
QNAP TS-AI642 6-bay AI
Score: 57/100
QNAP TS-216G 2-bay
Score: 75/100Rankings

The QNAP TS-216G-US is an affordable 2-bay NAS powered by an ARM Cortex-A55 CPU, offering 2.5 GbE connectivity, AI-enhanced features, and a rich software ecosystem for home and small-office users.

The QNAP TS-AI642 is a low-power 6-bay tower NAS with an 8-core ARM SoC and a 6 TOPS NPU, offering AI-accelerated media handling, dual HDMI, and flexible storage, suited for home or small-office AI-enhanced workloads.
| Attribute | ![]() | ![]() |
|---|---|---|
308 TBbest | 44 TB | |
6best | 2 | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
8best | 4 | |
8 GBbest | 4 GB | |
| ↓ lower better | 33.33 W | 13.907 Wbest |
3 yearsbest | 2 years | |
| ↓ lower better | 4.4 kg | 1.45 kgbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | QTS 5.2.3 | QTS 5.2.8 |
Performance(4) | ||
CPU Model | ARM Cortex‑A76/A55 8‑core | ARM Cortex-A55 Quad-Core 2.0 GHz |
CPU Cores | 8 | 4 |
System Memory (GB) | 8 GB | 4 GB |
Power Consumption (Active) (W) | 33.33 W | 13.907 W |
Build & Design(3) | ||
Weight (kg) | 4.4 kg | 1.45 kg |
Power Supply Type | 120W | External AC adapter |
Warranty Period (years) | 3 years | 2 years |
Connectivity(1) | ||
USB Ports | 4 | 3 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 308 TB | 44 TB |
Drive Bays | 6 | 2 |
RAID Support | JBOD,RAID 0,1,5,6,10,50,60 | JBOD, Single, RAID 0, RAID 1 |
Supported Drive Types | 3.5" SATA HDD, 2.5" SATA HDD/SSD | 3.5" SATA HDD, 2.5" SATA SSD |

Products in the top-left offer the best value (high score, low price).

Professional reviewers view the TS-AI642 as a capable, low-power NAS that brings AI processing to the consumer tier, praising its 2.5 GbE, ARM efficiency and dual HDMI while noting modest NPU performance.
Everyday users appreciate the reliable AI face detection, dual HDMI convenience, quiet operation, and flexible drive support, though they note occasional AI misclassifications and the lack of USB-C or built-in 10 GbE.

“Perfect for my home surveillance setup-AI face detection works well.”

“Dual HDMI is great for connecting directly to my TV.”

“Quiet and cool, even under load.”



Professional reviewers, led by PCMag, rate the TS-216G-US highly for delivering solid 2.5 GbE performance, a rich feature set, and easy configuration at a budget price. They commend its AI capabilities and snapshot security, but note the lack of dual 2.5 GbE ports, M.2 slots, and expandable memory as drawbacks.
Everyday users praise the device for its quiet operation, small footprint, and hassle-free setup, highlighting the intuitive QTS UI and reliable performance for home media and file backup. Complaints are minimal in the provided data, focusing mainly on the absence of included drives.