Synology DiskStation DS420J NAS/storage server Compact Realtek RTD1296 1 GB DDR4 0 TB DiskStation Manager Black
- 64-bit 4-core 1.4 GHz
- Over 112 MB/s encrypted reading and writing
- Maximum 64 TB raw capacity
- 7.88 W in hibernation mode
Build a private cloud for your home
DS420j is a 4-bay desktop NAS designed for home data backup, file syncing, and sharing. Supporting up to 64 TB raw capacity, you can easily centralize all your multimedia collections.
Manage your photo collections
Smartly organize your photos with Synology Moments, a modern, AI-enabled photo management application that allows you to preserve your precious memories effortlessly.
Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to your favorite devices such as computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Seamless integration with your mobile devices
Synology mobile applications are designed to allow quick and secure access to your data wherever you are.
Cross-platform file syncing and sharing
Synology Drive allows you to sync files across Windows, macOS, Linux, and mobile devices, keeping everything up-to-date.
– Sync files on demand: Save the storage space and network bandwidth of your PC.
– Go back in time: Easily retrieve previous versions of your shared files.
– Back up your data: Protect your files as scheduled or in real-time.
Reliable and efficient backup options
Synology Hyper Backup is a reliable and multi-directional backup solution offering data deduplication and compression. You can back up from various source folders, including external USB drives, another Synology NAS, rsync servers, or from public cloud services like Google Drive or Synology C2, and protect your data against malicious attacks and encryption-based ransomware threats.
| Storage | |
|---|---|
| Supported file systems | Fat, HFS+, NTFS, ext3, ext4 |
| RAID levels | 0, 1, 5, 6, 10, JBOD |
| RAID support | Yes |
| Maximum supported storage capacity | 64 TB |
| Storage drive sizes supported | 2.5,3.5″ |
| Supported storage drive interfaces | Serial ATA, Serial ATA II, Serial ATA III |
| Storage drive capacity | 0 GB |
| Supported storage drive types | HDD & SSD |
| Installed storage drive type | No |
| Number of storage drives supported | 4 |
| Total installed storage capacity | 0 TB |
| Storage drives installed | No |
| Processor | |
|---|---|
| Processor operating modes | 64-bit |
| Processor cores | 4 |
| Processor frequency | 1.4 GHz |
| Processor model | RTD1296 |
| Processor family | Realtek |
| Processor manufacturer | Realtek |
| Memory | |
|---|---|
| ECC | No |
| Internal memory type | DDR4 |
| Internal memory | 1 GB |
| Network | |
|---|---|
| Supported network protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
| Wake-on-LAN ready | Yes |
| iSCSI support | Yes |
| Wi-Fi | No |
| Ethernet LAN data rates | 1000 Mbit/s |
| Ethernet LAN | Yes |
| Ports & interfaces | |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB port | Yes |
| Ethernet LAN (RJ-45) ports | 1 |
| Design | |
|---|---|
| Cable lock slot type | Kensington |
| Cable lock slot | Yes |
| LED indicators | HDD, LAN, Power, Status |
| Fan diameter 2 | 8 cm |
| Fan diameter | 8 cm |
| Number of fans | 2 fan(s) |
| Product colour | Black |
| Cooling type | Active |
| Chassis type | Compact |
| Performance | |
|---|---|
| On/off switch | Yes |
| Browser supported | Chrome, Firefox, Edge, Internet Explorer 10+, Safari 10+ |
| Access Control List (ACL) | Yes |
| System log | Yes |
| Reset button | Yes |
| Built-in FTP server | Yes |
| Web-based management | Yes |
| Management protocols | CIFS/AFP/NFS/FTP/WebDAV |
| Noise level | 20.6 dB |
| Number of users | 1024 user(s) |
| Multilingual support | Yes |
| Backup features | Cloud, iSCSI LUN |
| Backup function | Yes |
| Device class | Home & Home Office |
| Type | NAS |
| Software | |
|---|---|
| Mac operating systems supported | Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8, Windows 8.1 |
| Operating system installed | DiskStation Manager |
| Power | |
|---|---|
| AC input frequency | 50 – 60 Hz |
| AC input voltage | 100 – 240 V |
| Power consumption (HDD standby) | 7.88 W |
| Power consumption (typical) | 21.71 W |
| Number of power supply units | 1 |
| Power supply unit (PSU) capacity | 90 W |
| Power supply location | External |
| Weight & dimensions | |
|---|---|
| Weight | 2.21 kg |
| Height | 184 mm |
| Depth | 230 mm |
| Width | 168 mm |
| General | |
|---|---|
| Product family | DiskStation |
| Packaging content | |
|---|---|
| Quick installation guide | Yes |
| Cables included | AC, LAN (RJ-45) |
| External power adapter | Yes |
| Operational conditions | |
|---|---|
| Storage temperature (T-T) | -20 – 60 °C |
| Storage relative humidity (H-H) | 5 – 95% |
| Operating altitude | 0 – 5000 m |
| Operating relative humidity (H-H) | 5 – 95% |
| Operating temperature (T-T) | 0 – 40 °C |
| Logistics data | |
|---|---|
| Harmonized System (HS) code | 84714100 |
| Other features | |
|---|---|
| Certification | FCCCEEACBSMIVCCICCCRCM |
| Compliance certificates | RoHS |
- leaflet
- manual pdf
