Scan code: LN108783 Manufacturer code: ds420+

Synology DiskStation DS420+ 4 Bay Desktop NAS Enclosure

4 Bay Synology DiskStation DS420+ Desktop NAS, Intel Celeron J4025 Dual Core, 2GB DDR4, 2.5"/3.5" SATA, GbE, 2xUSB 3.0

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Scan code: LN108783 Manufacturer code: ds420+
Order now and receive it by Friday, 1st July
Get it Friday, 01 JulIn stock
From £20.69 / month (APR 5.9%) or 0% for 4 months
Monthly Payment: £40.23
Instalment Rate: 5.9% p.a. (fixed)
Cost of purchase: £467.99
Total inc. interest: £482.68
Monthly Payment: £20.69
Instalment Rate: 5.9% p.a. (fixed)
Cost of purchase: £467.99
Total inc. interest: £496.48
Minimum Spend: £99
Instalment Rate: N/A
Cost of purchase: £99
Total inc. interest: £99
If you are approved for a credit limit with PayPal Credit and use it for future purchases, the APR for those purchases won't be more than 21.9% and may be even lower.

Representative Example:

Purchase Rate: 21.9% p.a. (variable)

Representative: 21.9% APR (variable)

Assumed Credit Limit: £1,200

Subject to status. Terms and Conditions apply.
With a 10% deposit from just £11.69 / month (APR 15.9%)
Delivery Options
  • By DPD On 1st Jul to your specified address. | £11.50 Receive SMS with one-hour delivery window Weekend, timed and European delivery options are available at checkout

    Have your parcel delivered by DPD to your specified address. Receive SMS with one-hour delivery window

    Weekend, timed and European delivery options are available at checkout
  • Collect instore Collect from our Bolton store, BL6 6PE | Free

    Order online, collect from our Bolton store (25-28 Enterprise Park, Middlebrook, Horwich, Bolton, BL6 6PE)

  • SCANPROTECT Protect against installation damage for 28 days. More info

    ScanProtect is an enhanced warranty specifically designed and offered by Scan to reduce the risk of any mishap or damage to components during installation.

    Our aim with ScanProtect is to encourage our customers to upgrade or build their own PC confidently. For a small additional fee our customers are provided with complete peace of mind.

  • 48HR REPLACEMENT If you need to return this item, your replacement will be dispatched within 2 working days of your product arriving back at Scan. More info
Frequently Bought Together
Product Overview

High Performance NAS with SSD Cache Acceleration Capability

Synology DS420+ is designed for IT enthusiasts and home users. Equipped with a 2-core processor and built-in M.2 NVMe 2280 SSD slots for cache acceleration, DS420+ is ideal for data sharing, video streaming, and photo indexing.

Boost Performance with Built-In SSD Slots

DS420+ provides two built-in M.2 SSD slots so that you can take full advantage of Synology SSD Cache functionality. Add SSD cache for up to 20 times faster I/O response without using front drive bays.

Accelerate Demanding Applications

A more powerful CPU speeds up computing-intensive applications. The new 2-core processor boosts photo indexing, database response times, and web PHP response efficiency. Easily categorise your photo memories, smoothly manage files across computers and mobile devices, and enjoy blazing fast web applications.

Access and Sync Your Files Seamlessly

Synology Drive provides a built-in universal portal to access your data anytime and anywhere, and synchronize all your files across platforms, including Windows, macOS, Linux, Android, and iOS.
• 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.

Your Personal Entertainment and Multimedia Hub

Access multimedia content anytime, anywhere through an intuitive web-based interface.

Audio Station

Audio Station is your personal music centre, designed to intelligently sort and organise your audio files, and stream to Google Cast enabled devices. Audio Station supports lossless formats to ensure pristine audio quality.


Organize your photos intelligently with Moments, a modern, AI-enabled photo management application that lets you effortlessly preserve your precious memories.

Video Station

Video Station lets you easily manage and organize movies, TV shows, and home videos, and stream content to computers, smartphones, and media players.

Seamless Integration with Your Mobile Devices

Synology mobile applications are designed to allow quick and secure access to your data wherever you are.

Engineered for Reliability, Backed by Synology

DS420+ is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.


Desktop Backup: Simplified backup solution for your Mac, PC, and mobile devices.
DSM UI: Award-winning operating system with an intuitive user interface and powerful capabilities.
Snapshot Replication: Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.
Synology Drive: A versatile solution for file management and synchronization.
File Server/Management: Powerful built-in file management and sharing services.
Security: Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.

Edition DS420+
NAS Form Factor Desktop
Bays 4 Bay
Total Storage Included N/A
Type of Drives Included  
Edition of Drives Included  
Capacity of Drives Included  
Max. Storage Capacity 64 TB
Drive Interface Support
  • 2 x M.2 PCIe
  • 4 x SATA III - 6Gb/s
Drive Form Factor Support
  • 4 x 2.5"/3.5"
  • 2 x M.2 (2280)
Internal Flash Memory No
Internal Flash Memory Capacity  
DOM Module No
DOM Capacity  
CPU Type Intel Celeron
CPU Model J4025
CPU Cores Dual Core
CPU Speed 2.0 GHz
RAM Memory Included 2GB
RAM Memory Type DDR4
Max. RAM Memory Supported 6GB (2GB+4GB)
Cache Drive Interface  
Included Cache Drive Capacity  
Included Cache Drive Type  
LAN Type 10/100/1000
Expansion Slots  
External Connectivity
  • 2 x RJ45
  • 2 x USB 3.0
Cooling Fan
Noise Level 19.8 dB(A)
PSU Type Internal
PSU Wattage 90 W
Max. Power Consumption 28.30 W
Physical Security Kensington Lock Slot
Dimensions 199 x 166 x 223 (WxHxD mm)
Weight 2.18 kg
Additional Information
Scan Code LN108783
Model Number ds420+
GTIN 4711174723188

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

36 months
Return to base
DOA Period:
7 days
RTB Period:
1 months
Manufacturer Contact Details
+44 (0)1908 274659

Quad core or 2 core?

Why does description say Intel "Celeron J4025 Quad Core" but the verview and specification say dual core? Which is correct?
Asked by: jesta777
The DS420+ and DS220+ both have Dual Core. Synology Specs; CPU Model Intel Celeron J4025 CPU Architecture 64-bit CPU Frequency 2-core 2.0 (base) / 2.9 (burst) GHz
Answered by: NigelP
Date published: 2020-09-07
  • y_2020, m_9, d_10, h_15CST
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Synology DiskStation DS420+ 4 Bay Desktop NAS Enclosure
Synology DiskStation DS420+ 4 Bay Desktop NAS Enclosure