Synology DS725+

Versatile 2-Bay Storage Solution with Expandable Capacity

The Synology DS725+ is a capable 2-bay NAS solution that can adapt to growing storage demands. It optionally supports up to seven drives and features two M.2 slots for SSD caching. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.

Dependable Performance : Up to 276/224 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
Capacity Expansion : Add 5 extra drive bays for up to 140 TB of storage with one DX525 expansion unit
Extendable Product Support : Backed by Synology’s 3-year limited hardware warranty, extendable to 5 years in select markets

Specifications :

Hardware Specifications		DS725+	DS725neo+
CPU	CPU Model	AMD Ryzen R1600	AMD Ryzen R1600
	CPU Quantity	1	1
	CPU Cores	2	2
	CPU Threads	4	4
	CPU Architecture	64-bit	64-bit
	CPU Frequency	2.6 (base) / 3.1 (turbo) GHz	2.6 (base) / 3.1 (turbo) GHz
	Hardware Encryption Engine	Yes	Yes
Memory	System Memory	4 GB DDR4 ECC SODIMM	4 GB DDR4 non-ECC SODIMM
	Memory Module Pre-installed	4 GB (4 GB × 1)	4 GB (4 GB × 1)
	Total Memory Slots	2	2
	Maximum Memory Capacity	32 GB (16 GB × 2)	32 GB (16 GB × 2)
	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. For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage	Drive Bays (See all supported drives)	2 × 3.5″ SATA HDD or 2.5″ SATA SSD 2 × M.2 2280 NVMe SSD	2 × 3.5″ SATA HDD or 2.5″ SATA SSD 2 × M.2 2280 NVMe SSD
	Maximum Drive Bays with Expansion Unit	7 (DX525 × 1)	7 (DX525 × 1)
	Hot Swappable Drive*	Yes	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	1
	RJ-45 2.5GbE LAN Port	1	1
	USB 3.2 Gen 1 Port	1	1
	Expansion Port	1	1
	Expansion Port Type	USB Type-C	USB Type-C
	Notes	MTU value of 1GbE LAN port has a limit of 1500.
Appearance	Size (Height × Width × Depth)	166 mm × 106 mm × 223 mm	166 mm × 106 mm × 223 mm
Appearance	Weight	1.51 kg	1.51 kg
Others	System Fan	92 mm × 92 mm × 1 pcs	92 mm × 92 mm × 1 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode	Full-Speed Mode Cool Mode Quiet Mode
	Brightness Adjustable Front LED Indicators	Yes	Yes
	Power Recovery	Yes	Yes
	Noise Level	17.9 dB(A)	17.9 dB(A)
	Scheduled Power On / Off	Yes	Yes
	Wake on LAN / WAN	Yes	Yes
	Power Supply Unit / Adapter	65 watts	65 watts
	AC Input Power Voltage	100V to 240V AC	100V to 240V AC
	Power Frequency	50/60 Hz, Single Phase	50/60 Hz, Single Phase
	Power Consumption	20.41 watts (Access) 7.87 watts (HDD Hibernation)	20.41 watts (Access) 7.87 watts (HDD Hibernation)
	British Thermal Unit	69.61 BTU/hr (Access) 26.84 BTU/hr (HDD Hibernation)	69.61 BTU/hr (Access) 26.84 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 HDDs and in an idle state. Two G.R.A.S. Type 40AE microphones are 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)	0°C to 40°C (32°F to 104°F)
	Storage Temperature	-20°C to 60°C (-5°F to 140°F)	-20°C to 60°C (-5°F to 140°F)
	Operating Humidity	8% to 80% RH	8% to 80% RH
	Storage Humidity	5% to 95% RH	5% to 95% RH
Certification		FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS	FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS
Warranty		3-year hardware warranty, extendable to 5 years with EW201	3-year hardware warranty, extendable to 5 years with EW201
Warranty	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	RoHS Compliant
Packaging Content		Main Unit × 1 Accessory Pack × 1 AC Power Adapter × 1 AC Power Cord × 1 RJ-45 LAN Cable × 2	Main Unit × 1 Accessory Pack × 1 AC Power Adapter × 1 AC Power Cord × 1 RJ-45 LAN Cable × 2
Optional Accessories		DDR4 ECC SODIMM: D4ES04-4G/D4ES03-8G/D4ES03-16G Expansion Units: DX525 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	DDR4 non-ECC SODIMM: D4NS01-4G DDR4 ECC SODIMM: D4ES04-4G/D4ES03-8G/D4ES03-16G Expansion Units: DX525 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