If you’re building a Plex server in 2026, choosing the right NAS is essential for smooth streaming, reliable storage, and future-proofing your setup. I’ll highlight top contenders like the Synology DiskStation DS223j, known for its compact design and ease of use; the Asustor Lockerstor 4 Gen2+, which offers powerful hardware for demanding media tasks; and the Asustor AS5402T, with robust NVMe support and high-speed networking. Each caters to different needs, but all balance performance, expandability, and ease of use. The main tradeoffs usually come down to capacity, complexity, and price, so I’ll help you navigate these factors to find your best match.
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Key Takeaways
- The Synology DS223j is ideal for home users prioritizing simplicity and private cloud features, but has limited drive bays.
- The Asustor Lockerstor 4+ offers strong hardware with dual 5GbE ports and 4 bays, perfect for media-intensive setups, though it requires more initial investment and setup effort.
- The Asustor AS5402T supports fast NVMe caching and high-bandwidth networking, suited for power users who need high performance, but it’s more complex to configure.
- All models require additional drives, making initial cost and setup a key consideration.
- Choosing between them depends on your storage needs, technical comfort level, and whether you prioritize media transcoding or simple backups.
| Synology DiskStation DS223j (Diskless) 2-Bay NAS |  | Best for Simple, Private Cloud Storage & Basic Plex Streaming | Brand: Synology | Model Number: DS223j | Number of Bays: 2 | VIEW LATEST PRICE | See Our Full Breakdown |
| Asustor Lockerstor 4 Gen2+ AS6704T v2 4-Bay NAS |  | Best for High-Performance Media & Small Business Use | Processor: Intel Celeron N5105 quad-core | Memory: 4GB DDR4, expandable to 16GB | Storage Bays: 4 | VIEW LATEST PRICE | See Our Full Breakdown |
| Asustor AS5402T 2-Bay NAS with Intel Quad-Core CPU, 4 M.2 NVMe Slots, Dual 2.5GbE, 4K Media Streaming |  | Best for High-Speed Caching & Demanding Media Tasks | Processor: Intel N5105 Quad-Core 2.0GHz | SSD Slots: 4x M.2 NVMe | Memory: 4GB DDR4, expandable to 16GB | VIEW LATEST PRICE | See Our Full Breakdown |
| Asustor Lockerstor 2 Gen2 AS6702T – 2 Bay NAS Plex Media Server (Diskless) |  | Best for Compact High-Performance Media Streaming | Processor: Intel Celeron N5105 2.0 GHz | Memory: 4GB DDR4, expandable to 16GB | Storage Bays: 2 | VIEW LATEST PRICE | See Our Full Breakdown |
| Synology DS225+ Private Cloud Media Server – 2-Bay Diskless NAS with Intel CPU |  | Best for Personal Cloud & Basic Plex Streaming | Model: DS225+ | Type: 2-Bay NAS | Processor: Intel CPU | VIEW LATEST PRICE | See Our Full Breakdown |
| NAS for Plex server | Processor | Memory |
|---|---|---|
| Synology DiskStation DS223j | — | — |
| Asustor Lockerstor 4 Gen2+ AS6 | Intel Celeron N5105 quad-core | 4GB DDR4, expandable to 16GB |
| Asustor AS5402T 2-Bay NAS with | Intel N5105 Quad-Core 2.0GHz | 4GB DDR4, expandable to 16GB |
| Asustor Lockerstor 2 Gen2 AS67 | Intel Celeron N5105 2.0 GHz | 4GB DDR4, expandable to 16GB |
| Synology DS225+ Private Cloud | Intel CPU | — |
More Details on Our Top Picks
Synology DiskStation DS223j (Diskless) 2-Bay NAS
The Synology DS223j stands out for its compact size and energy efficiency, making it appealing for home users who want a straightforward Plex setup. Its dual bays support RAID configurations, but since it’s diskless, you’ll need to add drives, which can be an extra step for beginners. Compared with larger models, it lacks hardware transcoding power, so for 4K content, you may face limitations. However, its user-friendly interface and excellent Synology ecosystem make it a strong choice for light media use or backup tasks. It’s not ideal for demanding 4K streaming or multiple simultaneous users but offers reliable performance for basic media serving.
Pros:- Compact and energy-efficient design
- Supports private cloud creation
- Multi-platform access and surveillance features
Cons:- Requires additional drives for storage
- Limited to two bays, restricting capacity
- Setup may be technical for some
Best for: Home users seeking simple, reliable Plex streaming with minimal fuss
Not ideal for: Power users needing intensive transcoding or large storage capacity
- Brand:Synology
- Model Number:DS223j
- Number of Bays:2
- Warranty:2 years
- UPC:846504004768
Our verdict“A solid choice for basic Plex needs in a compact form factor, but limited by its two-bay design and lack of hardware transcoding.”
