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| DS420+

Synology DS420+ network attached storage (NAS) device, 4-bay, up to 64TB storage

Free delivery on mainland UK and most EU countries. Check delivery charges to where you are.
  • Up to 64TB of storage
  • 4-bay NAS device
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This product is discontinued, for alternatives please see Wisenet NVRs and VMS

Overview of the Synology DS420+

This Network Attached Storage (NAS) device by Synology offers a secure data management and storage solution for video data files. Featuring four drive bays, it is able to house a maximum of 64TB of storage and can be supplied with Western Digital Purple hard drives (fitting required).

With an Intel Celeron 2-core processor and Link aggregation enabled, this unit can deliver average reading speeds of 226 MB/s and writing speeds of 225 MB/s. Dual 1 GbE ports feature failover protection, and 2 integrated USB 3.0 ports allow for external storage devices to be connected – for fast and efficient file transfer. Additionally, the drive bays’ hot-swappable design reduces system downtime during maintenance and makes disk replacing a simple task.

Ideal for small-scale businesses, Windows AD and LDAP support allows quick and seamless integration into existing networks. A host of helpful add-on applications and features are also available, which allow for effective management of drives and data – helping users utilise their NAS device to the fullest.

This high-performing unit can be supplied with a choice of up to four 16TB WD Purple hard drives (fitting required). These drives have been specially designed for demanding video surveillance applications. (Please select storage from the dropdown menu above).

Key features & benefits

  • Network Attached Storage (NAS) device delivers secure storage and management of data files
  • Capable of supporting up to 64TB of storage across 4 drive-bays – optional WD Purple hard drives available (fitting required)
  • Fast file transfer support with powerful 2-core processor and hardware accelerated encryption
  • Provides up to 226 MB/s reading speeds 225 MB/s writing speeds with Link aggregation
  • Dual LAN failover support helps ensure continual network uptime
  • Two USB 3.0 ports enable quick transfer of files onto external storage devices
  • Hot-swappable design facilitates quick installation and easy maintenance of disks
  • Easy integration into an existing network with Windows AD and LDAP support

Typical applications

The Synology DS420+ 4-bay Network Attached Storage (NAS) device provides up to 64TB of storage and is a versatile solution for management of data and storage. Typical applications include small offices, motels and leisure centres.



  • Quick installation guide
  • Accessory pack
  • AC power cord
  • 2 x RJ-45 LAN cable

Optional (please select from above dropdown menu if required):

  • Storage
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Key technical features for Synology DS420+

NAS device
Form factor: desktop
CPU: Intel Celeron J4025 2-core 2.0 GHz, burst up to 2.9 GHz
OS: Synology Surveillance Station
Storage: 4 drive bays, up to 64TB storage, please select storage capacity from the above dropdown menu 
RAID: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Back up: failover support
Other: hot swappable
LAN: 2 x Gigabit (RJ-45)
USB: 2 x USB 3.0
Power: 100-240V, AC power adapter included
Access and use
Access: web browser interface, smart device
Protocols supported: SMB, AFP, NFS, FTP, WebDAV. CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP)
Client: Windows 7 onwards, Mac OS 10.12 onward
Dimensions: 166 x 199 x 223 mm
Weight: 2.18kg
Operating temperature: 0°C to 40°C
Warranty: 3 years
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