SYNOLGY DS925+ NAS DiskStation, Plus Series, 4-Bay

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SKU: 4711174726004 Categories: , Brands:
SYNOLGY DS925+ NAS DiskStation, Plus Series, 4-Bay
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₱50,100.00

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Synology DS925+ is a powerful 4-bay NAS built for fast, reliable, and centralized data storage. Perfect for businesses and professionals, it offers secure file sharing, backup, data management, and flexible storage expansion in one compact DiskStation.

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Description

Hardware Specifications
CPU
CPU ModelAMD Ryzen V1500B
CPU Quantity1
CPU Cores4
CPU Threads8
CPU Architecture64-bit
CPU Frequency2.2 GHz
Hardware Encryption Engine
Memory
System Memory4 GB DDR4 ECC SODIMM
Memory Module Pre-installed4 GB (4 GB × 1)
Total Memory Slots2
Maximum Memory Capacity32 GB (16 GB × 2)
Notes
  • Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage
Drive Bays
4 × 3.5″ SATA HDD or 2.5″ SATA SSD
2 × M.2 2280 NVMe SSD
Maximum Drive Bays with Expansion Unit9 (DX525 × 1)
Hot Swappable Drive*
Notes
  • The hot swappable drive feature is not supported by M.2 SSD slots.
  • Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article.
  • SSD cache can be enabled with select compatible SSD. See the compatibility list for model-specific support and details. SSDs are sold separately.
External Ports
RJ-45 2.5GbE LAN Port2
USB 3.2 Gen 1 Port2
Expansion Port1
Expansion Port TypeUSB Type-C
Appearance
Size (Height × Width × Depth)166 mm × 199 mm × 223 mm
Weight2.26 kg
Others
System Fan92 mm × 92 mm × 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level20.5 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter100 watts
120 watts*
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption37.91 watts (Access)
12.33 watts (HDD Hibernation)
British Thermal Unit129.27 BTU/hr (Access)
42.05 BTU/hr (HDD Hibernation)
Notes
  • For more information on how power consumption is measured, refer to this article.
  • Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature
Operating Temperature0°C to 40°C (32°F to 104°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Operating Humidity8% to 80% RH
Storage Humidity5% to 95% RH
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
  • BIS
Warranty
3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus
Notes
  • The warranty period starts from the purchase date as stated on your purchase receipt.
  • Extended Warranty Plus is only available in Europe and North America. EW201/EW202 is only available in Asia, Africa, and Oceania. For exact availability information please visit their respective websites.
Environment
RoHS Compliant
Packaging Content
  • Main Unit × 1
  • Accessory Pack × 1
  • AC Power Adapter × 1
  • AC Power Cord × 1
  • RJ-45 LAN Cable × 2
Optional Accessories
  • DDR4 ECC SODIMM: D4ES04-4G/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
NotesFor multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.

 

DSM Specifications
Storage Management
Maximum Single Volume Size
  • 200 TB (32 GB memory required)
  • 108 TB
Maximum Internal Volume Number32
M.2 SSD Storage Pool Support*
SSD Read/Write Cache
SSD TRIM
Storage Efficiency
Supported RAID Type
  • 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 a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
Notes
  • Volumes over 108 TB require 32 GB of memory or more.
  • Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
  • Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I/O-intensive environments.
  • Storage efficiency helps reduce storage space consumption through deduplication and compression.
File System
Internal Drives
  • Btrfs
  • ext4
External Drives
  • Btrfs
  • ext4
  • ext3
  • FAT32
  • NTFS
  • HFS+
  • exFAT
File Services
File Protocol
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
Maximum Number of SMB Connections (FSCT-Based)40
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes
  • Connection value of this model is tested with Synology SATA HDD fully populated and all onboard network ports
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
    • Test workload: HomeFolder scenario provided by the FSCT tool
    • Test duration: 600 seconds
    • Domain controller & FSCT controller: Windows Server 2022
    • FSCT clients: 8 × Windows 10 machines
    • SMB feature: Directory leasing enabled
Account & Shared Folder
Maximum Local User Accounts512
Maximum Local Groups128
Maximum Shared Folder128
Maximum Shared Folder Sync Tasks4
Hybrid Share
Maximum Hybrid Share Folders10
Hyper Backup
Folder and Package Backup
Entire System Backup
High Availability
Synology High Availability
Log Center
Syslog Events per Second800
Virtualization
VMware vSphereESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
Microsoft Hyper-VWindows Server 2025, Windows Server 2022
Citrix XenServerXenServer 8.4, XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
OpenStackCinder
General Specifications
Supported ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Safari
Supported LanguageEnglish, 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, 简体中文
NotesFor an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages
Central Management System
Synology AI Console
Third-Party AI Model Integration
Maximum De-Identification Rate40 words per second
Notes
  • De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text.
  • To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.
Synology Chat
Maximum Number of Users150
Notes
  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • Models with expandable memory are tested with the maximum supported quantity installed.
Download Station
Maximum Concurrent Download Tasks80
SAN Manager
Maximum iSCSI Target Number32
Maximum LUN64
LUN Clone/Snapshot, Windows ODX
Synology MailPlus / MailPlus Server
Free Email Accounts5
Maximum Number of Users90
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day.
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Operating in high-availability mode will incur additional overhead.
  • Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
Media Server
DLNA Compliance
Synology Photos
Facial Recognition
Object Recognition
Snapshot Replication
Maximum Snapshots per Shared Folder256
Maximum Snapshots per LUN32
Maximum Snapshots per System2,048
Maximum Replication Tasks for Shared Folders32
Maximum Replication Tasks for LUNs16
Maximum Replication Tasks per System32
Surveillance Station
Default Licenses2
Maximum IP Cameras and Total FPS (H.264)
  • 1080p: 40 channels, 1050 FPS
  • 3M: 40 channels, 600 FPS
  • 5M: 30 channels, 360 FPS
  • 4K: 20 channels, 200 FPS
Maximum IP Cameras and Total FPS (H.265)
  • 1080p: 40 channels, 1200 FPS
  • 3M: 40 channels, 1000 FPS
  • 5M: 40 channels, 600 FPS
  • 4K: 30 channels, 300 FPS
Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
  • The values above are based on testing with RTSP streaming. If SRTP is enabled for all cameras, overall performance will decrease to 70% of the stated figures.
Synology Drive
Maximum Number of Users80
Maximum Number of Hosted Files500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle.
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Number of Users80
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file.
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Virtual Machine Manager
Recommended Virtual Machine Instances8
Recommended Virtual DSM Number8 (including 1 Free License)
NotesThe specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections8

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