Asustor Lockerstor 4 Gen2+ AS6704T v2 4-Bay NAS
The Asustor Lockerstor 4 Gen2+ offers a leap in performance with its quad-core Intel Celeron N5105 CPU and dual 5GbE ports, making it ideal for demanding Plex users. Its four bays support hybrid storage options, which means you can mix HDDs and SSDs for optimized performance and capacity. The device excels at 4K media transcoding, thanks to hardware acceleration, and its HDMI output allows direct media playback. However, setting it up involves more technical knowledge, especially for those unfamiliar with RAID and network configurations. Compared to simpler NAS devices, it’s better suited for users who need a robust media server or small office NAS with high throughput.
Pros:- High-speed dual 5GbE ports
- Supports hybrid storage with HDDs, SSDs, and NVMe
- 4K media transcoding with HDMI output
Cons:- Requires initial drive purchase
- More complex setup process
- Higher price point
Best for: Advanced users needing powerful transcoding and flexible storage options
Not ideal for: Beginners or users with minimal media needs
- Processor:Intel Celeron N5105 quad-core
- Memory:4GB DDR4, expandable to 16GB
- Storage Bays:4
- Network Ports:Dual 5GbE
- Video Output:HDMI
Our verdict“An excellent choice for media enthusiasts and small business users who need high-speed, flexible storage and transcoding capabilities.”
Asustor AS5402T 2-Bay NAS with Intel Quad-Core CPU, 4 M.2 NVMe Slots, Dual 2.5GbE, 4K Media Streaming
The Asustor AS5402T combines strong hardware with versatile connectivity, supporting four NVMe SSDs for caching, which significantly enhances media performance. Its quad-core Intel N5105 processor and dual 2.5GbE ports make it a capable platform for 4K transcoding and multitasking. Its expandable RAM, up to 16GB, allows demanding users to run virtualization or large media libraries. Nonetheless, it’s diskless, so the total storage depends on your drive choices, increasing initial costs. For users needing rapid caching and high throughput, this NAS offers a compelling balance of speed and flexibility.
Pros:- Supports four NVMe SSDs for caching
- High-speed dual 2.5GbE ports
- Expandable RAM for demanding workloads
Cons:- Requires additional drives
- Setup complexity for novices
- Higher cost for full features
Best for: Power users needing fast caching and high-bandwidth media streaming
Not ideal for: Beginners or those seeking a simple, all-in-one solution
- Processor:Intel N5105 Quad-Core 2.0GHz
- SSD Slots:4x M.2 NVMe
- Memory:4GB DDR4, expandable to 16GB
- Network:Dual 2.5GbE
- Connectivity:HDMI 2.0b, USB 3.2
Our verdict“A top-tier option for users who prioritize caching performance and high-speed media processing.”
Asustor Lockerstor 2 Gen2 AS6702T – 2 Bay NAS Plex Media Server (Diskless)
The Asustor Lockerstor 2 Gen2 offers a compact yet powerful platform, featuring dual 2.5GbE ports, hardware 4K transcoding, and support for two NVMe SSDs for caching. Its quad-core Intel N5105 processor and expandable RAM make it suitable for demanding media tasks, especially in limited spaces. Its small footprint is perfect for home media setups, but it does require you to purchase drives separately, which adds to initial costs. Compared to larger NAS units, it’s easier to place in tight spaces, yet it doesn’t offer as much storage expansion beyond its two bays.
Pros:- High-speed dual 2.5GbE networking
- Supports multiple NVMe SSDs for caching
- Hardware 4K transcoding
Cons:- No included drives, needs extra investment
- Limited to two bays for storage
- Setup can be complex for novices
Best for: Home media buffs with limited space who need high performance
Not ideal for: Large media libraries or users requiring many drive bays
- Processor:Intel Celeron N5105 2.0 GHz
- Memory:4GB DDR4, expandable to 16GB
- Storage Bays:2
- Network Connectivity:Dual 2.5GbE
- Supported SSDs:2 NVMe M.2
Our verdict“Ideal for users seeking a compact yet capable Plex server with fast transcoding and caching, but limited storage capacity.”
Synology DS225+ Private Cloud Media Server – 2-Bay Diskless NAS with Intel CPU
The Synology DS225+ offers a balanced mix of media streaming, backup, and private cloud features. Its Intel CPU provides sufficient power for 4K streaming and automated backups. The two-bay design means less initial cost but also limited storage capacity, which could be a concern for larger media libraries. Its user-friendly interface simplifies setup and management, making it suitable for less technical users. It supports RAID redundancy and surveillance integration, adding to its versatility. However, as a diskless unit, you must purchase drives separately, and it’s not designed for high-volume or heavy transcoding tasks.
