Scan code: LN113135 Manufacturer code: DS1821+

Synology DS1821+ 8 Bay Desktop Enclosure

8 Bay Synology DS1821+ Desktop NAS, Quad Core AMD Ryzen, 4GB DDR4 ECC, 2.5"/3.5" SATA3, 2x M.2 NVMe, 4xGbE, 4x USB 3.0

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Scan code: LN113135 Manufacturer code: DS1821+
£964.99Item currently awaiting an ETA
Pre order
From £29.25 / month (APR 5.9%) or 0% for 4 months
Monthly Payment: £82.94
Instalment Rate: 5.9% p.a. (fixed)
Cost of purchase: £964.99
Total inc. interest: £995.30
Monthly Payment: £42.66
Instalment Rate: 5.9% p.a. (fixed)
Cost of purchase: £964.99
Total inc. interest: £1,023.83
Monthly Payment: £29.25
Instalment Rate: 5.9% p.a. (fixed)
Cost of purchase: £964.99
Total inc. interest: £1,052.85
Minimum Spend: £99
Instalment Rate: N/A
Cost of purchase: £99
Total inc. interest: £99
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Representative: 21.9% APR (variable)

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With a 10% deposit from just £24.10 / month (APR 15.9%)
Delivery Options
  • By DPD 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
Product Overview

Designed for Scalability and Performance

The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.

A Powerhouse on All Fronts

The DS1821+ can handle demanding application workloads and a greater number of concurrent users. Experience faster file indexing in Synology Drive, photo organiSation in Moments, and more responsive web services.

2 x M.2 NVMe

Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more.

10GbE Support

Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows.

*10GbE network add-in cards sold seperately.

Storage Expansion

Supports two DX517 expansion units for a total of 18 bays.

*Expansion units sold seperately.

Ultimate File Management and Sharing

File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organisation and file sharing. For complete compatibility, DS1821+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

Fully Certified Storage Virtualisation Solutions

Synology iSCSI storage fully supports most virtualisation solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimises computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Ultimate Backup Solution

DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

Active Backup for Business - Centralise backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Hyper Backup - Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
Drive Package - Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Active Backup for Microsoft 365 / G Suite - Protect corporate data stored on the cloud. On-premise backup solution with a centralised dashboard. Optimise storage efficiency with single instancing and block-level deduplication technology.

Engineered for Reliability, Backed by Synology

DS1821+ 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.

Powered by Synology DSM

Central Management System - Manage multiple Synology NAS servers simultaneously on a centralised interface to increase business efficiency.
Synology MailPlus - Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Synology High Availability - Seamless transition between clustered servers in the event of a server failure to minimise the impact on applications.
Security - Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.
Synology Drive - A versatile solution for file management and synchronisation.
Surveillance Station - Complete surveillance solution for recording, monitoring, and management.


• CPU: AMD Ryzen™ Quad-core 2.2 GHz.
• Memory: 4GB DDR4 ECC SODIMM included, upgradable to 32GB (16GB x2).
• Drive Bays: 8 bays compatible with 3.5" & 2.5" SATA HDD/SSDs, hotswappable.
• RJ-45: 4 GbE LAN ports.
• USB: 4x USB 3.0 ports.
• eSATA: 2 ports.
• PCIe Expansion: Gen3x8 slot (x4 link).
• Cooling: 120mm fans x2.
• Cache Acceleration: Dual M.2 2280 slots for NVMe Cache.
• Performance: 113K 4K random read IOPS.
• Scalability: Expand up to 18 drives with two DX517 expansion units.

Edition DiskStation DS1821+
NAS Form Factor Desktop
Bays 8 Bay
Total Storage Included N/A
Type of Drives Included  
Edition of Drives Included  
Capacity of Drives Included  
Max. Storage Capacity 108 TB
Drive Interface Support
  • 2 x eSATA
  • 2 x M.2 PCIe
  • 8 x SATA III - 6Gb/s
  • 4 x USB 3.0 Type-A
Drive Form Factor Support
  • 8 x 2.5"/3.5"
  • 2 x M.2
  • 1 x PCI-E
Internal Flash Memory No
Internal Flash Memory Capacity  
DOM Module No
DOM Capacity  
CPU Type  
CPU Model AMD Ryzen V1500B
CPU Cores Quad Core
CPU Speed 2.2 GHz
RAM Memory Included 4GB (1x4GB)
Max. RAM Memory Supported 32GB (2x16GB)
Cache Drive Interface  
Included Cache Drive Capacity  
Included Cache Drive Type  
LAN Type 10/100/1000
Expansion Slots 1 x PCIe 3.0 x8 (x4 Bandwidth)
External Connectivity
  • 2 x eSATA
  • 4 x GbE (RJ45)
  • 4 x USB 3.0 Type-A
Cooling Fan
Noise Level 22.2 dB(A)
PSU Type  
PSU Wattage 250 W
Max. Power Consumption 59.8 (Access), 26.18 (HDD Hibernation) W
Physical Security  
Dimensions 343 x 166 x 243 (WxHxD mm)
Weight 6 kg
Additional Information
Scan Code LN113135
Model Number DS1821+
GTIN 4711174723973

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
Synology DS1821+ 8 Bay Desktop Enclosure
Synology DS1821+ 8 Bay Desktop Enclosure