
QNAP TS-216G-US - The Most Affordable 2-Bay 2.5GbE Desktop NAS, Equipped with ARM Cortex-A55 Quad-Core CPU, Built-in NPU and 4GB DDR4 RAM (Diskless)
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
This is a 2-bay NAS with an ARM Cortex-A55 quad-core CPU, 4GB non-upgradable DDR4 RAM, and 2.5GbE, built for budget-conscious home users and small offices needing file storage and AI-accelerated photo
This NAS is a situational fit because its 2.5GbE port and NPU for AI photo recognition are strong features for its price band, making it suitable for basic home and small office file management and multimedia. However, the non-upgradable 4GB RAM and absence of M.2 slots mean it won't scale well for more intensive tasks or advanced users. It's a budget-friendly entry point with specific strengths, but clear limitations.
If you need more performance or future-proofing, look for NAS models with upgradable RAM and M.2 NVMe slots for SSD caching.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Features a 2.5GbE port for faster file transfers compared to 1GbE.
- Includes a built-in NPU for AI acceleration, boosting performance for face and object recognition in photos.
- Equipped with an ARM Cortex-A55 quad-core 2.0GHz CPU, suitable for multitasking and media streaming.
- Supports up to 44TB total capacity using two 22TB drives, providing substantial storage for home or small office use.
- Offers screwless mounting for 3.5-inch hard drives, simplifying installation.
- Operates with low fan noise and maintains controlled temperatures during use.
Cons
- The 4GB DDR4 RAM is not upgradable, limiting future performance enhancements.
- Lacks M.2 SSD slots, preventing the use of SSD caching for improved I/O performance.
- Certain QNAP applications may not function with the ARM architecture, restricting software options.
- Does not have local video output, making troubleshooting network access issues more challenging.
- Requires screws for mounting 2.5-inch drives, unlike the tool-free 3.5-inch drive installation.
Dimension Scores
The inclusion of a 2.5GbE port provides significantly faster network speeds than typical 1GbE NAS devices, accelerating file transfers.
QNAP generally has a reputation for durable hardware, and one user reported 9 years of uptime with an older QNAP model, suggesting reasonable longevity.
With support for two 22TB drives, the NAS offers a maximum raw capacity of 44TB, which is ample for most home and small office storage needs.
It supports both 2.5-inch and 3.5-inch SATA drives and offers backup solutions for both Windows and Mac computers.
Best For
- Home users needing centralized storage for personal photos, music, and videos.
- Small offices requiring accelerated file sharing across teams via 2.5GbE.
- Users who want AI-powered photo organization with face and object recognition.
- Individuals looking for an affordable NAS for Windows and Mac backups using NetBak Replicator and Time Machine.
Not Recommended For
- Users who need to upgrade RAM for more demanding applications or virtual machines.
- Environments requiring M.2 SSD caching for high-speed, frequently accessed data.
- Advanced users relying on specific QNAP apps that are incompatible with ARM processors.
Watch Out For
- The 4GB DDR4 RAM is soldered and cannot be upgraded, which can become a bottleneck for heavier workloads or future software updates.
- There are no M.2 SSD slots, meaning you can't add NVMe drives for caching to speed up I/O operations.
- Some QNAP applications are not compatible with the ARM processor, potentially limiting the functionality you expect from the QTS ecosystem.
- The device lacks local video output, so if you lose network access, you'll need to rely on SSH or a factory reset to regain control.
- While 3.5-inch drives are tool-free, 2.5-inch drives require screws for installation, adding a minor inconvenience.
Full Specifications
| ASIN | B0D1WYD1DB |
| Brand | QNAP |
| Color | Black |
| Series | TS-216G |
| Hard Drive | 24 TB Hybrid Drive |
| Item Weight | 3.19 pounds |
| Manufacturer | QNAP |
| Special Feature | LED Light |
| Flash Memory Size | 4 GB |
| Installation Type | External Hard Drive |
| Item model number | TS-216G-US |
| Compatible Devices | Server, CPU, Laptop, Desktop |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Hard Disk Interface | Serial ATA |
| Hard Drive Interface | Serial ATA |
| Hard Disk Description | Hybrid Drive |
| Hard Disk Form Factor | 3.5 Inches |
| Item Dimensions LxWxH | 3.94 x 3.94 x 3.94 inches |
| Connectivity Technology | Ethernet |
| Digital Storage Capacity | 22 TB |
| Hard Drive Rotational Speed | 7200 |
What Buyers Say
The QNAP TS-216G-US is frequently highlighted for its value, offering 2.5GbE connectivity and AI acceleration for photo management at a budget-friendly price point. Users appreciate its ease of setup and the QTS operating system for basic file storage and multimedia streaming. However, a recurring point of contention is the non-upgradable 4GB RAM and the absence of M.2 SSD slots, which limits its potential for more advanced use cases or future performance upgrades. Some users also note that certain QNAP apps might not be fully compatible with its ARM architecture.
