
QNAP TVS-h874 i5 8-bay
Score: 48/100
QNAP TS-AI642 6-bay AI
Score: 57/100Rankings

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.

The QNAP TVS-h874-i5-32G-US delivers strong 12th-gen Intel i5 performance, PCIe Gen4 expandability and ZFS-based data protection, targeting creative professionals and SMBs needing virtualization and AI-enhanced media workflows.
| Attribute | ![]() | ![]() |
|---|---|---|
154 TB | 308 TBbest | |
8best | 6 | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
6 | 8best | |
32 GBbest | 8 GB | |
| ↓ lower better | 81.865 W | 33.33 Wbest |
3 yearsbest | 3 yearsbest | |
| ↓ lower better | 7.3 kg | 4.4 kgbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Security(1) | ||
OS Compatibility | QuTS hero | QTS 5.2.3 |
Performance(4) | ||
CPU Model | Intel Core i5-12400 | ARM Cortex‑A76/A55 8‑core |
CPU Cores | 6 | 8 |
System Memory (GB) | 32 GB | 8 GB |
Power Consumption (Active) (W) | 81.865 W | 33.33 W |
Build & Design(2) | ||
Weight (kg) | 7.3 kg | 4.4 kg |
Power Supply Type | 250W | 120W |
Connectivity(1) | ||
USB Ports | 3 | 4 |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 154 TB | 308 TB |
Drive Bays | 8 | 6 |
RAID Support | RAID 0,1,5,6,10,JBOD | JBOD,RAID 0,1,5,6,10,50,60 |
Supported Drive Types | 3.5" SATA HDD, 2.5" SATA SSD | 3.5" SATA HDD, 2.5" SATA HDD/SSD |

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

Professional reviewers describe the TVS-h874-i5-32G as a versatile powerhouse that combines a 12th-gen Intel CPU, ZFS-based QuTS hero, and NVMe caching to deliver exceptional performance for video editing, photography, and AI-driven media tasks.
Everyday users praise the unit for its smooth 4K transcoding, fast 2.5 GbE transfers, easy VM/Docker setup, and the convenience of HDMI direct playback, while noting fan noise and a steep learning curve.

“Smooth 4K transcoding even with multiple streams”

“Fast 2.5 GbE transfers make large file moves painless”

“AI-powered photo tagging is accurate and speedy”



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.