Synology DiskStation DS925+ Network Attached Storage Launched With 4-Bay Design And DX525 Expansion Unit

By Shikhar Mehrotra • Updated On 23 Apr 2025

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TL; DR

The DiskStation DS925+ features dual 2.5GbE ports and two M.2 slots, allowing you to create an all-flash storage pool or cache.
The new four-bay model offers high capacity and scalability for creative professionals or businesses that handle large data quantities daily.
Paired with the new DX525 expansion unit, the DiskStation DS925+ supports up to nine drive bays.

Synology has launched a new Network Attached Storage (NAS) device dubbed DiskStation DS925+ for professionals and businesses that require higher performance and reliable data management.

DiskStation DS925+ Tech Specifications

Synology DiskStation DS925+ Network Attached Storage Launched With 4-Bay Design And DX525 Expansion Unit

The DiskStation DS925+ features dual 2.5GbE ports and two M.2 slots, allowing you to create an all-flash storage pool or cache. The NAS device offers substantial performance gains, including 149% faster SMB downloads, 150% faster upload speeds, 131% faster read speeds, and 150% faster write speeds.

The new four-bay model offers high capacity and scalability for creative professionals or businesses that handle large data quantities daily. The company claims to have engineered the DiskStation as a full-featured system, which has been tested for over 7,000 hours.

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DiskStation DS925+ Supports Up To Nine Bays With DX525 Expansion Unit

Last but not least, installing DSM on the NAS device requires compatible hard drives. Paired with the new DX525 expansion unit, the DiskStation DS925+ supports up to nine drive bays. The raw capacity also increases to 180 TB, allowing users to expand their workflow as required.

The Synology DiskStation DS925+ can be converted into a private cloud using the Synology Drive technology, enabling cross-platform access and site-to-site syncing. The Active Backup Suite provides comprehensive protection for Windows, Linux, and macOS devices.

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Last but not least, the surveillance station delivers scalable video management. The DiskStation DS925+ and the DX525 expansion unit are available starting April 23, 2025, through Synology’s network of partners and resellers.

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Shikhar Mehrotra

Shikhar Mehrotra is a seasoned technology writer and reviewer with over five years of experience covering consumer tech across India and global markets. At Smartprix, he has authored more than 1,700 articles, including news stories, features, comparisons, and product reviews spanning automobiles, smartphones, chipsets, wearables, laptops, home appliances, and operating systems. Shikhar has reviewed flagship devices such as the iPhone 16, Galaxy S25+, and Sennheiser HD 505 Open-Ear headphones. He also contributes regularly to Smartprix’s growing automotive section.

With a deep understanding of both iOS and Android ecosystems, Shikhar specializes in daily tech news, how-to explainers, product comparisons, and in-depth reviews. His DSLR photography in product reviews is recognized as among the best on the team.

Before joining Smartprix, Shikhar wrote for leading publications including Forbes Advisor India, Republic World, and ScreenRant. He holds a Bachelor of Arts in Journalism and Mass Communication from Amity University, Lucknow.

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