Synology DS425+ – 4-Bay NAS with 24 TB (4× HAT3300 6 TB)

Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache

Synology DS425+ 4-Bay NAS with 24 TB (4× HAT3300 6 TB)

Name: Synology DS425+ 4-Bay NAS with 24 TB (4× HAT3300 6 TB)
Brand: Synology
SKU: DS425+HAT330024TB
Price: 1274.4 EUR
Availability: InStock

In stock

€1,274.40

VAT included Delivered within 24/48h

Synology DS425+ with 4× HAT3300 6 TB drives (24 TB raw). Compact, reliable, and ready for backup and private cloud.

Synology DS425+ – 4-Bay NAS with 4× HAT3300 6 TB (24 TB)

📌 General presentation
The Synology DS425+ is a compact 4-bay NAS, supplied pre-equipped with 4 Synology HAT3300 6 TB hard drives, providing a total raw capacity of 24 TB.
Designed for small businesses, freelancers, and professional environments, it features an Intel Celeron J4125 processor (4 cores at 2.0 GHz, burst up to 2.7 GHz) and 2 GB DDR4 RAM (expandable to 6 GB).
Its 2 NVMe M.2 slots allow SSD cache expansion without using the main bays.

With certified Synology drives installed and tested, this bundle is ready to use and ensures seamless integration with DSM.

🔧 Key features

Processor: Intel Celeron J4125 – 4 cores @ 2.0 GHz (2.7 GHz burst)
RAM: 2 GB DDR4 (expandable to 6 GB)
Storage included: 4 × Synology HAT3300 HDD – 6 TB (24 TB raw)
SSD cache: 2 × M.2 NVMe 2280 (Synology only)
Network: 1 × 2.5 GbE RJ45 + 1 × 1 GbE RJ45 (link aggregation & failover)
USB: 2 × USB 3.2 Gen 1

🔐 Security & reliability

Synology HAT3300 certified drives, installed and tested
Hardware encryption AES-NI
Btrfs file system with snapshots & instant recovery
Data integrity check
Network redundancy with Link Aggregation
Compatible with UPS: Synology, APC, Eaton

💼 Recommended use cases

Centralised backup for workstations and servers
Deployment of a private cloud (Synology Drive, Office, Photos)
Multi-site sharing & synchronisation for SMBs
IP video surveillance with Surveillance Station
Long-term archiving with NAS-to-NAS replication

📦 Box contents

1 × Synology DS425+ NAS
4 × Synology HAT3300 6 TB drives (installed – 24 TB raw)
1 × External 90 W power supply + power cord
2 × RJ45 Cat5e cables
Screw kit
Quick installation guide (EN / FR)

📊 Technical specifications

Component	Detail
Processor	Intel Celeron J4125 – 4 cores @ 2.0 GHz (2.7 GHz burst)
RAM	2 GB DDR4 (expandable to 6 GB)
Drive bays	4 × SATA 3.5″ / 2.5″
Storage	4 × Synology HAT3300 HDD 6 TB (24 TB raw)
M.2 slots	2 × NVMe 2280 (cache only)
Network	1 × 2.5 GbE RJ45 + 1 × 1 GbE RJ45
USB ports	2 × USB 3.2 Gen 1
Cooling	2 × 92 mm fans (~19.8 dB)
Power supply	External 90 W
Dimensions/weight	166 × 199 × 223 mm / ~2.18 kg
Warranty	3 years NAS / 3 years drives (Synology)

🧩 Compatible accessories

Synology NVMe SSD SNV3400 / SNV3410
Synology SATA SSD SAT5200 / SAT5210
UPS devices: Synology, APC, Eaton

✅ Warranty & support

Manufacturer NAS warranty: 3 years (extendable to 5 depending on region)
Synology HAT3300 drive warranty: 3 years
Professional Synology support via DSM

ℹ️ Drive compatibility
This bundle includes only Synology-certified HAT3300 drives.
Using non-validated drives may trigger warnings or restrict certain functions.