Synology DS425+ – 4-Bay NAS with 4 × HAT5300 8 TB (32 TB)

📌 General presentation
The Synology DS425+ is a professional 4-bay NAS, delivered with 4 × Synology HAT5300 8 TB hard drives, for a total raw capacity of 32 TB.
Built for SMBs and demanding IT environments, it combines the Intel Celeron J4125 CPU with the reliability of Enterprise HAT5300 drives, optimised for 24/7 operation and fully integrated into DSM.

🔧 Key features

• Processor: Intel Celeron J4125 – 4 cores @ 2.0 GHz (2.7 GHz burst)

• RAM: 2 GB DDR4 (expandable up to 6 GB)

• Storage: 4 × HAT5300 8 TB Enterprise SATA (32 TB raw)

• SSD cache: 2 × M.2 NVMe 2280 (Synology only)

• Network: 1 × RJ45 2.5 GbE + 1 × RJ45 1 GbE (link aggregation & failover)

• USB: 2 × USB 3.2 Gen 1

🔐 Security & reliability

• HAT5300 Synology-certified drives with firmware updates integrated into DSM

• Hardware encryption AES-NI

• Btrfs file system with snapshots and instant restore

• File integrity verification to protect critical data

• Network redundancy with Link Aggregation & Failover

• Compatible with UPS: Synology, APC, Eaton

💼 Recommended use cases

• Centralised backup for SMBs and IT services

• Deployment of a private cloud with Synology Drive, Office, Photos

• High-capacity storage for video, documents and collaboration projects

• IP surveillance with Surveillance Station

• Long-term archiving and replication between NAS

📦 Box contents

• 1 × Synology DS425+ NAS

• 4 × Synology HAT5300 8 TB drives (pre-installed)

• 1 × External 90 W PSU + power cord

• 2 × RJ45 Cat5e cables

• Screw kit

• Quick installation guide (EN / FR)

📊 Technical specifications

✅ Warranty & support

• NAS: 3 years (extendable to 5 depending on country)

• HAT5300 drives: 5 years

• Synology professional support via DSM

ℹ️ Compatibility
Delivered with 4 Synology-certified HAT5300 drives.
Using non-certified drives may trigger compatibility warnings or restrict certain features.