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QNAP TS-855X vs QNAP TVS-H877AX
The quick verdict
- Lower power drawQNAP TS-855Xdraws 87 W, 18.2 W less than the TVS-H877AX
- Leads on more specsQNAP TVS-H877AX6 of 8 differing specs (boost clock 5.1 GHz, base RAM 16 GB)
- Best forTS-855X for creators moving large video files fast
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 TS-855X leads on 2 (CPU cores and operating power) and the QNAP TVS-H877AX on 6 (boost clock, base RAM, max RAM, and 3 more). On our 10GbE video editing index, the TS-855X scores 99/100 against 63/100.
Using the 12 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-855X and QNAP TVS-H877AX compare. CPU cores: the TS-855X at 8 cores versus 6 cores for the TVS-H877AX, 2 cores more (1.3x). Among 204 QNAP models, the TS-855X ranks in the top 3% and the TVS-H877AX in the top 13%. The TVS-H877AX leads on boost clock, 5.1 GHz to 2.8 GHz, 1.8x. Among 201 QNAP models, the TVS-H877AX ranks in the top 4% and the TS-855X in the top 47%. On base RAM, the TVS-H877AX posts 16 GB and the TS-855X 8 GB, a gap of 8 GB. Among 219 QNAP models, the TVS-H877AX ranks in the top 14% and the TS-855X in the top 23%. Max RAM: the TVS-H877AX at 192 GB versus 128 GB for the TS-855X, 64 GB higher (1.5x). Among 219 QNAP models, the TVS-H877AX ranks in the top 1% and the TS-855X in the top 6%.
Key differences 3
Base RAMTVS-H877AX leads
- TVS-H877AX 16 GB vs the TS-855X at 8 GB
- the TVS-H877AX has 2.0x the base RAM
- among 219 QNAP models: TVS-H877AX in the top 14%, TS-855X in the top 23%
16 GB out of the box for several apps
Boost clockTVS-H877AX leads
- TVS-H877AX 5.1 GHz vs the TS-855X at 2.8 GHz
- the TVS-H877AX is 1.8x higher
- among 201 QNAP models: TVS-H877AX in the top 4%, TS-855X in the top 47%
WarrantyTVS-H877AX leads
- TVS-H877AX 5 years vs the TS-855X at 3 years
- the TVS-H877AX is 1.7x longer
- among 214 QNAP models: TVS-H877AX in the top 1%, TS-855X in the top 7%
2 more year(s) of free repairs
Key specs at a glance
| Spec | TS-855X | TVS-H877AX |
|---|---|---|
| Base RAM | 8 GBtop 23% | 16 GBWINtop 14% |
| Boost clock | 2.8 GHztop 47% | 5.1 GHzWINtop 4% |
| Warranty | 3 yrtop 7% | 5 yrWINtop 1% |
| Max RAM | 128 GBtop 6% | 192 GBWINtop 1% |
| CPU cores | 8WINtop 3% | 6top 13% |
| LAN ports | 3bottom 48% | 4WINtop 18% |
Show every spec
| Spec | TS-855X | TVS-H877AX |
|---|---|---|
| Drive bays | 8top 35% | 8top 35% |
| CPU cores | 8WINtop 3% | 6top 13% |
| Boost clock | 2.8 GHztop 47% | 5.1 GHzWINtop 4% |
| Base RAM | 8 GBtop 23% | 16 GBWINtop 14% |
| Max RAM | 128 GBtop 6% | 192 GBWINtop 1% |
| Max LAN speed | 10 Gbpstop 2% | 10 Gbpstop 2% |
| LAN ports | 3bottom 48% | 4WINtop 18% |
| M.2 slots | 2top 4% | – |
| PCIe slots | 2top 21% | – |
| USB ports | 4top 35% | 4top 35% |
| Weight | 10 kgbottom 35% | 8.88 kgWINbottom 45% |
| Volume | 21.1 Lbottom 31% | 21.1 Lbottom 31% |
| Operating power | 87 WWINbottom 31% | 105.1 Wbottom 24% |
| Warranty | 3 yrtop 7% | 5 yrWINtop 1% |
| Metric (0–100) | TS-855X | TVS-H877AX |
|---|---|---|
| Performance percentile | 88.5 | 91.1WIN |
| Lightness percentile | 34.1 | 44.5WIN |
| Compactness percentile | 30.1 | 30.1 |
| Home media server fit | No data | 74 |
| Small office fit | 100 | 100 |
| 10GbE video editing fit | 99WIN | 63 |
| Low-power compact 24/7 fit | 0 | 0 |
The details
How to choose
- CPU cores matters most → the TS-855X (8 cores vs 6 cores)
- Base RAM matters most → the TVS-H877AX (16 GB vs 8 GB)
More TS-855X leads
- CPU cores: 8 cores vs 6 cores
- Operating power: 87 W vs 105.1 W
More TVS-H877AX leads
- Max RAM: 192 GB vs 128 GB
- LAN ports: 4 ports vs 3 ports
- Weight: 8.88 kg vs 10 kg
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): TVS-H877AX 25 Gbps vs 15 Gbps
- Operating power per bay: TS-855X 10.9 W vs 13.1 W
Combined metrics
- Weight per bay: TVS-H877AX 1.11 kg vs 1.26 kg
- Memory headroom (max minus base): TVS-H877AX 176 GB vs 120 GB
Same on both
- drive bays 8, max LAN speed 10 Gbps, USB ports 4, volume 21.1 L
Use-case scores
- 10GbE video editing: TS-855X 99 vs 63
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-H877AX?
- The TVS-H877AX, with 192 GB against 128 GB for the TS-855X.
- Which draws less power, the QNAP TS-855X or the QNAP TVS-H877AX?
- The TS-855X, with 87 W against 105.1 W for the TVS-H877AX.
- Which is lighter, the QNAP TS-855X or the QNAP TVS-H877AX?
- The TVS-H877AX, with 8.88 kg against 10 kg for the TS-855X.
- Which use cases suit the QNAP TS-855X and the QNAP TVS-H877AX?
- 10GbE video editing: the TS-855X. (based on our own use-case index)