-Compact 4-bay – Up to 80 TB of raw storage
-Speedy storage – Built-in 2.5GbE port and over 278/281 MB/s sequential read/write
-Versatile applications – Back up multiple endpoints, manage 40 IP cameras, or safely sync and share files across sites
Hardware Specifications
CPU
CPU Model: Intel Celeron J4125
CPU Quantity : 1
CPU Core : 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)
Storage
Drive Bays : 4
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 1GbE LAN Port : 1
RJ-45 2.5GbE LAN Port : 1
USB 3.2 Gen 1 Port : 2
Notes : This device’s 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes
Appearance
Size (Height x Width x Depth) : 166 mm x 199 mm x 223 mm
Weight : 2.18 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 : 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)
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-global/products/DS425+
