DS420j is a 4-bay desktop NAS designed for home data backup, file syncing, and sharing.
| Product Description | Synology Disk Station DS420j - NAS server | Device Type | NAS server | Host Connectivity | Gigabit Ethernet | Installed Devices / Modules Qty | 0 (installed) / 4 (max) | Dimensions (WxDxH) | 16.8 cm x 23 cm x 18.4 cm | Weight | 2.21 kg () | Processor | 1 x Realtek Semiconductor RTD1296 1.4 GHz (Quad-Core) | Storage Controller | RAID RAID 0, 1, 5, 6, 10, JBOD | Networking | 10Mb LAN, 100Mb LAN, GigE | RAM | 1 GB | Power | AC 120/230 V (50/60 Hz) | Manufacturer Warranty | 2-year warranty |
General | |
| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet |
| Total Storage Capacity | 0 GB |
| Installed Devices / Modules Qty | 0 (installed) / 4 (max) |
| Width | 16.8 cm |
| Depth | 23 cm |
| Height | 18.4 cm |
| Weight | 2.21 kg () |
Processor / Memory | |
| Processors Installed | 1 x Realtek Semiconductor RTD1296 1.4 GHz |
| Number of Cores | Quad-Core |
| Max Supported Qty | 1 |
| RAM | 1 GB DDR4 |
Storage Controller | |
| Type | RAID |
| RAID Level | RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD |
Networking | |
| Data Link Protocol | 10Mb LAN, 100Mb LAN, GigE |
| Network / Transport Protocol | PPTP, L2TP, IPSec, SMTP, POP3, IMAP |
| Remote Management Protocol | SNMP, Telnet, HTTPS, SSH |
| Network Services Compatibility | Microsoft Active Directory (AD), Microsoft CIFS, Network File System (NFS), FTP, Server Message Block (SMB), Apple File Protocol (AFP), Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV) |
| Features | Firewall protection, hardware encryption, LDAP support, wake on LAN (WOL), download client, Access Control List (ACL) support, SSH support, iTunes server, Samba support, FTP server, reset button, bandwidth control, surveillance station, Energy Efficient Ethernet, WebDAV server, 4K resolution support, cloud backup, VPN Server, security lock slot (cable lock sold separately), 2 fans, Dropbox support, automated backup scheduling, Wi-Fi USB dongle support, Link Aggregation, Google Drive support, failover protection, Amazon Cloud Drive support, Yandex Disk support, Microsoft OneDrive support, OpenStack compatible, Full HD (1920 x 1080) streaming video support, file station, hubiC support, OpenStack Swift-compatible, WebDAV server support, Baidu cloud support |
| Compliant Standards | DLNA CERTIFIED, UPnP |
Security DVR | |
| Compression Format | MPEG-4, MPEG-2, H.265, HEVC, VC-1 |
| Image Resolution | 1280x720, 1920x1080, 2048x1536, 2591x1944, 3840x2160, 4096x2160 |
Expansion / Connectivity | |
| Expansion Bays | 4 (total) / 4 (free) x internal - 2.5" / 3.5" |
| Interfaces | 2 x USB 3.0 , 1 x Ethernet 1000Base-T - RJ-45 |
Miscellaneous | |
| Cables Included | 1 x network cable |
| Features | Security lock slot (cable lock sold separately) |
| Security Slot Type | Kensington security slot |
| Compliant Standards | FCC Class B certified, RoHS, BSMI Class B |
| Included Accessories | Accessory pack |
Power | |
| Power Device | External power adapter |
| Voltage Required | AC 120/230 V (50/60 Hz) |
| Power Consumption Operational | 21.71 Watt |
| Power Provided | 90 Watt |
Manufacturer Warranty | |
| Service & Support | Limited warranty - 2 years |
Environmental Parameters | |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 40 °C |
| Humidity Range Operating | 5 - 95% (non-condensing) |
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