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QNAP TS-873A vs QNAP TVS-675
The quick verdict
- Lower power drawQNAP TS-873Adraws 54.1 W, 6.7 W less than the TVS-675
- Leads on more specsQNAP TVS-6754 of 6 differing specs (CPU cores 8, boost clock 2.5 GHz)
- Best forTS-873A for small offices sharing filesTVS-675 for people who keep movies and photos at home
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. Of the 6 specs that differ, the QNAP TS-873A leads on 2 (drive bays and operating power) and the QNAP TVS-675 on 4 (CPU cores, boost clock, weight, and 1 more). On our home media server index, the TVS-675 scores 100/100 against 80/100.
Using the 14 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-873A and QNAP TVS-675 compare. Drive bays: the TS-873A at 8 bays versus 6 bays for the TVS-675, 2 bays more (1.3x). Among 219 QNAP models, the TS-873A ranks in the top 35% and the TVS-675 in the bottom 43%. The TVS-675 leads on CPU cores, 8 cores to 4 cores, 2.0x. Among 204 QNAP models, the TVS-675 ranks in the top 3% and the TS-873A in the top 22%. On boost clock, the TVS-675 posts 2.5 GHz and the TS-873A 2.2 GHz, a gap of 0.3 GHz. Among 201 QNAP models, the TVS-675 ranks in the bottom 45% and the TS-873A in the bottom 37%. Weight: the TVS-675 at 7 kg versus 7.4 kg for the TS-873A, 0.4 kg lower. Among 212 QNAP models, the TVS-675 ranks in the top 40% and the TS-873A in the top 43%.
Key differences 3
CPU coresTVS-675 leads
- TVS-675 8 cores vs the TS-873A at 4 cores
- the TVS-675 has 2.0x the CPU cores
- among 204 QNAP models: TVS-675 in the top 3%, TS-873A in the top 22%
8 cores for backups and transcodes at once
Drive baysTS-873A leads
- TS-873A 8 bays vs the TVS-675 at 6 bays
- the TS-873A has 1.3x the drive bays
- among 219 QNAP models: TS-873A in the top 35%, TVS-675 in the bottom 43%
With 8 TB drives: 64 TB vs 48 TB raw
VolumeTVS-675 leads
- TVS-675 13.3 L vs the TS-873A at 16.6 L
- the TVS-675: 3.3 L smaller
- among 217 QNAP models: TVS-675 in the top 50%, TS-873A in the bottom 45%
3.28 L smaller on the shelf
Key specs at a glance
| Spec | TS-873A | TVS-675 |
|---|---|---|
| CPU cores | 4top 22% | 8WINtop 3% |
| Drive bays | 8WINtop 35% | 6bottom 43% |
| Volume | 16.6 Lbottom 45% | 13.3 LWINtop 50% |
| Boost clock | 2.2 GHzbottom 37% | 2.5 GHzWINbottom 45% |
| Operating power | 54.1 WWINtop 41% | 60.8 Wtop 49% |
| Weight | 7.4 kgtop 43% | 7 kgWINtop 40% |
Show every spec
| Spec | TS-873A | TVS-675 |
|---|---|---|
| Drive bays | 8WINtop 35% | 6bottom 43% |
| CPU cores | 4top 22% | 8WINtop 3% |
| Boost clock | 2.2 GHzbottom 37% | 2.5 GHzWINbottom 45% |
| Base RAM | 8 GBtop 23% | 8 GBtop 23% |
| Max RAM | 64 GBtop 19% | 64 GBtop 19% |
| Max LAN speed | 2.5 Gbpsbottom 48% | 2.5 Gbpsbottom 48% |
| LAN ports | 2bottom 38% | 2bottom 38% |
| M.2 slots | 2top 4% | 2top 4% |
| PCIe slots | 2top 21% | 2top 21% |
| USB ports | 4top 35% | 4top 35% |
| Weight | 7.4 kgtop 43% | 7 kgWINtop 40% |
| Volume | 16.6 Lbottom 45% | 13.3 LWINtop 50% |
| Operating power | 54.1 WWINtop 41% | 60.8 Wtop 49% |
| Warranty | 3 yrtop 7% | 3 yrtop 7% |
| Metric (0–100) | TS-873A | TVS-675 |
|---|---|---|
| Performance percentile | 46.9 | 74.5WIN |
| Lightness percentile | 56.9 | 60.7WIN |
| Compactness percentile | 43.8 | 49.5WIN |
| Home media server fit | 80 | 100WIN |
| Small office fit | 100WIN | 86 |
| 10GbE video editing fit | 45 | 51WIN |
| Low-power compact 24/7 fit | 24 | 25WIN |
The details
How to choose
- Drive bays matters most → the TS-873A (8 bays vs 6 bays)
- CPU cores matters most → the TVS-675 (8 cores vs 4 cores)
More TS-873A leads
- Operating power: 54.1 W vs 60.8 W
More TVS-675 leads
- Boost clock: 2.5 GHz vs 2.2 GHz
- Weight: 7 kg vs 7.4 kg
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 4 on both
- Total built-in LAN bandwidth (sum of port speeds): 5 Gbps on both
- Operating power per bay: TS-873A 6.76 W vs 10.1 W
Combined metrics
- Weight per bay: TS-873A 0.93 kg vs 1.17 kg
- Memory headroom (max minus base): 56 GB on both
Same on both
- base RAM 8 GB, max RAM 64 GB, max LAN speed 2.5 Gbps, LAN ports 2
- M.2 slots 2, PCIe slots 2, USB ports 4, warranty 3 years
Use-case scores
- Home media server: TVS-675 100 vs 80
- Small-office file server: TS-873A 100 vs 86
Use-case scores
- 10GbE video editing: TVS-675 51 vs 45
- Low-power compact 24/7 use: TVS-675 25 vs 24
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which has more drive bays, the QNAP TS-873A or the QNAP TVS-675?
- The TS-873A, with 8 bays against 6 bays for the TVS-675.
- Which draws less power, the QNAP TS-873A or the QNAP TVS-675?
- The TS-873A, with 54.1 W against 60.8 W for the TVS-675.
- Which is lighter, the QNAP TS-873A or the QNAP TVS-675?
- The TVS-675, with 7 kg against 7.4 kg for the TS-873A.
- Which use cases suit the QNAP TS-873A and the QNAP TVS-675?
- A home media server: the TVS-675. A small-office file server: the TS-873A. 10GbE video editing: the TVS-675. (based on our own use-case index)