
QNAP TS-673A-8G 6-Bay NAS 2.5GbE Ports PCIe Slots
The QNAP TS-673A-8G packs six bays, dual 2.5GbE, PCIe expandability, and NVMe SSD caching into a powerful AMD-powered NAS.
*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.
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Overview
Key Features
Both 2.5GbE ports are backwards compatible with 1GbE/ 100MbE speeds. Up to 5 Gbps transfer speeds can be achieved by using port trunking.
Add extra functionality with PCIe cards, including 10GbE ports, SSD caching, extra USB 3.2 Gen 2 ports, wireless networking, or Fibre Channel.
Supports entry-level NVIDIA graphics cards for video processing or GPU-passthrough to VMs.
Features two M.2 PCIe NVMe SSD slots for Qtier Technology and SSD Caching enable constant storage optimization.
2 x 2.5 Gigabit Ethernet Port (2.5G/1G/100M); 3 x Type-A USB 3.2 Gen 2 10Gbps
Specifications
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Check on Amazon →Pros & Cons
👍 Pros
- Six drive bays provide substantial raw storage capacity with RAID flexibility.
- Dual 2.5GbE ports with port trunking deliver up to 5 Gbps throughput without add-in cards.
- PCIe expansion slots allow upgrades to 10GbE, GPU acceleration, and more.
- Two M.2 NVMe SSD slots enable Qtier and SSD caching for optimized storage performance.
- RAM is expandable from 8GB up to 64GB DDR4 for demanding applications and virtualization.
👎 Cons
- Drives are not included, adding significant cost to reach a fully operational setup.
- The unit consumes more power and desk space than two-bay or four-bay NAS alternatives.
- 2.5GbE networking may feel limiting for users who need 10GbE out of the box without purchasing an add-in card.
- Higher price point puts it beyond casual home users who only need basic file sharing.