10 Best Synology For Plex 2025 in the United States

The Synology DS3617xs NAS Disk Station is designed to cater to users looking for a high-performance solution for Plex media streaming. With an Intel Xeon D-1527 quad-core CPU and 16GB of DDR4 RAM (expandable up to 48GB), it offers robust processing power that can handle multiple streams and high-quality content without breaking a sweat. This is particularly beneficial for those who plan to transcode videos on-the-fly, as its substantial processing capacity supports efficient transcoding capabilities.

Storage-wise, the DS3617xs stands out with its 12-bay configuration, allowing for significant expansion potential when paired with Synology's DX1215 expansion unit. This means you can scale your storage up to 36 drives, making it ideal for users with large media libraries. The impressive sequential throughput reading of over 2,358 MB/s ensures that you won’t experience buffering issues during playback, which is crucial for a seamless streaming experience.

In terms of connectivity, it features a PCIe 3.0 slot, enabling users to add high-performance network interface cards for faster data transfer rates. This is a strong point for those needing to ensure quick access to media files across multiple devices. The DS3617xs is a more advanced solution and may be overkill for casual users or those with smaller media collections. Its initial setup can be more complex compared to simpler NAS solutions, so some technical knowledge would be beneficial. Additionally, while its price reflects its high-end capabilities, it might not be the best fit for those on a tight budget.

The Synology DS1821+ 8-Bay Diskstation NAS is a powerful option for anyone looking to store and stream large amounts of media using Plex. With its AMD Ryzen quad-core processor, it offers solid performance for multitasking, making it suitable for file sharing, virtualization, and particularly multimedia streaming. The 8-bay capacity allows for significant storage (up to 32TB with the included drives), which is great for users with extensive media libraries. The addition of dual M.2 NVMe slots means you can boost its performance further by adding SSD cache, making access to frequently used files faster.

One of the standout features is its sophisticated software, which provides a range of applications for backups and streaming, enhancing the user experience. Furthermore, its expandable storage capability—allowing connection to two DX517 expansion units—provides flexibility for future needs.

There are some drawbacks to consider. While the device is robust, its initial setup might be complex for someone less familiar with NAS systems. Additionally, the 4 GB of RAM may not be sufficient for heavy multitasking or for users with very demanding applications, although it can be expanded. The mechanical hard drives included run at 5400 RPM, which is decent but slower compared to SSDs, potentially resulting in slower read and write speeds, especially under heavy loads.

For users focused primarily on Plex media streaming, the DS1821+ performs well but may require additional RAM for optimal performance in larger households or heavy usage scenarios. It’s an excellent choice for those needing reliable storage and streaming capabilities but could be better suited for users willing to invest time in its setup and configuration.

The Synology Disk Station DS509+ is a 5-bay network-attached storage device that comes with five 1TB drives configured in RAID, offering a total of 5TB of storage. This setup provides ample space to store and stream your Plex media library. It includes 1GB of DDR2 RAM, which was decent for its time but might feel limited for today's streaming demands, especially when streaming to multiple devices simultaneously.

The NAS supports common network protocols and offers USB and eSATA ports for adding external drives or printers. While the processor details are not explicitly specified, the device's age and specifications suggest it might not handle heavy real-time transcoding, which is important if your media requires format conversion for smooth playback on different devices. The Disk Station Manager 2.1 software offers a user-friendly interface with useful extras like remote file management and IP camera support, though it is outdated compared to modern offerings.

Connectivity is solid for home use, but network speeds reflect the standards common around 2009, which may impact streaming large HD files over busy networks. This NAS is well suited for users who need storage and basic streaming support for Plex with direct play content. Users looking for powerful transcoding and the latest software features would benefit more from recent Synology models.