The Synology DiskStation DS425+ is a premium 4-bay NAS featuring a 4-core Intel Celeron J4125 and dedicated dual M.2 NVMe SSD slots for high-speed caching. Designed for elite data ownership, it boasts a 2.5GbE LAN port, expandable 2 GB DDR4 memory, and a quiet 21.6 dB(A) operation. With its hot-swappable architecture and 3-year hardware warranty , it delivers a future-proof storage experience for users seeking professional-grade stability and high-resolution performance. 3-Year Hardware (Extendable) Quad-Core Architecture: Intel Celeron J4125 CPU ensures responsive system performance. NVMe SSD Caching: Dual M.2 slots allow for improved I/O performance without using main bays. High-Speed Networking: Integrated 2.5GbE LAN port for superior data transfer rates. Expandable Capacity: 4-bay design supports hot-swappable HDDs and SSDs. Professional Reliability: Backed by a 3-year warranty and a robust 90W power system.
The Synology DiskStation DS425+ is an elite, compact 4-bay storage hub engineered for users who require total data ownership and high-speed local performance. Driven by a sophisticated Intel Celeron J4125 4-core processor with a burst frequency of up to 2.7 GHz, this system is designed for fluid multitasking and hardware-accelerated encryption. The hardware architecture is optimized for responsiveness, featuring 2 GB of DDR4 memory that is expandable to 6 GB, ensuring vibrant performance across diverse creative and technical workflows.
The integrated hardware delivers the accurate throughput required for modern networking through dual LAN ports, including a high-speed 2.5GbE interface for rapid file transfers. For enhanced workflow efficiency, the DS425+ features two integrated M.2 NVMe SSD slots , allowing for advanced data caching without occupying any of the four main drive bays. This 4-bay system supports 3.5″ SATA HDDs and 2.5″ SATA SSDs , providing a massive capacity for high-stakes backups and media management in a whisper-quiet chassis rated at just 21.6 dB(A) .
Equipped with a robust power management system, the DS425+ handles continuous operation with specialized features such as Power Recovery and scheduled power on/off. The hardware architecture includes dual 92 mm system fans with multiple speed modes to maintain optimal temperatures while consuming only 28.25 watts during active access. Backed by a 3-year hardware warranty —extendable to 5 years—this station ensures you maintain optimal connectivity and data security in a grounded, professional-grade package.
| Feature | Details |
| CPU Model | Intel Celeron J4125 (4-core up to 2.7 GHz) |
| System Memory | 2 GB DDR4 (Expandable to 6 GB) |
| Main Drive Bays | 4 x 3.5″ or 2.5″ SATA (Hot Swappable) |
| M.2 Drive Slots | 2 x M.2 2280 NVMe SSD |
| External Ports | 1 x 2.5GbE, 1 x 1GbE, 2 x USB 3.2 Gen 1 |
| Cooling System | Dual 92 mm Fans |
| Dimensions | 166 mm x 199 mm x 223 mm |
| Warranty | 3-Year Hardware (Extendable) |
| SKU | DS425+ |
| Brand | Synology |
