Bays	4 × 3.5-inch SATA HDD or 2.5-inch SATA SSD 2 × M.2 2280 NVMe SSD
Maximum Bays with Expansion	9 (DX525 × 1)
Hot-Swappable Drives	YesHot swap is not supported by the M.2 SSD slots.
M.2 SSD Storage Pool	SupportedCreating M.2 storage pools requires Synology-verified SSDs.
SSD Read/Write Cache	Supported
SSD TRIM	Supported
Maximum Single Volume Size	200 TB with 32 GB memory required; 108 TB otherwise
Maximum Internal Volumes	32
Supported RAID Types	Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6 and 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 and RAID 10
Volume Expansion by Adding HDD	Synology Hybrid RAID, JBOD, RAID 5 and RAID 6 with expansion unit
Global Hot Spare RAID Support	Synology Hybrid RAID, RAID 1, RAID 5, RAID 6 with expansion unit and RAID 10 with expansion unit
Storage Efficiency	Supported through deduplication and compression, subject to feature requirements
Internal File Systems	Btrfs, ext4
External File Systems	Btrfs, ext4, ext3, FAT32, NTFS, HFS+ and exFAT
Networking and External Ports
2.5GbE LAN	2 × RJ-45 2.5GbE ports
USB Ports	2 × USB 3.2 Gen 1
Expansion Port	1 × USB Type-C expansion port
Supported File Protocols	SMB, AFP, NFS, FTP, WebDAV and Rsync
Maximum SMB Connections	40 (FSCT-based)
Windows ACL Integration	Yes
NFS Kerberos Authentication	Yes
Supported General Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPS, FTP, SNMP, LDAP and CalDAV
Physical, Power and Cooling
Dimensions	166 × 199 × 223 mm (H × W × D)
Weight	2.26 kg
System Fans	2 × 92 mm × 92 mm
Fan Modes	Full-Speed Mode, Cool Mode and Quiet Mode
Power Adapter	100 watts; 120 watts*
AC Input	100 V to 240 V AC; 50/60 Hz; single phase
Power Consumption	37.91 W access; 12.33 W HDD hibernation
Thermal Output	129.27 BTU/hr access; 42.05 BTU/hr HDD hibernation
Noise Level	20.5 dB(A)
Front LED Brightness	Adjustable
Power Recovery	Supported
Scheduled Power On/Off	Supported
Wake on LAN/WAN	Supported
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
Maximum Operating Altitude	5,000 m
Environmental Compliance	RoHS compliant
Certifications	FCC, CE, BSMI, VCCI, RCM, UKCA, EAC, CCC, KC and BIS
Accounts, Sharing and Management
Maximum Local Users	512
Maximum Local Groups	128
Maximum Shared Folders	128
Maximum Shared Folder Sync Tasks	4
Maximum Hybrid Share Folders	10
Central Management System	Supported
Synology High Availability	Supported
Syslog Events per Second	800
Virtualisation and SAN
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 and 6.5
Microsoft Hyper-V	Windows Server 2025
Citrix XenServer	XenServer 8.4, XenServer 8 and Citrix Hypervisor 8.2 LTSR CU1
OpenStack	Cinder
Maximum iSCSI Targets	32
Maximum LUNs	64
LUN Clone/Snapshot and Windows ODX	Supported
Recommended VM Instances	8
Recommended Virtual DSM	8, including 1 free licence
Applications and Package Limits
Synology Drive	Maximum 80 users and 500,000 hosted or indexed files
Synology Office	Maximum 80 users
Synology Chat	Maximum 150 users
Synology MailPlus	5 free email accounts; maximum 90 users; additional accounts require licences
Synology AI Console	Third-party AI model integration; maximum de-identification rate of 40 words per secondDe-identification requires at least 8 GB memory and Container Manager.
Download Station	Maximum 80 concurrent download tasks
Media Server	DLNA compliant
Synology Photos	Facial recognition and object recognition supported
VPN Server	Maximum 8 connections
Snapshots and Replication
Snapshots per Shared Folder	256
Snapshots per LUN	32
Snapshots per System	2,048
Replication Tasks for Shared Folders	32
Replication Tasks for LUNs	16
Replication Tasks per System	32
Hyper Backup	Folder and package backup; entire system backup; local, network, server and public-cloud destinations supported
Surveillance Station
Default Camera Licences	2; additional cameras require licences
Maximum H.264 Cameras and FPS	1080p: 40 channels / 1050 FPS 3M: 40 channels / 600 FPS 5M: 30 channels / 360 FPS 4K: 20 channels / 200 FPS
Maximum H.265 Cameras and FPS	1080p: 40 channels / 1200 FPS 3M: 40 channels / 1000 FPS 5M: 40 channels / 600 FPS 4K: 30 channels / 300 FPS
Surveillance Performance Note	Actual capability varies with configuration, drive performance, enabled features and other workloads. Enabling SRTP for all cameras reduces overall performance to 70% of the stated figures.
Browser and Language Support
Supported Browsers	Chrome, Firefox, Edge and Safari
Supported Languages	English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文 and 简体中文
Package Contents and Optional Accessories
Package Contents	Main unit × 1; accessory pack × 1; AC power adapter × 1; AC power cord × 1; RJ-45 LAN cable × 2
Optional Memory	D4NS01-4G DDR4 non-ECC SODIMM; D4ES04-4G, D4ES03-8G and D4ES03-16G DDR4 ECC SODIMM
Expansion Unit	DX525
Optional Drives	HAT5300 Series Enterprise 3.5-inch SATA HDD; HAT3300 Series Plus 3.5-inch SATA HDD; SAT5200 Series Enterprise 2.5-inch SATA SSD; SNV3400 and SNV5400 Series Enterprise M.2 2280 NVMe SSD
Warranty
Hardware Warranty	3 years, extendable to 5 years with EW201 or Extended Warranty PlusExtended Warranty Plus is listed as available only in Europe and North America. EW201/EW202 is listed as available only in Asia, Africa and Oceania. Availability varies by region.

SKU	DS925NEOPLUS
Brand	SYNOLOGY
Shipping Weight	2.9000kg
Shipping Width	0.290m
Shipping Height	0.250m
Shipping Length	0.260m
Shipping Cubic	0.018850000m3

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