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

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

Name: Synology DS425+ 4-Bay NAS Enclosure, 2.5 GbE, NVMe cache
Brand: Synology
SKU: DS425+NU
Price: 548.4 EUR
Availability: InStock

In stock

€548.40

VAT included Delivered within 24/48h

The Synology DS425+ is a compact 4-bay NAS featuring an Intel Celeron CPU and 2.5 GbE connectivity. Perfect for backup, private cloud and team collaboration, it supports up to 80 TB and includes 2 NVMe slots for boosted performance.

Synology DS425+ – 4-Bay NAS Enclosure (Diskless)

📌 General presentation
The Synology DS425+ is a 4-bay NAS (diskless), designed for demanding users, freelancers, and small businesses needing compact, reliable, and centralised storage.
It features an Intel Celeron J4125 processor (4 cores at 2.0 GHz, up to 2.7 GHz burst) and 2 GB DDR4 RAM, expandable up to 6 GB.
With its 2 NVMe M.2 slots, it supports SSD cache acceleration without using the main drive bays.

Delivered without drives, it provides full flexibility to build your storage setup with Synology-certified drives, ensuring maximum compatibility and reliability under 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 × SATA 3.5″ / 2.5″ bays (Synology-certified HDD or SSD)
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

Hardware encryption AES-NI
Btrfs file system with snapshots and instant restore
File integrity check
Network redundancy with link aggregation
Compatible with UPS from Synology, APC, Eaton

💼 Recommended use cases

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

📦 Box contents

1 × Synology DS425+ NAS (diskless)
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 up to 6 GB)
Drive bays	4 × SATA 3.5″ / 2.5″
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
Expansion	None (limited to 4 internal bays)
Cooling	2 × 92 mm fans (~19.8 dB)
Power supply	External 90 W
Dimensions / weight	166 × 199 × 223 mm / ~2.18 kg

🧩 Compatible accessories

Synology NVMe SSD SNV3400 / SNV3410
Synology HDD HAT5300 / HAT3300
SATA SSD SAT5200 / SAT5210
Compatible UPS: Synology, APC, Eaton

✅ Warranty & support

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

ℹ️ Drive compatibility
The DS425+ is compatible exclusively with Synology validated drives (HAT5300, HAT3300, SAT5200, SNV3400, etc.).
Using non-certified drives may trigger compatibility warnings or limit certain features.