The DiskStation DS425+ 4-Bay NAS Enclosure from Synology is a capable performer with tools to help you secure, back up, and sync your data and media. Built-in solutions available in Synology's DiskStation Manager (DSM) OS let users their own private cloud, organize and stream music, video, and photo collections across all devices, seamlessly collaborate with partners, set up an intuitive surveillance , and more. The DS425+ is equipped with four drive bays that are capable of natively supporting 3.5" SATA hard drives as well as 2.5" SATA hard drives and SSDs. Performance may be boosted via dual M.2 2280 slots, which may be used to an NVMe cache.
The DS425+ runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating which helps to simplify managing your Synology NAS. Its CPU is a 2.0 GHz Intel Celeron J4125 4-Core with a burst frequency of up to 2.7 GHz, and its 2GB of DDR4 RAM, which can be upgraded to 6GB, allows frequently used files and applications to be quickly accessed. Using its 2.5 Gigabit and Gigabit Ethernet ports, which support link aggregation and failover, this NAS is capable of sequential read speeds up to 278 MB/s and sequential write speeds up to 281 MB/s. Also available are two USB-A 3.2 Gen 1 ports.
For those who RAID support, the DS425+ supports RAID 0 and 1, 5, 6, 10, as well Synology Hybrid RAID and Basic RAID, each of which offers performance, data redundancy, or a combination of both. For those who do not a RAID, JBOD is also available, allowing each drive bay to be individually utilized. Operations are kept cool using dual 92mm fans and included is an accessory pack, an AC power adapter, an AC power cord, and two RJ45 LAN cables.
2.5GbE Connectivity and Diverse Storage Options
The DS425+ features built-in 2.5GbE networking and supports both SATA SSDs and HDDs in 2.5/3.5" internal bays, as well as M.2 NVMe drives via M.2 slots for use cache. Users will experience read speeds of up to 278 MB/s and write speeds of up to 281 MB/s.
Store, Share, and Protect
Manage all your documents, photos, and other files, back up applications and devices, and protect your assets with professional video surveillance.
Private Cloud for Seamless Data Access
Multi-Site Synchronization to Empower Global Workflows
Comprehensive Data Backup, Protection, and Recovery Solutions
Smart Surveillance
Centralized Monitoring and Management
Monitor and manage your Synology fleet from a central interface, on-prem or in the cloud.
Central Management
Manage Synology servers from a central console using group policies, task delegation, batch updates, and more.
Active Insight
Monitor your global Synology fleet's performance, backup status, login activity, and more with the power of the cloud.
Performance Backed by Synology Drives
Designed for Synology systems, Synology drives deliver consistent performance and reliability for your deployments.
| RAID | Supported RAID Modes: 0 / 1 / 5 / 6 / 10 / JBOD / Basic / Hybrid |
|---|---|
| Number of Bays | 4 × 2.5" / 3.5" SATA III (Hot-Swap) + 2 × M.2 (2280) NVMe |
| Inputs / Outputs | 1 × RJ45 2.5GbE, 1 × RJ45 Gigabit Ethernet, 2 × USB-A 3.0 (Gen1) |
| CPU | Quad-Core (2.0 &ndash 2.7 GHz) |
|---|---|
| Processor | Intel Celeron J4125 (10 W TDP) |
| Memory | 2 GB DDR4 (2 GB onboard + 1 slot, supports up to 4 GB) |
| RAID | Supported RAID Modes: 0 / 1 / 5 / 6 / 10 / JBOD / Basic / Hybrid |
|---|---|
| Transfer Rates | Read: 278 MB/s &bull Write: 281 MB/s |
| Drive Bays | 4 × 2.5"/3.5" SATA III (hot-swap), 2 × M.2 (2280) NVMe |
| Media Card Slots | No |
|---|---|
| PCI Expansion | No |
| Cooling | 2 × 92 mm Fans |
| Noise Level | 21.6 dBA |
| Dimensions | 8.8 × 7.8 × 6.5" / 223 × 199 × 166 mm |
| Weight | 4.6 lb / 2.1 kg |
| Link Aggregation & Failover | No |
|---|---|
| iSCSI Support | Yes |
| Installed OS | No (ship without installed OS) |
|---|---|
| OS Compatibility | Windows, macOS, Linux, UNIX |
| Mobile App Compatible | No |
| Encryption | Yes, AES-NI (hardware-based) |
|---|---|
| VPN Connections | 4 (Server) |
| Security Features | Not listed |
| Input Power | 100&ndash240 VAC, 50/60 Hz |
|---|---|
| Power Consumption | Typical: 28.25 W &bull Standby: 6.1 W |
| Power Supply | 1 × 90 W |
| Operating Conditions | 32 to 104°F / 0 to 40°C |
|---|---|
| Storage Conditions | -5 to 140°F / -20 to 60°C |
| Certifications | BIS, BSMI, CCC, CE, EAC, FCC, KC, RCM, UKCA, VCCI |
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