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QNAP TVS-672N vs QNAP TVS-951X
The quick verdict
- Lower power drawQNAP TVS-951Xdraws 39.4 W, 6.2 W less than the TVS-672N
- Leads on more specsQNAP TVS-951X5 of 8 differing specs (drive bays 9, max LAN speed 10 Gbps)
- Best forTVS-672N for people who keep movies and photos at homeTVS-951X for small offices sharing files
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. Of the 8 specs that differ, the QNAP TVS-672N leads on 3 (base RAM, LAN ports, and USB ports) and the QNAP TVS-951X on 5 (drive bays, max LAN speed, weight, and 2 more). On our home media server index, the TVS-672N scores 96/100 against 67/100.
Using the 10 specs published on QNAP's official hardware specification pages, here is how the QNAP TVS-672N and QNAP TVS-951X compare. Drive bays: the TVS-951X at 9 bays versus 6 bays for the TVS-672N, 3 bays more (1.5x). Among 219 QNAP models, the TVS-951X ranks in the top 29% and the TVS-672N in the bottom 43%. The TVS-672N leads on base RAM, 4 GB to 2 GB, 2.0x. Among 219 QNAP models, the TVS-672N ranks in the bottom 47% and the TVS-951X in the bottom 14%. On max LAN speed, the TVS-951X posts 10 Gbps and the TVS-672N 5 Gbps, a gap of 5 Gbps. Among 219 QNAP models, the TVS-951X ranks in the top 2% and the TVS-672N in the bottom 48%. LAN ports: the TVS-672N at 3 ports versus 2 ports for the TVS-951X, 1 port more (1.5x). Among 219 QNAP models, the TVS-672N ranks in the bottom 48% and the TVS-951X in the bottom 38%.
Key differences 3
Base RAMTVS-672N leads
- TVS-672N 4 GB vs the TVS-951X at 2 GB
- the TVS-672N has 2.0x the base RAM
- among 219 QNAP models: TVS-672N in the bottom 47%, TVS-951X in the bottom 14%
4 GB out of the box for several apps
Max LAN speedTVS-951X leads
- TVS-951X 10 Gbps vs the TVS-672N at 5 Gbps
- the TVS-951X is 2.0x faster
- among 219 QNAP models: TVS-951X in the top 2%, TVS-672N in the bottom 48%
100 GB copy: about 80 s vs about 3 min (theoretical)
WeightTVS-951X leads
- TVS-951X 3.53 kg vs the TVS-672N at 6.55 kg
- the TVS-951X: 3.02 kg lighter
- among 212 QNAP models: TVS-951X in the top 24%, TVS-672N in the top 37%
3.02 kg lighter (about 2 1.5 L bottles)
Key specs at a glance
| Spec | TVS-672N | TVS-951X |
|---|---|---|
| Base RAM | 4 GBWINbottom 47% | 2 GBbottom 14% |
| Max LAN speed | 5 Gbpsbottom 48% | 10 GbpsWINtop 2% |
| Weight | 6.55 kgtop 37% | 3.53 kgWINtop 24% |
| Volume | 13.9 Lbottom 49% | 9.18 LWINtop 33% |
| Drive bays | 6bottom 43% | 9WINtop 29% |
| LAN ports | 3WINbottom 48% | 2bottom 38% |
Show every spec
| Spec | TVS-672N | TVS-951X |
|---|---|---|
| Drive bays | 6bottom 43% | 9WINtop 29% |
| CPU cores | – | 2bottom 9% |
| Boost clock | – | 1.8 GHzbottom 20% |
| Base RAM | 4 GBWINbottom 47% | 2 GBbottom 14% |
| Max RAM | 32 GBtop 50% | 32 GBtop 50% |
| Max LAN speed | 5 Gbpsbottom 48% | 10 GbpsWINtop 2% |
| LAN ports | 3WINbottom 48% | 2bottom 38% |
| M.2 slots | 2top 4% | – |
| PCIe slots | 2top 21% | – |
| USB ports | 5WINtop 18% | 4top 35% |
| Weight | 6.55 kgtop 37% | 3.53 kgWINtop 24% |
| Volume | 13.9 Lbottom 49% | 9.18 LWINtop 33% |
| Operating power | 45.6 Wtop 33% | 39.4 WWINtop 28% |
| Warranty | 2 yrbottom 35% | 2 yrbottom 35% |
| Metric (0–100) | TVS-672N | TVS-951X |
|---|---|---|
| Performance percentile | No data | 30.5 |
| Lightness percentile | 62.8 | 75.8WIN |
| Compactness percentile | 47.5 | 66.7WIN |
| Home media server fit | 96WIN | 67 |
| Small office fit | 82 | 96WIN |
| 10GbE video editing fit | No data | 51 |
| Low-power compact 24/7 fit | 36 | 50WIN |
The details
How to choose
- Base RAM matters most → the TVS-672N (4 GB vs 2 GB)
- Max LAN speed matters most → the TVS-951X (10 Gbps vs 5 Gbps)
More TVS-672N leads
- LAN ports: 3 ports vs 2 ports
- USB ports: 5 ports vs 4 ports
More TVS-951X leads
- Volume: 9.18 L vs 13.9 L
- Drive bays: 9 bays vs 6 bays
- Operating power: 39.4 W vs 45.6 W
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): TVS-951X 11 Gbps vs 7 Gbps
- Operating power per bay: TVS-951X 4.37 W vs 7.6 W
Combined metrics
- Weight per bay: TVS-951X 0.39 kg vs 1.09 kg
- Memory headroom (max minus base): TVS-951X 30 GB vs 28 GB
Same on both
- max RAM 32 GB, warranty 2 years
Use-case scores
- Home media server: TVS-672N 96 vs 67
- Small-office file server: TVS-951X 96 vs 82
- Low-power compact 24/7 use: TVS-951X 50 vs 36
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 TVS-672N or the QNAP TVS-951X?
- The TVS-951X, with 10 Gbps against 5 Gbps for the TVS-672N.
- Which has more drive bays, the QNAP TVS-672N or the QNAP TVS-951X?
- The TVS-951X, with 9 bays against 6 bays for the TVS-672N.
- Which draws less power, the QNAP TVS-672N or the QNAP TVS-951X?
- The TVS-951X, with 39.4 W against 45.6 W for the TVS-672N.
- Which is lighter, the QNAP TVS-672N or the QNAP TVS-951X?
- The TVS-951X, with 3.53 kg against 6.55 kg for the TVS-672N.
- Which use cases suit the QNAP TVS-672N and the QNAP TVS-951X?
- A home media server: the TVS-672N. A small-office file server: the TVS-951X. Low-power compact 24/7 use: the TVS-951X. (based on our own use-case index)