As an Amazon Associate I earn from qualifying purchases. (Also includes AliExpress affiliate links.)
QNAP TS-855X vs QNAP TVS-872X
The quick verdict
- Lower power drawQNAP TVS-872Xdraws 65 W, 21.9 W less than the TS-855X
- Leads on more specsQNAP TVS-872X4 of 6 differing specs (USB ports 5, weight 7.06 kg)
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-855X leads on 2 (max RAM and warranty) and the QNAP TVS-872X on 4 (USB ports, weight, volume, and 1 more). On our low-power compact 24/7 use index, the TVS-872X scores 13/100 against 0/100.
Using the 12 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-855X and QNAP TVS-872X compare. Max RAM: the TS-855X at 128 GB versus 64 GB for the TVS-872X, 64 GB higher (2.0x). Among 219 QNAP models, the TS-855X ranks in the top 6% and the TVS-872X in the top 19%. The TVS-872X leads on USB ports, 5 ports to 4 ports, 1.2x. Among 219 QNAP models, the TVS-872X ranks in the top 18% and the TS-855X in the top 35%. On weight, the TVS-872X posts 7.06 kg and the TS-855X 10 kg, a gap of 2.94 kg. Among 212 QNAP models, the TVS-872X ranks in the top 41% and the TS-855X in the bottom 36%. Volume: the TVS-872X at 17.3 L versus 21.1 L for the TS-855X, 3.8 L lower (1.2x). Among 217 QNAP models, the TVS-872X ranks in the bottom 41% and the TS-855X in the bottom 31%.
Key differences 3
Max RAMTS-855X leads
- TS-855X 128 GB vs the TVS-872X at 64 GB
- the TS-855X has 2.0x the max RAM
- among 219 QNAP models: TS-855X in the top 6%, TVS-872X in the top 19%
Upgradable to 128 GB later
WarrantyTS-855X leads
- TS-855X 3 years vs the TVS-872X at 2 years
- the TS-855X is 1.5x longer
- among 214 QNAP models: TS-855X in the top 7%, TVS-872X in the bottom 35%
1 more year(s) of free repairs
WeightTVS-872X leads
- TVS-872X 7.06 kg vs the TS-855X at 10 kg
- the TVS-872X: 2.94 kg lighter
- among 212 QNAP models: TVS-872X in the top 41%, TS-855X in the bottom 36%
2.98 kg lighter (about 2 1.5 L bottles)
Key specs at a glance
| Spec | TS-855X | TVS-872X |
|---|---|---|
| Max RAM | 128 GBWINtop 6% | 64 GBtop 19% |
| Warranty | 3 yrWINtop 7% | 2 yrbottom 35% |
| Weight | 10 kgbottom 35% | 7.06 kgWINtop 41% |
| Operating power | 87 Wbottom 31% | 65 WWINbottom 48% |
| USB ports | 4top 35% | 5WINtop 18% |
| Volume | 21.1 Lbottom 31% | 17.3 LWINbottom 41% |
Show every spec
| Spec | TS-855X | TVS-872X |
|---|---|---|
| Drive bays | 8top 35% | 8top 35% |
| CPU cores | 8top 3% | – |
| Boost clock | 2.8 GHztop 47% | – |
| Base RAM | 8 GBtop 23% | 8 GBtop 23% |
| Max RAM | 128 GBWINtop 6% | 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 | 4top 35% | 5WINtop 18% |
| Weight | 10 kgbottom 35% | 7.06 kgWINtop 41% |
| Volume | 21.1 Lbottom 31% | 17.3 LWINbottom 41% |
| Operating power | 87 Wbottom 31% | 65 WWINbottom 48% |
| Warranty | 3 yrWINtop 7% | 2 yrbottom 35% |
| Metric (0–100) | TS-855X | TVS-872X |
|---|---|---|
| Performance percentile | 88.5 | No data |
| Lightness percentile | 34.1 | 59.5WIN |
| Compactness percentile | 30.1 | 39.4WIN |
| Home media server fit | No data | 100 |
| Small office fit | 100 | 100 |
| 10GbE video editing fit | 99 | No data |
| Low-power compact 24/7 fit | 0 | 13WIN |
The details
How to choose
- Max RAM matters most → the TS-855X (128 GB vs 64 GB)
- Weight matters most → the TVS-872X (7.06 kg vs 10 kg)
More TVS-872X leads
- Operating power: 65 W vs 87 W
- USB ports: 5 ports vs 4 ports
- Volume: 17.3 L vs 21.1 L
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 4 on both
- Total built-in LAN bandwidth (sum of port speeds): TS-855X 15 Gbps vs 12 Gbps
- Operating power per bay: TVS-872X 8.13 W vs 10.9 W
Combined metrics
- Weight per bay: TVS-872X 0.88 kg vs 1.26 kg
- Memory headroom (max minus base): TS-855X 120 GB vs 56 GB
Same on both
- drive bays 8, base RAM 8 GB, max LAN speed 10 Gbps
- LAN ports 3, M.2 slots 2, PCIe slots 2
Use-case scores
- Low-power compact 24/7 use: TVS-872X 13 vs 0
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which takes more RAM, the QNAP TS-855X or the QNAP TVS-872X?
- The TS-855X, with 128 GB against 64 GB for the TVS-872X.
- Which draws less power, the QNAP TS-855X or the QNAP TVS-872X?
- The TVS-872X, with 65 W against 87 W for the TS-855X.
- Which is lighter, the QNAP TS-855X or the QNAP TVS-872X?
- The TVS-872X, with 7.06 kg against 10 kg for the TS-855X.