Grade A1 - Excellent condition. Runs like new


Warranty included
Enjoy the peace of mind that your product is covered with a guarantee on both parts and labour.

As good as new
A1 graded refurbs are often just box opened returns that haven’t been used. They’re in perfect working condition and run like new. Our expert engineers have checked and tested every product for extra peace of mind.

What's included
All accessories are included unless otherwise stated in the description below.

Limited Stock
Our refurbished products sell out quickly, so be quick and get a fantastic product at a fraction of the new price.
This is a graded product. A1 products are "as new" but have been box opened. All A1 products will be fully bubble-wrapped for transportation.
GRADE A1
v5-bay 3.5"/2.5" SATA expansion
Easily add 5 additional drive bays to Synology DiskStation1. Supporting both 2.5" and 3.5" SATA drives, DX517 is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination.
Online volume expansion
Managed from DiskStation Manager on the host NAS, the additional bays in the DX517 are immediately ready to be used once connected. On-the-fly volume expansion ensures that storage and services on the host are not interrupted during volume expansion.
Hot-swappable drive tray design
The hot-swappable drive trays of DX517 allow easy drive installation and replacement without powering down the system. Screwless drive tray design reduces the time needed for system setup.