“Look, for the money, this thing is actually pretty sweet with the 2.5GbE and the AI photo stuff, but seriously, QNAP, why can't I just throw in more RAM? It's 2024!”
Common Praise
- The 2.5GbE port significantly speeds up file sharing and large file transfers.
- The built-in NPU effectively accelerates face and object recognition for photo organization.
- The QTS operating system is user-friendly and offers a smooth interface for managing files and apps.
- It operates quietly with minimal fan noise and maintains controlled internal temperatures.
- Installation of 3.5-inch hard drives is tool-free and straightforward.
- The device is considered affordable for its feature set, especially the 2.5GbE connectivity.
Common Complaints
- The 4GB DDR4 RAM is fixed and cannot be expanded, which can limit multitasking capabilities.
- There are no M.2 SSD slots, preventing the addition of SSD caching for improved performance.
- Some QNAP applications may not be compatible with the ARM processor, restricting software choices.
- The lack of local video output makes direct troubleshooting challenging if network access is lost.
- Mounting 2.5-inch drives requires screws, unlike the tool-free design for 3.5-inch drives.
Ownership Tips
- The QTS operating system is surprisingly intuitive and easy to navigate, even for first-time NAS users.
- The fan noise is genuinely low, making it suitable for placement in living areas without being a distraction.
- The NPU's AI photo recognition works as advertised, making it easier to sort through large photo libraries.
- While the 2.5GbE is a speed bump, you really need compatible network hardware (router/switch) to get the full benefit.
- You'll quickly realize the limitations of 4GB RAM if you try to run too many apps or containers simultaneously.
Frequently Asked Questions
Can I upgrade the RAM on the QNAP TS-216G-US?
No, the 4GB DDR4 RAM on the TS-216G-US is onboard and cannot be upgraded.
Does this NAS support SSD caching?
No, the TS-216G-US does not include M.2 SSD slots, so it cannot utilize SSD caching for performance improvement.
What kind of drives are compatible with this NAS?
It supports both 2.5-inch and 3.5-inch SATA hard drives or SSDs, allowing for a total internal capacity of up to 44TB with two 22TB drives.
How fast are the network connections?
The NAS features one 2.5GbE port and one 1GbE port, enabling faster data transfer speeds than standard 1GbE connections.
What is the NPU for?
The built-in NPU (Neural network Processing Unit) accelerates AI tasks, specifically boosting performance for high-speed face and object recognition in photo management.
Is the QNAP TS-216G-US suitable for Plex media server?
While it can handle multiple 4K streams and has a built-in GPU for video transcoding, the ARM architecture and non-upgradable 4GB RAM might limit its performance for very demanding Plex setups, especially with multiple simultaneous transcoded streams.
Buying Guide
When you're looking at a NAS like this, you're essentially buying a mini-computer designed specifically for storing and sharing your files over a network. Think of it as your personal cloud, but it lives in your house. You'll need to buy hard drives separately, and the total capacity depends on the size of the drives you put in. The speed of your home network, especially your router, will heavily influence how fast you can access files on the NAS.
CPU (ARM Cortex-A55 quad-core 2.0GHz)
This is the 'brain' of the NAS. An ARM quad-core CPU is energy-efficient and capable enough for basic file serving, multimedia streaming, and light applications, but it won't handle heavy tasks like multiple 4K video transcodes or complex virtual machines as well as an Intel x86 processor.
RAM (4GB DDR4)
RAM is like the short-term memory. 4GB is sufficient for the operating system and a few concurrent tasks. If you plan to run many apps, use it for heavy surveillance, or host virtual machines, 4GB will quickly become a bottleneck, especially since it's not upgradable on this model.
2.5GbE Ports
This refers to the network connection speed. Standard home networks are usually 1GbE. A 2.5GbE port means the NAS can transfer data 2.5 times faster, which is a big deal for moving large files or streaming high-bitrate media, provided your other network equipment (router, switch, computer's network card) also supports 2.5GbE or higher.
Built-in NPU
The Neural Processing Unit is a specialized chip that speeds up AI-related tasks. For this NAS, it specifically helps with things like recognizing faces and objects in your photos, making it much faster to organize and search your image library without bogging down the main CPU.
Alternatives
If this doesn't fit, look for models with Intel Celeron or AMD Ryzen CPUs for more processing power, 8GB or more of upgradable RAM, and M.2 NVMe slots for SSD caching to boost performance.



