As an Amazon Associate I earn from qualifying purchases. (Also includes AliExpress affiliate links.)
QNAP TVS-672X vs QNAP TVS-872XT
The quick verdict
- Lower power drawQNAP TVS-672Xdraws 45.6 W, 19.4 W less than the TVS-872XT
- Leads on more specsQNAP TVS-672X3 of 5 differing specs (weight 6.55 kg, volume 13.9 L)
- Best forTVS-872XT 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 5 specs that differ, the QNAP TVS-672X leads on 3 (weight, volume, and operating power) and the QNAP TVS-872XT on 2 (drive bays and base RAM). On our small-office file server index, the TVS-872XT scores 100/100 against 86/100.
Using the 12 specs published on QNAP's official hardware specification pages, here is how the QNAP TVS-672X and QNAP TVS-872XT compare. Drive bays: the TVS-872XT at 8 bays versus 6 bays for the TVS-672X, 2 bays more (1.3x). Among 219 QNAP models, the TVS-872XT ranks in the top 35% and the TVS-672X in the bottom 43%. The TVS-872XT leads on base RAM, 16 GB to 8 GB, 2.0x. Among 219 QNAP models, the TVS-872XT ranks in the top 14% and the TVS-672X in the top 23%. On weight, the TVS-672X posts 6.55 kg and the TVS-872XT 9.14 kg, a gap of 2.59 kg. Among 212 QNAP models, the TVS-672X ranks in the top 37% and the TVS-872XT in the bottom 43%. Volume: the TVS-672X at 13.9 L versus 16.6 L for the TVS-872XT, 2.7 L lower (1.2x). Among 217 QNAP models, the TVS-672X ranks in the bottom 49% and the TVS-872XT in the bottom 45%.
Key differences 3
Base RAMTVS-872XT leads
- TVS-872XT 16 GB vs the TVS-672X at 8 GB
- the TVS-872XT has 2.0x the base RAM
- among 219 QNAP models: TVS-872XT in the top 14%, TVS-672X in the top 23%
16 GB out of the box for several apps
Operating powerTVS-672X leads
- TVS-672X 45.6 W vs the TVS-872XT at 65 W
- the TVS-672X: 19.4 W less power
- among 208 QNAP models: TVS-672X in the top 33%, TVS-872XT in the bottom 48%
about 170.2 kWh less per year if left on 24/7
WeightTVS-672X leads
- TVS-672X 6.55 kg vs the TVS-872XT at 9.14 kg
- the TVS-672X: 2.59 kg lighter
- among 212 QNAP models: TVS-672X in the top 37%, TVS-872XT in the bottom 43%
2.59 kg lighter (about 2 1.5 L bottles)
Key specs at a glance
| Spec | TVS-672X | TVS-872XT |
|---|---|---|
| Base RAM | 8 GBtop 23% | 16 GBWINtop 14% |
| Operating power | 45.6 WWINtop 33% | 65 Wbottom 48% |
| Weight | 6.55 kgWINtop 37% | 9.14 kgbottom 43% |
| Drive bays | 6bottom 43% | 8WINtop 35% |
| Volume | 13.9 LWINbottom 49% | 16.6 Lbottom 45% |
Show every spec
| Spec | TVS-672X | TVS-872XT |
|---|---|---|
| Drive bays | 6bottom 43% | 8WINtop 35% |
| Base RAM | 8 GBtop 23% | 16 GBWINtop 14% |
| Max RAM | 64 GBtop 19% | 64 GBtop 19% |
| Max LAN speed | 10 Gbpstop 2% | 10 Gbpstop 2% |
| LAN ports | 3bottom 48% | 3bottom 48% |
| M.2 slots | 2top 4% | 2top 4% |
| PCIe slots | 2top 21% | 2top 21% |
| USB ports | 5top 18% | 5top 18% |
| Weight | 6.55 kgWINtop 37% | 9.14 kgbottom 43% |
| Volume | 13.9 LWINbottom 49% | 16.6 Lbottom 45% |
| Operating power | 45.6 WWINtop 33% | 65 Wbottom 48% |
| Warranty | 2 yrbottom 35% | 2 yrbottom 35% |
| Metric (0–100) | TVS-672X | TVS-872XT |
|---|---|---|
| Lightness percentile | 62.8WIN | 42.7 |
| Compactness percentile | 47.5WIN | 43.8 |
| Home media server fit | 100 | 100 |
| Small office fit | 86 | 100WIN |
| Low-power compact 24/7 fit | 36WIN | 15 |
The details
How to choose
- Operating power matters most → the TVS-672X (45.6 W vs 65 W)
- Base RAM matters most → the TVS-872XT (16 GB vs 8 GB)
More TVS-672X leads
- Volume: 13.9 L vs 16.6 L
More TVS-872XT leads
- Drive bays: 8 bays vs 6 bays
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 4 on both
- Total built-in LAN bandwidth (sum of port speeds): 12 Gbps on both
- Operating power per bay: TVS-672X 7.6 W vs 8.13 W
Combined metrics
- Weight per bay: TVS-672X 1.09 kg vs 1.14 kg
- Memory headroom (max minus base): TVS-672X 56 GB vs 48 GB
Same on both
- max RAM 64 GB, max LAN speed 10 Gbps, LAN ports 3, M.2 slots 2
- PCIe slots 2, USB ports 5, warranty 2 years
Use-case scores
- Small-office file server: TVS-872XT 100 vs 86
- Low-power compact 24/7 use: TVS-672X 36 vs 15
Variant TVS-672XT
- matches the TVS-672X on drive bays, base RAM, max RAM, and 7 more but differs on weight (7.89 kg vs 6.55 kg) and volume (13.3 L vs 13.9 L).
- Where values differ, this comparison does not carry over to the TVS-672XT.
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 TVS-672X or the QNAP TVS-872XT?
- The TVS-872XT, with 8 bays against 6 bays for the TVS-672X.
- Which draws less power, the QNAP TVS-672X or the QNAP TVS-872XT?
- The TVS-672X, with 45.6 W against 65 W for the TVS-872XT.
- Which is lighter, the QNAP TVS-672X or the QNAP TVS-872XT?
- The TVS-672X, with 6.55 kg against 9.14 kg for the TVS-872XT.
- Which use cases suit the QNAP TVS-672X and the QNAP TVS-872XT?
- A small-office file server: the TVS-872XT. (based on our own use-case index)