Synology DiskStation DS425+ - Network Attached Storage, 16 TB, Black
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Processor | |
| Processor model | J4125 |
| Processor manufacturer | Intel |
| Processor family | Intel Celeron |
| Processor cores | 4 |
| Processor threads | 4 |
| Processor boost frequency | 2.7 GHz |
| Processor frequency | 2 GHz |
| Thermal Design Power (TDP) | 10 W |
| Memory | |
| Internal memory type | DDR4 |
| Memory slots | 1 |
| ECC | ![]() |
| Maximum RAM supported | 6 GB |
| Internal memory | 2 GB |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB port | ![]() |
| Weight & dimensions | |
| Weight | 2.18 kg |
| Height | 166 mm |
| Width | 199 mm |
| Depth | 223 mm |
| Energy management | |
| Power consumption (typical) | 28.25 W |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Power supply location | External |
| Power supply unit (PSU) capacity | 90 W |
| Power consumption (HDD standby) | 6.1 W |
| Operational conditions | |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage relative humidity (H-H) | 5 - 95% |
| Networking | |
| Ethernet LAN | ![]() |
| Wake-on-LAN ready | ![]() |
| Ethernet LAN data rates | 2500 Mbit/s |
| iSCSI support | ![]() |
| Storage | |
| RAID levels | 0, 1, 5, 6, 10, JBOD |
| Supported file systems | BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| RAID support | ![]() |
| Number of storage drives supported | 4 |
| Storage drive sizes supported | 3.5,M.2,2.5 |
| Storage drives installed | ![]() |
| Maximum supported storage capacity | 80 TB |
| Number of storage drives installed | 4 |
| Installed storage drive type | HDD |
| Supported storage drive types | HDD & SSD |
| Hot-swap drive bays | ![]() |
| Storage drive capacity | 16 TB |
| Supported storage drive interfaces | M.2, Serial ATA |
| Online RAID expansion | ![]() |
| Number of M.2 (M & B) slots | 2 |
| Total installed storage capacity | 16 TB |
| Packaging content | |
| Cables included | AC, LAN (RJ-45) |
| External power adapter | ![]() |
| Power cables quantity | 1 |
| Other features | |
| Warranty period | 3 year(s) |
| Compliance certificates | RoHS |
| Design | |
| LED indicators | ![]() |
| Product colour | Black |
| Number of fans | 2 fan(s) |
| Cooling type | Active |
| Fan diameter | 9.2 cm |
| Drive bay locking | ![]() |
| Fan diameter 2 | 9.2 cm |
| Performance | |
| Type | NAS |
| Number of users | 512 user(s) |
| Noise level | 21.6 dB |
| Snapshot | ![]() |
| Web-based management | ![]() |
| Access Control List (ACL) | ![]() |
| Multilingual support | ![]() |
| On/off switch | ![]() |
| Device class | Home & Home Office |
| Backup function | ![]() |
| Backup features | Cloud, iSCSI LUN |
| System log | ![]() |
| EAN | |
| Warranty | 1 year |
The Synology DiskStation DS425+ is a 4-bay desktop NAS for home and small-office environments. It uses an Intel Celeron J4125 quad-core processor with a 2 GHz base clock and 2.7 GHz burst frequency. The system includes 2 GB of DDR4 RAM, expandable to 6 GB via a single slot. It features four hot-swappable drive bays pre-populated with 16 TB of storage. Two 2.5 GbE Ethernet ports handle networking for high-speed local transfers, and the device supports RAID 0, 1, 5, 6, 10, and JBOD for data redundancy and volume management.
Two internal M.2 NVMe slots allow for SSD caching to improve storage performance. Two 92 mm fans provide cooling, with an acoustic level of 21.6 dB during standard operation. External connectivity includes two USB 3.2 Gen 1 ports for peripherals or local data storage. The unit supports iSCSI LUN and snapshot technology for point-in-time data recovery and virtualization. Management is handled via the Synology DiskStation Manager web interface, which supports up to 512 users. Typical power consumption is 28.25 W, using the included 90 W external adapter.
Key Features:- Two 2.5 GbE Ethernet ports for high network performance.
- Intel Celeron J4125 quad-core processor with 2.7 GHz burst frequency.
- Two internal M.2 NVMe slots for SSD cache acceleration.
- Four hot-swappable bays with 16 TB of pre-installed HDD storage.
- Support for Btrfs and multiple RAID levels to ensure data integrity.
- Active cooling system with two 92 mm fans and a 21.6 dB noise rating.
- Web-based management interface supporting up to 512 users.
- Integrated support for iSCSI LUN and scheduled snapshots for data protection.
Estimated delivery: 22.09 - 28.09
Today: 10:00 - 18:00
Estimated delivery: 22.09 - 28.09
Today: 09:00 - 17:00
Estimated delivery: 22.09 - 28.09
Today: 10:00 - 17:00
Estimated delivery: 22.09 - 28.09
Today: 10:00 - 18:00
Estimated delivery: 22.09 - 28.09
Today: 10:00 - 17:00
Estimated delivery time: 22.09 - 28.09
Estimated delivery time: 22.09 - 27.09
Estimated delivery time: 23.09 - 28.09
Estimated delivery time: 23.09 - 28.09
Estimated delivery time: 23.09 - 27.09
Estimated delivery time: 22.09 - 28.09
Estimated delivery time: 22.09 - 28.09
Estimated delivery time: 23.09 - 27.09


