-Dependable Performance Up to 522/565 MB/s sequential read/write throughput3 supports stable data transfers
-Fast and Flexible Networking Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy
-Versatile Network Storage Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions
-Capacity Expansion Add 5 extra drive bays for up to 180 TB of storage with one DX525 expansion unit
Hardware Specifications
CPU
CPU Model: AMD Ryzen V1500B
CPU Quantity	: 1
CPU Core	: 4
CPU Architecture	: 64-bit
CPU Frequency	: 2.2 GHz
Hardware Encryption Engine: Yes
Memory
System Memory	: 4 GB DDR4 ECC SODIMM
Memory Module Pre-installed	: 4 GB (4 GB x 1)
Total Memory Slots	: 2
Maximum Memory Capacity	: 32 GB (16 GB x 2)
Storage
Drive Bays	: 4
Maximum Drive Bays with Expansion Unit	: 9 (DX525 x 1)
M.2 Drive Slots	: 2 (NVMe)
Drive Type: (See all supported drives)
3.5″ SATA HDD
2.5″ SATA SSD
M.2 2280 NVMe SSD
Hot Swappable Drive*	: Yes
External Ports
RJ-45 2.5GbE LAN Port	: 2
USB 3.2 Gen 1 Port	: 2
Expansion Port	: 1
Expansion Port Type	: USB Type-C
Appearance
Size (Height x Width x Depth)	: 166 mm x 199 mm x 223 mm
Weight	: 2.26 kg
Others
System Fan	: 92 mm x 92 mm x 2 pcs
Fan Speed Mode	: Full-Speed Mode, Cool Mode, Quiet Mode
Brightness Adjustable Front LED Indicators
Power Recovery	: Yes
Noise Level*	: 20.5 dB(A)
Scheduled Power On / Off	: Yes
Wake on LAN / WAN	: Yes
Power Supply Unit / Adapter	: 100 watts, 120 watts*
AC Input Power Voltage	: 100V to 240V AC
Power Frequency	: 50/60 Hz, Single Phase
Power Consumption*	: 37.91 watts (Access), 12.33 watts (HDD Hibernation)
British Thermal Unit	: 129.27 BTU/hr (Access), 42.05 BTU/hr (HDD Hibernation)
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
Environment: RoHS Compliant
Packaging Content:
Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
https://www.synology.com/en-af/products/DS925+

