Synology  DiskStation DS425+ 4-Bay NAS Server Specs

Key Specs
RAID
Yes: Supported RAID Modes: 0 / 1 / 5 / 6 / 10 / JBOD / Basic / Hybrid
Number of Bays
4x 2.5"/3.5" SATA III (Hot-Swap)
2x M.2 (2280) NVMe
Inputs/Outputs
1x RJ45 2.5GbE
1x RJ45 Gigabit Ethernet
2x USB-A 3.0 / 3.1/3.2 Gen 1
Computing
CPU
Quad-Core: 2 to 2.7 GHz
Processor
Intel Celeron J4125 (10 W TDP)
Memory
2 GB DDR4
RAM Configuration / Capacity
Onboard 2 GB / 1 Slots Supporting up to 4 GB
Drives
RAID
Yes: Supported RAID Modes: 0 / 1 / 5 / 6 / 10 / JBOD / Basic / Hybrid
Transfer Rates
278 MB/s (Read)
281 MB/s (Write)
General
Number of Bays
4x 2.5"/3.5" SATA III (Hot-Swap)
2x M.2 (2280) NVMe
Inputs/Outputs
1x RJ45 2.5GbE
1x RJ45 Gigabit Ethernet
2x USB-A 3.0 / 3.1/3.2 Gen 1
Media Card Slots
No
PCI Expansion
No
Networking
Link Aggregation and Failover Support
Yes
iSCSI Support
Yes
Software
Installed Operating System
No
OS Compatibility
Windows
macOS
Linux
UNIX
Mobile App Compatible
No
Security
Encryption
Yes, AES-NI (Hardware-Based)
Security Features
No
VPN Connections
4 (Server)
Electrical
Input Power
100 to 240 VAC, 50 / 60 Hz
Power Consumption
28.25 W (Typical)
6.1 W (Standby)
PSU
1 x 90 W
Physical
Operating Conditions
32 to 104°F / 0 to 40°C
Storage Conditions
-5 to 140°F / -20 to 60°C
Certifications
BIS, BSMI, CCC, CE, EAC, FCC, KC, RCM, UKCA, VCCI
Cooling
2x 92 mm Fans
Noise Level
21.6 dBA
Dimensions
8.8 x 7.8 x 6.5" / 223 x 199 x 166 mm
Weight
4.6 lb / 2.1 kg
Packaging Info
Package Weight
7.535 lb
Box Dimensions (LxWxH)
11.3 x 10.3 x 9.6"