Quick Answer: What replaced TS-673A-8G-US?
Discontinued: TS-673A-8G-US | Replacement: TS-673A-SW5T-US
Why QNAP INC Discontinued the TS-673A-8G-US
The QNAP INC TS-673A-8G-US is fully discontinued and no longer available for purchase. Research shows the TS-673A-8G-US appears on QNAP's official end-of-life list, where QNAP explicitly recommends TS-673A-SW5T-US as the replacement. QNAP has not published a specific end-of-life date for TS-673A-8G-US, and no official source explains the exact reason beyond its EOL status and replacement guidance.
For IT buyers, the practical takeaway is straightforward: TS-673A-8G-US should be treated as an end-of-life part with no new purchasing path. If your procurement records, refresh plans, or standard configurations still reference TS-673A-8G-US, those records should be updated to reflect the official replacement TS-673A-SW5T-US. It is also important to note that available research indicates the replacement bundle TS-673A-SW5T-US is also out of stock and listed as discontinued by distribution sources, so buyers may need to verify current channel availability before planning a like-for-like replacement.
Because QNAP did not announce a public EOL timeline for TS-673A-8G-US, organizations managing lifecycle risk should not wait for additional date guidance. The key fact is that TS-673A-8G-US is fully discontinued now, and the official successor reference is TS-673A-SW5T-US.
What's New in the TS-673A-SW5T-US
Bundled components
The main difference between TS-673A-8G-US and TS-673A-SW5T-US is packaging. The discontinued TS-673A-8G-US was sold as a standalone NAS. The TS-673A-SW5T-US package combines the same NAS platform with a QSW-1105-5T 5-port 2.5GbE switch. Based on the research provided, the NAS portion keeps the same core platform, including AMD Ryzen V1500B 4-core/8-thread 2.2GHz processing and 8GB RAM.
This means TS-673A-SW5T-US is not a new NAS architecture replacing TS-673A-8G-US with different compute performance. Instead, it is a bundled solution aimed at deployments that can benefit from extra 2.5GbE switching at the edge or in small office and departmental environments.
Network connectivity
The original TS-673A-8G-US includes 2x 2.5GbE ports on the NAS, along with USB 3.2 Gen 2 and USB-C connectivity. The TS-673A-SW5T-US retains those NAS interfaces and adds the bundled QSW-1105-5T switch, which contributes 5x 2.5GbE ports. For buyers comparing TS-673A-8G-US versus TS-673A-SW5T-US, this is the most meaningful functional change.
If your deployment plan for TS-673A-8G-US already included adding a compact 2.5GbE switch, the TS-673A-SW5T-US bundle simplified that purchase. It effectively combined storage and access-layer 2.5GbE connectivity into one part number.
Warranty structure
Another practical difference is warranty coverage by component. Research indicates TS-673A-SW5T-US includes a 3-year NAS warranty plus a 2-year switch warranty. The discontinued TS-673A-8G-US was the standalone NAS model. For procurement teams, that matters when documenting asset coverage, service expectations, and bundle valuation.
Availability status
Although TS-673A-SW5T-US is the official replacement for TS-673A-8G-US, buyers should not assume it is broadly available. The research provided states TS-673A-SW5T-US is also out of stock and discontinued per distributor sources. In other words, TS-673A-SW5T-US is the official successor reference for TS-673A-8G-US, but channel availability may still be limited or unavailable depending on timing.
At-a-Glance Comparison
| Feature | TS-673A-8G-US | TS-673A-SW5T-US |
|---|---|---|
| Manufacturer | QNAP INC | QNAP INC |
| Status | Fully discontinued; no longer available for purchase | Official replacement for TS-673A-8G-US; also reported out of stock/discontinued per distributor |
| Replacement relationship | Original standalone NAS | Official replacement recommended by QNAP |
| Bundled components | Standalone NAS | NAS + QSW-1105-5T 5-port 2.5GbE switch |
| Processor | AMD Ryzen V1500B 4C/8T 2.2GHz | Same NAS platform |
| Memory | 8GB RAM | Same NAS platform |
| Drive bay / platform notes | 6-bay, up to 64GB ECC RAM support, 2x M.2 NVMe slots | Same NAS platform |
| NAS networking | 2x 2.5GbE | Same NAS + bundled switch adds 5x 2.5GbE ports |
| Other ports | USB 3.2 Gen 2, USB-C, 2x PCIe slots | Same NAS platform |
| Warranty | Standalone NAS warranty not expanded in provided research | 3-year NAS warranty + 2-year switch warranty |
| EOL date | Not announced | Not specified in provided research |
Upgrade Checklist
- Update internal product lists and BOMs to replace TS-673A-8G-US with TS-673A-SW5T-US as the official successor reference.
- Confirm whether you need only the NAS functionality of TS-673A-8G-US or the bundled 2.5GbE switch included with TS-673A-SW5T-US.
- Review current network design to determine whether the added 5-port 2.5GbE switch in TS-673A-SW5T-US fits your topology and port count requirements.
- Validate existing deployment assumptions, including 2x 2.5GbE on the NAS, USB 3.2 Gen 2, USB-C, and PCIe expansion requirements.
- Check memory and storage planning against the shared platform details, including support up to 64GB ECC RAM and 2x M.2 NVMe slots.
- Verify channel availability before issuing a purchase request, because TS-673A-SW5T-US is the official replacement for TS-673A-8G-US but is also reported out of stock or discontinued by distribution sources.
- Document warranty expectations separately for the NAS and switch if evaluating TS-673A-SW5T-US as a bundle asset.
- For refresh projects, identify any installed TS-673A-8G-US units and decide whether to maintain them in service, replace with available stock, or revise the standard to a currently purchasable alternative.
Bottom Line
The QNAP INC TS-673A-8G-US is fully discontinued, with TS-673A-SW5T-US listed by QNAP as the official replacement. The key difference is that TS-673A-SW5T-US packages the same NAS platform with a QSW-1105-5T 5-port 2.5GbE switch, but buyers should verify availability because the replacement bundle is also reported as out of stock or discontinued in channel research.
Ready to switch? Shop TS-673A-SW5T-US →
