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SYNOLOGY DISKSTATION DS425+ | 4-BAY, INTEL CELERON J4125, 2GB RAM - NO HDD
SYNOLOGY DISKSTATION DS425+ | 4-BAY, INTEL CELERON J4125, 2GB RAM - NO HDD - Image 2
SYNOLOGY DISKSTATION DS425+ | 4-BAY, INTEL CELERON J4125, 2GB RAM - NO HDD - Image 3

SYNOLOGY DISKSTATION DS425+ | 4-BAY, INTEL CELERON J4125, 2GB RAM – NO HDD

FEATURES:

 

  • Capable Performance – Up to 278/281MB/s sequential read/write throughput1 supports stable data transfers
  • Fast Networking – Built-in 2.5GbE port for fast connectivity out of the box
  • Versatile Network Storage – Leverage built-in file and photo management, data protection and surveillance solutions
  • Centralised Data Storage – Store up to 80TB of data in one place, maintain 100% data ownership and enjoy multi-platform access
SKU: CAS-NASBOX-DS425+ Categories: , , , Tags: , , , , , , , , , , , , , , , , , , , Brand:

Synology DiskStation DS425+ | 4-Bay, Intel Celeron J4125, 2GB RAM - NO HDD

A compact storage hub with 100% data ownership

The DS425+ delivers powerful functionality in a compact 4-bay, desktop friendly design. Built-in 2.5GbE networking provides excellent network speeds out of the box. Powered by Synology DiskStation Manager (DSM), the DS425+ serves as a versatile all-in-one solution for data sharing, synchronisation, backup and surveillance.

FEATURES:

  • Capable Performance - Up to 278/281MB/s sequential read/write throughput1 supports stable data transfers
  • Fast Networking - Built-in 2.5GbE port for fast connectivity out of the box
  • Versatile Network Storage - Leverage built-in file and photo management, data protection and surveillance solutions
  • Centralised Data Storage - Store up to 80TB of data in one place, maintain 100% data ownership and enjoy multi-platform access

SPECIFICATIONS:

HARDWARE SPECIFICATIONS
CPU CPU Model Intel Celeron J4125
CPU Quantity 1×
CPU Core 4×
CPU Architecture 64bit
CPU Frequency 2.0 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine Yes
Memory System Memory 2GB DDR4 non-ECC
Total Memory Slots 1×
Maximum Memory Capacity 6GB (2GB + 4GB)
Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical 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.
Storage Drive Bays 4×
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
Notes The hot swappable drive feature is not supported by M.2 SSD slots.
Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives.
External Ports RJ45 1GbE LAN Port 1×
RJ45 2.5GbE LAN Port 1×
USB3.2 Gen1 Port 2×
Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
Appearance Dimensions (H × W × D) 166 × 199 × 223mm
Weight 2.18kg
Others System Fan 92 × 92mm ×2-pcs
Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet Mode
Brightness Adjustable Front LED Indicators Yes
Power Recovery Yes
Noise Level 21.6dB(A)
Scheduled Power On/Off Yes
Wake on LAN/WAN Yes
Power Supply Unit/Adapter 90W
AC Input Power Voltage 100~240V AC
Power Frequency 50/60Hz, Single Phase
Power Consumption 28.25W (Access)
6.10W (HDD Hibernation)
British Thermal Unit 96.33 BTU/hr (Access)
20.79 BTU/hr (HDD Hibernation)
Notes Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1m distance from the front and rear of the device. Background noise: 16.49~17.51dB(A); Temperature: 24.25~25.75°C; Humidity: 58.2~61.8%.
Temperature Operating Temperature 0~40°C
Storage Temperature -20~60°C
Relative Humidity 5~95% 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
Package Contents 1× Main Unit
1× Accessory Pack
1× AC Power Adapter
1× AC Power Cord
2× RJ45 LAN Cable
Optional Accessories DDR4 non-ECC SODIMM: D4NS01-4G
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 and SNV5400 Series
DSM SPECIFICATIONS
Storage Management Maximum Single Volume Size 108TB
Maximum Internal Volume Number 32×
M.2 SSD Storage Pool Support Yes
SSD Read/Write Cache Yes
SSD TRIM Yes
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
Global Hot Spare Supported RAID Type Synology Hybrid RAID
RAID 1
RAID 5
Notes Each internal volume (may consist of multiple drives) is expandable up to 108TB.
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.
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) 10×
Windows Access Control List (ACL) Integration Yes
NFS Kerberos Authentication Yes
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 and FSCT controller: Windows Server 2022
FSCT clients: 8× Windows 10 machines
SMB feature: Directory leasing enabled
Account and Shared Folder Maximum Local User Accounts 512×
Maximum Local Groups 128×
Maximum Shared Folder 128×
Maximum Shared Folder Sync Tasks 4×
Hybrid Share Maximum Hybrid Share Folders 10×
Hyper Backup Folder and Package Backup Yes
Entire System Backup Yes
High Availability Synology High Availability Yes
Log Center Syslog Events per Second 800×
Virtualization VMware ESXi 6.5 and VAAI Yes
Windows Server 2022 Yes
Citrix Ready Yes
OpenStack Yes
General 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
Supported Language 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, 简体中文
Notes For an updated list of supported browser versions, check the DSM Technical Specifications.
ADD-ON-PACKAGES
Central Management System Yes
Synology Chat Maximum Number of Users 100×
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 Tasks 80×
SAN Manager Maximum iSCSI Target Number 2×
Maximum LUN 2×
LUN Clone/Snapshot, Windows ODX Yes
Synology MailPlus / MailPlus Server Free Email Accounts 5× (Additional accounts require purchase of licenses)
Maximum Number of Users 20×
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 Yes
Synology Photos Facial Recognition Yes
Object Recognition Yes
Notes Object recognition requires an upgrade of memory capacity to a minimum of 4GB.
Snapshot Replication Maximum Snapshots per Shared Folder 128×
Maximum of System Snapshots 256×
Surveillance Station Default Licenses 2× (Additional cameras require purchase of licenses)
Suggested Maximum IP Cameras and Total fps (H.264) 1080p: 40-Channels, 800fps
3M: 35-Channels, 350fps
5M: 28-Channels, 280fps
4K: 17-Channels, 170fps
Suggested Maximum IP Cameras and Total fps (H.265) 1080p: 40-Channels, 1200fps
3M: 40-Channels, 600fps
5M: 40-Channels, 480fps
4K: 20-Channels, 200fps
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 streams that can be viewed simultaneously is twice the suggested maximum number of cameras. For example, if the suggested maximum number of cameras for a model is 10× under H.264, 1080p, the model can support up to 20× streams of the same specification at the same time.
Synology Drive Maximum Number of Users 20×
Maximum Number of Hosted Files 500,000 (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 Users 20×
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 Instances 2×
Recommended Virtual DSM Number (Licenses required) 2× (Including 1 Free License)
Notes The specifications vary depending on system configuration and memory size.
VPN Server Maximum Connections 4×

Additional information

Weight 15.49 kg
Dimensions 28.6 × 25.6 × 24 cm

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