Synology ds425+

Your Centralized Hub for Storage, Syncing, and Seamless Collaboration

The DS425+ delivers powerful functionality in a compact 4-bay, desktop-friendly design. Built-in 2.5GbE networking provides excellent network speeds out of the box. Powered by Synology DiskStation Manager (DSM), the DS425+ serves as a versatile all-in-one solution for data sharing, synchronization, backup, and surveillance.

Capable Performance : Up to 278/281 MB/s sequential read/write throughput supports stable data transfers
Fast Networking : Built-in 2.5GbE port for fast connectivity out of the box
Versatile Network Storage : Leverage built-in file and photo management, data protection, and surveillance solutions
Centralized Data Storage : Store up to 80 TB of data in one place, maintain 100% data ownership, and enjoy multi-platform access
Extendable Product Support : Backed by Synology’s 3-year limited hardware warranty, extendable to 5 years in select markets

Specifications :

Hardware Specifications
CPU	CPU Model	Intel Celeron J4125
	CPU Quantity	1
	CPU Cores	4
	CPU Threads	4
	CPU Architecture	64-bit
	CPU Frequency	2.0 (base) / 2.7 (turbo) GHz
	Hardware Encryption Engine	Yes
Memory	System Memory	2 GB DDR4 non-ECC
	Total Memory Slots	1
	Maximum Memory Capacity	6 GB (2 GB + 4 GB)
	Notes	Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
Storage	Drive Bays (See all supported drives)	4 × 3.5″ SATA HDD or 2.5″ SATA SSD 2 × M.2 2280 NVMe SSD
	Hot Swappable Drive*	Yes
	Notes	The hot swappable drive feature is not supported by M.2 SSD slots. Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. SSD cache can be enabled with select compatible SSD. See the compatibility list for model-specific support and details. SSDs are sold separately.
External Ports	RJ-45 1GbE LAN Port	1
	RJ-45 2.5GbE LAN Port	1
	USB 3.2 Gen 1 Port	2
	Notes	MTU value of 1GbE LAN port has a limit of 1500.
Appearance	Size (Height × Width × Depth)	166 mm × 199 mm × 223 mm
	Weight	2.18 kg
Others	System Fan	92 mm × 92 mm × 2 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Brightness Adjustable Front LED Indicators	Yes
	Power Recovery	Yes
	Noise Level	21.6 dB(A)
	Scheduled Power On / Off	Yes
	Wake on LAN / WAN	Yes
	Power Supply Unit / Adapter	90 watts
	AC Input Power Voltage	100V to 240V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption	28.25 watts (Access) 6.10 watts (HDD Hibernation)
	British Thermal Unit	96.33 BTU/hr (Access) 20.79 BTU/hr (HDD Hibernation)
	Notes	For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.
Temperature	Operating Temperature	0°C to 40°C (32°F to 104°F)
	Storage Temperature	-20°C to 60°C (-5°F to 140°F)
	Operating Humidity	8% to 80% RH
	Storage Humidity	5% to 95% RH
Certification	FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS
Warranty	3-year hardware warranty, extendable to 5 years with EW201
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) EW201/EW202 is only available in Asia, Africa, and Oceania. Refer to the Extended Warranty website for details on supported countries/regions. (Learn more)
Environment	RoHS Compliant
Packaging Content	Main Unit × 1 Accessory Pack × 1 AC Power Adapter × 1 AC Power Cord × 1 RJ-45 LAN Cable × 2
Optional Accessories	DDR4 non-ECC SODIMM: D4NS01-4G Enterprise Series 3.5″ SATA HDD: HAT5300 Series Plus Series 3.5″ SATA HDD: HAT3300 Series Enterprise Series 2.5″ SATA SSD: SAT5200 Series Enterprise Series M.2 2280 NVMe SSD: SNV3400 & SNV5400 Series