Synology DiskStation DS420+ 4 Bay Celeron Dual Core 2GB NAS
Intel Celeron J4025
2-core 2.0 (base) / 2.9 (burst) GHz
Hardware Encryption Engine (AES-NI)
2 GB DDR4 non-ECC
Total Memory Slots
Memory Expandable up to
6 GB (2 GB + 4 GB)
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.
Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Each internal volume (may consist of multiple drives) is expandable up to 108TB.
RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.0 Port
exFAT Access is purchased separately in Package Center.
Size (Height x Width x Depth)
166 mm x 199 mm x 223 mm
92 mm x 92 mm x 2 pcs
Fan Speed Mode
Brightness Adjustable Front LED Indicators
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
AC Input Power Voltage
100 V to 240 V AC
50/60 Hz, Single Phase
28.30 W (Access)
8.45 W (HDD Hibernation)
British Thermal Unit
96.63 BTU/hr (Access)
72.11 BTU/hr (HDD Hibernation)
Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%