Pros:- Supports 4K media streaming and cloud storage
- Automated backup options
- RAID redundancy and surveillance features
Cons:- Requires additional drives
- Limited to two bays
- Not suited for intensive transcoding
Best for: Personal users seeking an easy-to-manage Plex server with reliable media streaming
Not ideal for: Power users needing large storage or heavy transcoding
- Model:DS225+
- Type:2-Bay NAS
- Processor:Intel CPU
- Transfer Speed:282 MB/s
- Warranty:3 years
Our verdict“A suitable choice for personal media streaming and backups, especially for users who prefer simplicity over maximum capacity.”
How We Picked
In selecting the best NAS for Plex, I focused on models that balance hardware performance, media capabilities, expandability, and ease of use. I prioritized devices with capable CPUs for transcoding, sufficient RAM, and fast network interfaces to ensure smooth streaming. I also considered form factor, initial cost, and user-friendliness, aiming to recommend options suitable for a range of users from beginners to power users. Models with proven Plex compatibility and good community support made the cut, while those with limited features or high complexity were excluded.
| NAS for Plex server | Processor |
|---|---|
| Synology DiskStation DS223j | — |
| Asustor Lockerstor 4 Gen2+ AS6 | Intel Celeron N5105 quad-core |
| Asustor AS5402T 2-Bay NAS with | Intel N5105 Quad-Core 2.0GHz |
| Asustor Lockerstor 2 Gen2 AS67 | Intel Celeron N5105 2.0 GHz |
| Synology DS225+ Private Cloud | Intel CPU |
Factors to Consider When Choosing Best NAS For Plex Server
Choosing the best NAS for Plex in 2026 depends on your media library size, transcoding needs, technical comfort, and budget. Here, I’ll guide you through key considerations to help you pick a device that balances performance and ease of use.
Performance & Transcoding Capabilities
For smooth 4K streaming, prioritize NAS models with powerful processors like Intel Celeron or higher, and sufficient RAM. Hardware transcoding support is a game-changer, especially if you plan to stream to multiple devices simultaneously. Devices like the Asustor Lockerstor 4+ and AS5402T excel here, while more basic models like the Synology DS223j are better suited for lower-resolution media or fewer streams.
Storage Capacity & Expandability
Assess your media library size. Two-bay NAS units are generally more affordable but limit capacity unless you use very large drives or RAID configurations. Four-bay options provide more room for future expansion, and models supporting NVMe caching can significantly boost performance for heavy media workloads. Remember, diskless models require additional investment in drives.
Ease of Setup & User Experience
If you’re less experienced with NAS configurations, look for models with intuitive interfaces and strong community support like Synology. More complex setups, such as those with multiple RAID options or advanced networking, may require technical know-how but offer greater flexibility and performance.
Connectivity & Additional Features
Fast network interfaces like dual 2.5GbE or 5GbE ports improve streaming quality and reduce buffering. HDMI outputs are valuable for direct media playback, and support for multiple SSDs can enhance performance. Consider your connectivity needs and whether features like surveillance or virtualization are relevant to your setup.
Frequently Asked Questions
Do I need a powerful CPU for Plex on a NAS?
Yes, a capable CPU significantly improves transcoding performance, especially for 4K content. CPUs like Intel Celeron N5105 or higher are recommended for smooth streaming, while less powerful processors may struggle with multiple streams or high-resolution media.
How much RAM do I need in my NAS for Plex?
At least 4GB of RAM is recommended for basic Plex use, but for multiple streams or high-demand tasks, 8GB or more can improve performance. Some models allow RAM upgrades, which is advisable if you plan to run additional services or virtual machines.
Is hardware transcoding necessary for Plex?
Hardware transcoding is highly beneficial if you want to stream high-resolution videos to multiple devices without buffering. It offloads the processing from the CPU, making playback smoother and reducing latency, especially on devices with limited decoding capabilities.
Can I run Plex on a diskless NAS?
Yes, but you’ll need to add drives to store your media. Diskless models are often more affordable initially, but you should factor in the cost of drives and the setup complexity. Make sure the NAS supports the capacity and speed you require for your media library.
What network speed is ideal for Plex streaming?
Gigabit Ethernet is sufficient for most streaming needs, but for multiple 4K streams or large file transfers, 2.5GbE or 5GbE ports provide faster data rates, reducing buffering and improving playback quality. Your network infrastructure should match your NAS’s network capabilities for best results.
Conclusion
For casual home users prioritizing simplicity and basic media streaming, the Synology DS223j or DS225+ are excellent choices. Power users or small business owners needing high-performance transcoding, flexible storage, and advanced features should consider the Asustor Lockerstor 4+ or AS5402T. Compact setups with demanding performance needs benefit from the high-speed NVMe caching and multiple network ports of the AS5402T. Ultimately, matching your media library size, technical skill level, and budget will guide you to the best NAS for your Plex server in 2026.
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