
Best selling NAS
Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
1. Ubiquiti UNAS Pro
2U rackmount NAS with (7) 2.5/3.5" drive bays and 10 Gbit/s performance for storing and sharing large amounts of data.

2. Synology DS923+
The Synology DS923+ is a powerful 4-bay NAS solution that can be customized and expanded as needed, with support for up to nine drives, faster networking, and NVMe SSDs for SSD cache or additional storage pools. With Synology DiskStation Manager (DSM), it is a flexible all-in-one solution for data sharing, synchronization, backup, and video surveillance.
Reliable performance
Up to 625/559 MB/s sequential read and write throughput for fast and efficient file management.
Versatile network storage
Use integrated solutions for file and photo management, data protection, virtualization, and video surveillance.
Fast and stable connections
Two 1GbE ports for easy integration into existing environments and optional 10GbE connectivity for more specialized and bandwidth-intensive applications.
Easy capacity expansion
Expandable by 5 bays to a maximum of 9 storage drives with a DX517 expansion unit.

3. Synology DS223j
The DS223j is an efficient all-in-one solution for storing and sharing your data. With its two drive bays and the Synology DiskStation Manager (DSM), the DS223j allows you to create a private cloud to protect your files, share your data across multiple devices, and store backups with intelligent video surveillance tools.

4. Synology DS925+
The Synology DS925+ is a powerful NAS enclosure designed for efficient data storage and management. With space for up to four hard drives, it offers a flexible solution for users who want to customise their storage capacity. The device is equipped with an AMD Ryzen Embedded V1500B processor, which reaches a clock frequency of 2.2 GHz and has four processor cores. This enables smooth data processing and improved performance when using multiple applications at the same time. The 4 GB RAM can be expanded to up to 32 GB, which significantly increases the system's multitasking capabilities. The network connection is made via two RJ45 2.5 Gigabit Ethernet ports, which ensure fast and reliable data transfer. The DS925+ is ideal for users looking for a powerful and customisable NAS solution to securely store and manage their data.
- Maximum number of hard drives: 4
- Processor: AMD Ryzen Embedded V1500B with 4 cores
- Expandable memory up to 32 GB
- Two RJ45 2.5 Gigabit Ethernet ports for high network speed.
Note on the compatibility of storage media: please check the compatibility of suitable storage media on the Synology website. Basically, only hard drives and SSDs from Synology are compatible (as of release 07.05.2025)

5. Ugreen NASync DXP2800
The Ugreen NASync DXP2800 is a powerful network storage system that provides fast and reliable data storage and sharing. With a robust 2.5 Gigabit Ethernet connection, the Ugreen NASync DXP2800 offers ultra-fast transfer speeds and is ideal for home and office applications. The user-friendly interface and easy setup make it effortless to use. The compact design and high compatibility with various operating systems and devices make the NAS the perfect solution for centralised storage and data sharing. With expandable storage options and a high level of security, the DXP2800 ensures efficient and secure management of digital content.

6. Synology DS1821+
The Synology DS1821+ with 8 bays is designed for IT enthusiasts, small and medium-sized businesses, and anyone looking for a powerful and scalable storage solution. The professional backup solutions protect users from potential data loss. Additionally, thanks to significant improvements in computing power and data throughput, workloads are completed faster than ever before. The DS1821+ is built for demanding application workloads and a larger number of simultaneous users. Experience faster file indexing in Synology Drive and photos in Moments, as well as more responsive web services.

7. Synology DS224+
Synology DiskStation DS224+ is a compact 2-bay NAS solution for centralised data management in small organisations and teams. Synology DiskStation Manager (DSM) allows you to set up a private cloud for better collaboration, with tools to manage, share and protect files and folders, back up devices and data, and manage surveillance recordings. Note: Video Station is not available on DSM 7.2.2.
Centralised data storage:
Store all your data centrally for full control and cross-platform access
Cross-system sharing and synchronisation:
Easily open, share and synchronise your data across different systems and devices.
Powerful backup and restore:
Utilise easy-to-use tools to back up and restore important devices and data.
Integrated data management tools:
Utilise integrated solutions for file and photo management, data protection and video surveillance.

8. Synology DS225+
The 2-bay DiskStation DS225+ from Synology is a powerful NAS device equipped with an Intel Celeron J4125 quad-core processor. With 2 GB of RAM, expandable up to 6 GB, this model provides a solid foundation for data storage and management. The DiskStation has two bays for 2.5-inch hard drives, allowing flexible configuration and expansion of storage space. A 2.5GbE LAN port ensures fast network connections, which are crucial for accessing data and using applications. The combination of powerful hardware and user-friendly software makes the DiskStation an ideal solution for home users and small businesses looking for a reliable and efficient storage solution. It also comes with a three-year warranty, which can be extended up to five years, providing additional peace of mind for users. This DiskStation is therefore a versatile and future-proof choice for anyone who wants to manage their data securely and efficiently.
For optimal performance and full functionality, Synology recommends the use of Synology hard drives only. Hard drives from other manufacturers may have limited compatibility or may not be supported unless they are officially certified by Synology.

9. Synology DS423+
The 4-bay DS423+ is a powerful device with all the tools you need to back up, share, backup and sync your data and media. With built-in solutions in Synology DiskStation Manager (DSM), users can create their own private cloud, organise and stream music, video and photo collections across all devices, collaborate seamlessly with partners, set up an intuitive monitoring system and more.

10. Synology DS223
Consolidate files from multiple sources into your own private cloud. The DS223 keeps the process simple and provides everything you need to keep your data secure and organised.
Secure private cloud: Enable anywhere, anytime access to up to 36TB of data.
Make spare copies of your documents and media for easy recovery.
Power consumption is low at only 17.3 W during operation.
Quickly and easily import data from PCs, Macs and external storage devices, and keep all your devices in sync for easy file management.
Access from any device
Access your files from PC, Mac, Linux, Chromebook, Android, iOS or any device that has a browser. Protect your data or share it easily via secure links.
Save storage space
Activate on-demand mode to download files to your Windows PC or Mac only when you need them. Pin the most important or most frequently accessed pages for convenient offline access.
Integrate with the cloud
Sync files between your private cloud and public cloud services, including Google Drive, Dropbox and Microsoft OneDrive. Keep local copies of your cloud data for centralised management and ownership.
Synchronise between locations
Say goodbye to long waits to download or upload files. Continuously sync content between two Synology devices for fast local access anywhere, regardless of the amount of data.
Your data is in safe hands
Not all data storage is created equal. Synology DiskStation Manager (DSM), the DS223's operating system, uses the efficient Btrfs file system to protect your data from data corruption and undo any accidental or malicious changes thanks to snapshot technology.
