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QNAP TS-473A vs QNAP TS-673
The quick verdict
- Lower power drawQNAP TS-473Adraws 29.8 W, 33.9 W less than the TS-673
- Leads on more specsQNAP TS-473A7 of 9 differing specs (boost clock 2.2 GHz, base RAM 8 GB)
- Best forTS-473A for anyone running it 24/7 on little power
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. Of the 9 specs that differ, the QNAP TS-473A leads on 7 (boost clock, base RAM, max LAN speed, and 4 more) and the QNAP TS-673 on 2 (drive bays and LAN ports). On our home media server index, the TS-473A scores 80/100 against 76/100.
Using the 14 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-473A and QNAP TS-673 compare. Drive bays: the TS-673 at 6 bays versus 4 bays for the TS-473A, 2 bays more (1.5x). Among 219 QNAP models, the TS-673 ranks in the bottom 43% and the TS-473A in the bottom 35%. The TS-473A leads on boost clock, 2.2 GHz to 2.1 GHz. Among 201 QNAP models, the TS-473A ranks in the bottom 37% and the TS-673 in the bottom 31%. On base RAM, the TS-473A posts 8 GB and the TS-673 4 GB, a gap of 4 GB. Among 219 QNAP models, the TS-473A ranks in the top 23% and the TS-673 in the bottom 47%. Max LAN speed: the TS-473A at 2.5 Gbps versus 1 Gbps for the TS-673, 1.5 Gbps higher (2.5x). Among 219 QNAP models, the TS-473A ranks in the bottom 48% and the TS-673 in the bottom 22%.
Key differences 3
Max LAN speedTS-473A leads
- TS-473A 2.5 Gbps vs the TS-673 at 1 Gbps
- the TS-473A is 2.5x faster
- among 219 QNAP models: TS-473A in the bottom 48%, TS-673 in the bottom 22%
100 GB copy: about 5 min vs about 13 min (theoretical)
Operating powerTS-473A leads
- TS-473A 29.8 W vs the TS-673 at 63.7 W
- the TS-473A: 33.9 W less power
- among 208 QNAP models: TS-473A in the top 20%, TS-673 in the bottom 50%
about 296.9 kWh less per year if left on 24/7
Base RAMTS-473A leads
- TS-473A 8 GB vs the TS-673 at 4 GB
- the TS-473A has 2.0x the base RAM
- among 219 QNAP models: TS-473A in the top 23%, TS-673 in the bottom 47%
8 GB out of the box for several apps
Key specs at a glance
| Spec | TS-473A | TS-673 |
|---|---|---|
| Max LAN speed | 2.5 GbpsWINbottom 48% | 1 Gbpsbottom 22% |
| Operating power | 29.8 WWINtop 20% | 63.7 Wbottom 50% |
| Base RAM | 8 GBWINtop 23% | 4 GBbottom 47% |
| LAN ports | 2bottom 38% | 4WINtop 18% |
| Drive bays | 4bottom 35% | 6WINbottom 43% |
| Warranty | 3 yrWINtop 7% | 2 yrbottom 35% |
Show every spec
| Spec | TS-473A | TS-673 |
|---|---|---|
| Drive bays | 4bottom 35% | 6WINbottom 43% |
| CPU cores | 4top 22% | 4top 22% |
| Boost clock | 2.2 GHzWINbottom 37% | 2.1 GHzbottom 31% |
| Base RAM | 8 GBWINtop 23% | 4 GBbottom 47% |
| Max RAM | 64 GBtop 19% | 64 GBtop 19% |
| Max LAN speed | 2.5 GbpsWINbottom 48% | 1 Gbpsbottom 22% |
| LAN ports | 2bottom 38% | 4WINtop 18% |
| M.2 slots | 2top 4% | 2top 4% |
| PCIe slots | 2top 21% | 2top 21% |
| USB ports | 4top 35% | 4top 35% |
| Weight | 5.54 kgWINtop 33% | 5.85 kgtop 33% |
| Volume | 10 LWINtop 37% | 13.9 Lbottom 49% |
| Operating power | 29.8 WWINtop 20% | 63.7 Wbottom 50% |
| Warranty | 3 yrWINtop 7% | 2 yrbottom 35% |
| Metric (0–100) | TS-473A | TS-673 |
|---|---|---|
| Performance percentile | 46.9WIN | 37 |
| Lightness percentile | 67.3WIN | 66.6 |
| Compactness percentile | 62.5WIN | 47.5 |
| Home media server fit | 80WIN | 76 |
| Small office fit | 72WIN | 66 |
| 10GbE video editing fit | 45WIN | 43 |
| Low-power compact 24/7 fit | 56WIN | 21 |
The details
How to choose
- Max LAN speed matters most → the TS-473A (2.5 Gbps vs 1 Gbps)
- LAN ports matters most → the TS-673 (4 ports vs 2 ports)
More TS-473A leads (performance and memory)
- Boost clock: 2.2 GHz vs 2.1 GHz
More TS-473A leads (size, power and warranty)
- Warranty: 3 years vs 2 years
- Volume: 10 L vs 13.9 L
- Weight: 5.54 kg vs 5.85 kg
More TS-673 leads
- LAN ports: 4 ports vs 2 ports
- Drive bays: 6 bays vs 4 bays
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 4 on both
- Total built-in LAN bandwidth (sum of port speeds): TS-473A 5 Gbps vs 4 Gbps
- Operating power per bay: TS-473A 7.45 W vs 10.6 W
Combined metrics
- Weight per bay: TS-673 0.98 kg vs 1.39 kg
- Memory headroom (max minus base): TS-673 60 GB vs 56 GB
Same on both
- CPU cores 4, max RAM 64 GB, M.2 slots 2
- PCIe slots 2, USB ports 4
Use-case scores
- Home media server: TS-473A 80 vs 76
- Small-office file server: TS-473A 72 vs 66
Use-case scores
- 10GbE video editing: TS-473A 45 vs 43
- Low-power compact 24/7 use: TS-473A 56 vs 21
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which has the faster built-in LAN, the QNAP TS-473A or the QNAP TS-673?
- The TS-473A, with 2.5 Gbps against 1 Gbps for the TS-673.
- Which has more drive bays, the QNAP TS-473A or the QNAP TS-673?
- The TS-673, with 6 bays against 4 bays for the TS-473A.
- Which draws less power, the QNAP TS-473A or the QNAP TS-673?
- The TS-473A, with 29.8 W against 63.7 W for the TS-673.
- Which is lighter, the QNAP TS-473A or the QNAP TS-673?
- The TS-473A, with 5.54 kg against 5.85 kg for the TS-673.
- Which use cases suit the QNAP TS-473A and the QNAP TS-673?
- A home media server: the TS-473A. A small-office file server: the TS-473A. Low-power compact 24/7 use: the TS-473A. (based on our own use-case index)