£492.42

Synology DX517 5 Bay Desktop Network Attached Storage Expansion Enclosure, Black

Brushed Aluminum, DX517

Price data checked 2 days ago

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

About as cheap as it gets. The only time it was cheaper was 1 month ago.

£492 today · all-time low £481 (May 2026) · usually £491

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 89 days • 89 data points

Historical
Generating forecast...
£515.71 £477.44 £485.79 £494.14 £502.49 £510.84 £519.19 13 March 2026 04 April 2026 26 April 2026 18 May 2026 09 June 2026

Price Distribution

Price distribution over 89 days • 5 price ranges

Days at Price
Current Price
9 days 28 days · current 5 days 26 days 21 days 0 7 14 21 28 £481-488 £488-495 £495-502 £502-509 £509-516 Days at Price

Price Analysis

Most common range: £488-495 (28 days, 31.5%)

Price range: £481 - £516

Price levels: 5 price ranges over 89 days

Key Features

Online volume expansion

Dedicated local backup solution

Hot-swappable drive tray design

Synchronised system operation with DiskStation

Product Specifications

Model
DX517
Colour
Brushed Aluminum
Size
Enclosure
Domain
Amazon UK
Release Date
13 April 2017
Listed Since
23 March 2017

Barcode

No barcode data available

Similar Products You Might Like

Synology 5-Bay Expansion Unit DX525 (Diskless)
97% match

Synology 5-Bay Expansion Unit DX525 (Diskless)

Synology

£483.14 26 Jan 2026
Synology DS420+ 24TB 4 Bay Desktop NAS Solution, installed with 4 x 6TB Toshiba N300 Drives
97% match

Synology DS420+ 24TB 4 Bay Desktop NAS Solution, installed with 4 x 6TB Toshiba N300 Drives

Synology

Out of Stock 11 Jan 2026
Synology DiskStation DS124 1 Bay Desktop NAS
97% match

Synology DiskStation DS124 1 Bay Desktop NAS

Synology

£139.97 13 Jan 2026
Synology DS220j 12TB 2 Bay Desktop NAS Solution | Installed with 2 x 6TB Toshiba N300 Drives
97% match

Synology DS220j 12TB 2 Bay Desktop NAS Solution | Installed with 2 x 6TB Toshiba N300 Drives

Synology

£525.35 08 Jan 2026
SYNOLOGY Diskstation DS1825+
97% match

SYNOLOGY Diskstation DS1825+

Synology

£1,079.97 30 Jan 2026
DiskStation DS925+ – 4-Bay NAS with 2.5GbE, Expandable to 9 Bays, M.2 NVMe SSD Caching, High-Speed Backup, Surveillance & Collaboration, Data Storage and Management Solution Ideal for Home or Business
97% match

DiskStation DS925+ – 4-Bay NAS with 2.5GbE, Expandable to 9 Bays, M.2 NVMe SSD Caching, High-Speed Backup, Surveillance & Collaboration, Data Storage and Management Solution Ideal for Home or Business

Synology

£575.00 18 Feb 2026
Synology DS925+ 48TB (Synology HAT33) 4Bay Desktop NAS
97% match

Synology DS925+ 48TB (Synology HAT33) 4Bay Desktop NAS

Synology

Out of Stock 22 Jan 2026
Synology DS925+ 32TB (Synology HAT33) 4Bay Desktop NAS
97% match

Synology DS925+ 32TB (Synology HAT33) 4Bay Desktop NAS

Synology

Out of Stock 08 Jun 2026
Synology DS216j 16TB (2 x 8TB WD RED) 2 Bay Desktop NAS Unit
97% match

Synology DS216j 16TB (2 x 8TB WD RED) 2 Bay Desktop NAS Unit

Synology

Out of Stock 27 Jan 2026
Synology DS725+ 12TB (Synology HAT33) 2 bay Plus series with Ryzen R1600, 4GB Ram (32GB max), 1x 2.5GbE, 1x 1GbE, 2x M.2 NVMe slots.
97% match

Synology DS725+ 12TB (Synology HAT33) 2 bay Plus series with Ryzen R1600, 4GB Ram (32GB max), 1x 2.5GbE, 1x 1GbE, 2x M.2 NVMe slots.

Synology

£850.22 14 Jan 2026
Synology DS925+ 24TB (Synology HAT33) 4Bay Desktop NAS
97% match

Synology DS925+ 24TB (Synology HAT33) 4Bay Desktop NAS

Synology

Out of Stock 24 Jan 2026
Synology DS925+ 16TB (Synology HAT33) 4Bay Desktop NAS
97% match

Synology DS925+ 16TB (Synology HAT33) 4Bay Desktop NAS

Synology

£1,114.89 24 Jan 2026
Synology DS220+ 12TB 2 Bay Desktop NAS Solution, installed with 2 x 6TB Toshiba N300 Drives
97% match

Synology DS220+ 12TB 2 Bay Desktop NAS Solution, installed with 2 x 6TB Toshiba N300 Drives

Synology

Out of Stock 11 Jun 2026
Synology DS223 2-Bay Diskless NAS - Black Home & Business Storage
97% match

Synology DS223 2-Bay Diskless NAS - Black Home & Business Storage

Synology

£249.97 23 Jan 2026
Synology DS223J 2 Bay Desktop NAS, White
97% match

Synology DS223J 2 Bay Desktop NAS, White

Synology

£161.99 23 Jan 2026
Synology DS925+ 8TB (Synology HAT33) 4Bay Desktop NAS
97% match

Synology DS925+ 8TB (Synology HAT33) 4Bay Desktop NAS

Synology

£1,027.97 23 Jan 2026
Synology DiskStation DS223J Network Storage Drive (White)
97% match

Synology DiskStation DS223J Network Storage Drive (White)

Synology

£179.97 24 Jan 2026
Synology DS223 20TB 2 Bay Desktop NAS Solution installed with 2 x 10TB Seagate Ironwolf Drives
97% match

Synology DS223 20TB 2 Bay Desktop NAS Solution installed with 2 x 10TB Seagate Ironwolf Drives

Synology

Out of Stock 18 Feb 2026
Synology Expansion Unit DX1215II
97% match

Synology Expansion Unit DX1215II

Synology

£978.99 24 Jan 2026
Synology DS1621+ NAS Server - High Performance Data Storage
97% match

Synology DS1621+ NAS Server - High Performance Data Storage

Synology

Out of Stock 17 May 2026
Synology DS423+ 4 Bay Desktop NAS Storage Server
97% match

Synology DS423+ 4 Bay Desktop NAS Storage Server

Synology

Out of Stock 05 May 2026
Synology NAS RX1225RP 19" 12Bay
96% match

Synology NAS RX1225RP 19" 12Bay

Synology

£2,209.97 01 May 2026
Synology DS725+ 8TB (Synology HAT53) 2 bay Plus series with Ryzen R1600, 4GB Ram (32GB max), 1x 2.5GbE, 1x 1GbE, 2x M.2 NVMe slots. DX525 expansion available via Type-C.
96% match

Synology DS725+ 8TB (Synology HAT53) 2 bay Plus series with Ryzen R1600, 4GB Ram (32GB max), 1x 2.5GbE, 1x 1GbE, 2x M.2 NVMe slots. DX525 expansion available via Type-C.

Synology

Out of Stock 09 Jun 2026
Synology DS223 32TB 2 Bay Desktop NAS Solution installed with 2 x 16TB HAT5300 Drives
96% match

Synology DS223 32TB 2 Bay Desktop NAS Solution installed with 2 x 16TB HAT5300 Drives

Synology

Out of Stock 10 Jun 2026