Synology DX525 ,5-Bay 3.5" Diskless Expansion NAS ,Expansion Unit
The Synology DX525 is designed as a versatile storage enclosure that supports both 2.5" and 3.5" hard drives, accommodating up to 5 drives for substantial data storage needs. With a hot-swap capability, users can easily add or replace drives without downtime, enhancing convenience and efficiency in data management. The unit features a USB-C interface for quick and easy connectivity, making it compatible with modern devices while ensuring a reliable data transfer experience. Additionally, the built-in devices include a status LED for monitoring and dual 92 mm fans that maintain optimal operating conditions across a wide temperature range from 0°C to 40°C, all while operating in environments with humidity levels from 5% to 95%. Its Plug-and-Play design simplifies installation, making it an ideal choice for both personal and professional use, while a Kensington security slot helps safeguard valuable data storage.
The Synology DX525 is designed as a versatile storage enclosure that supports both 2.5" and 3.5" hard drives, accommodating up to 5 drives for substantial data storage needs. With a hot-swap capability, users can easily add or replace drives without downtime, enhancing convenience and efficiency in data management. The unit features a USB-C interface for quick and easy connectivity, making it compatible with modern devices while ensuring a reliable data transfer experience. Additionally, the built-in devices include a status LED for monitoring and dual 92 mm fans that maintain optimal operating conditions across a wide temperature range from 0°C to 40°C, all while operating in environments with humidity levels from 5% to 95%. Its Plug-and-Play design simplifies installation, making it an ideal choice for both personal and professional use, while a Kensington security slot helps safeguard valuable data storage.
The Synology DX525 is designed as a versatile storage enclosure that supports both 2.5" and 3.5" hard drives, accommodating up to 5 drives for substantial data storage needs. With a hot-swap capability, users can easily add or replace drives without downtime, enhancing convenience and efficiency in data management. The unit features a USB-C interface for quick and easy connectivity, making it compatible with modern devices while ensuring a reliable data transfer experience. Additionally, the built-in devices include a status LED for monitoring and dual 92 mm fans that maintain optimal operating conditions across a wide temperature range from 0°C to 40°C, all while operating in environments with humidity levels from 5% to 95%. Its Plug-and-Play design simplifies installation, making it an ideal choice for both personal and professional use, while a Kensington security slot helps safeguard valuable data storage.
The Synology DX525 is designed as a versatile storage enclosure that supports both 2.5" and 3.5" hard drives, accommodating up to 5 drives for substantial data storage needs. With a hot-swap capability, users can easily add or replace drives without downtime, enhancing convenience and efficiency in data management. The unit features a USB-C interface for quick and easy connectivity, making it compatible with modern devices while ensuring a reliable data transfer experience. Additionally, the built-in devices include a status LED for monitoring and dual 92 mm fans that maintain optimal operating conditions across a wide temperature range from 0°C to 40°C, all while operating in environments with humidity levels from 5% to 95%. Its Plug-and-Play design simplifies installation, making it an ideal choice for both personal and professional use, while a Kensington security slot helps safeguard valuable data storage.
in 10 offers
The lowest price for Synology DX525 ,5-Bay 3.5" Diskless Expansion NAS ,Expansion Unit right now is $822.80 at LWT, compared across 10 retailers.
The all-time low was $744.31 on 6 June 2026 — today's price is 11% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 18 July 2026.
Last updated at 18/07/2026 22:23:08
Synology DX525 NAS Expansion Unit [5-Bay/SATA Support/Synology DiskStation Only]
Free delivery
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Synology DX525 Expansion 5 bay unit
Delivery $16.50
Synology DX525 ,5-Bay 3.5" Diskless Expansion NAS ,Expansion Unit
7-day returns
Synology Expansion DX525 5-Bay 3.5" Diskless NAS
Free delivery between Tue – Fri
Synology Expansion DX525 5-Bay 3.5" Diskless NAS
Delivery between 23–28 July $15
Synology DX Series Expansion Unit 5-Bay Diskless Expansion (DX525) 5 bays, SATA HDD/SSD, 2.5"/3.5" drive support, hot-swap, desktop, 1x PSU,
Synology DiskStation DX525 5-Bay SATA NAS Expansion Unit
Synology DX525 5-Bay Expansion Unit
Delivery by Fri $40
Synology DX525 NAS DiskStation 5-Bays NAS Enterprise Sata HDD Expansion Unit Diskless Suitable For
Delivery $38.64
5-Bay Expansion Unit DX525 (Diskless)
Delivery between 25–28 July $29
| Supported storage drive interfaces | Serial ATA |
| Cable lock slot type | Kensington |
| Certification | FCC CE BSMI UKCA EAC VCCI RCM KC BIS |
| Number of power supply units | 1 |
| AC input frequency | 50/60 Hz |
Synology DX525 NAS Expansion Unit [5-Bay/SATA Support/Synology DiskStation Only]
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Synology DX525 Expansion 5 bay unit
Delivery $16.50
Synology DX525 ,5-Bay 3.5" Diskless Expansion NAS ,Expansion Unit
7-day returns
Synology Expansion DX525 5-Bay 3.5" Diskless NAS
Free delivery between Tue – Fri
Synology Expansion DX525 5-Bay 3.5" Diskless NAS
Delivery between 23–28 July $15
| Supported storage drive interfaces | Serial ATA |
| Cable lock slot type | Kensington |
| Certification | FCC CE BSMI UKCA EAC VCCI RCM KC BIS |
| Number of power supply units | 1 |
| AC input frequency | 50/60 Hz |
