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QNAP TS-431XEU vs QNAP TS-435XEU
The quick verdict
- Leads on more specsQNAP TS-435XEU4 of 7 differing specs (boost clock 2.2 GHz, base RAM 4 GB)
- Best forTS-435XEU 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 7 specs that differ, the QNAP TS-435XEU leads on 4 (boost clock, base RAM, max RAM, and 1 more); 3 are within 2%. On our small-office file server index, the TS-435XEU scores 68/100 against 60/100.
Using the 12 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-431XEU and QNAP TS-435XEU compare. Boost clock: the TS-435XEU at 2.2 GHz versus 1.7 GHz for the TS-431XEU, 0.5 GHz higher (1.3x). Among 201 QNAP models, the TS-435XEU ranks in the bottom 37% and the TS-431XEU in the bottom 19%. The TS-435XEU leads on base RAM, 4 GB to 2 GB, 2.0x. Among 219 QNAP models, the TS-435XEU ranks in the bottom 47% and the TS-431XEU in the bottom 14%. On max RAM, the TS-435XEU posts 32 GB and the TS-431XEU 8 GB, a gap of 24 GB. Among 219 QNAP models, the TS-435XEU ranks in the top 50% and the TS-431XEU in the bottom 25%. LAN ports: the TS-435XEU at 4 ports versus 3 ports for the TS-431XEU, 1 port more (1.3x). Among 219 QNAP models, the TS-435XEU ranks in the top 18% and the TS-431XEU in the bottom 48%.
Key differences 3
Max RAMTS-435XEU leads
- TS-435XEU 32 GB vs the TS-431XEU at 8 GB
- the TS-435XEU has 4.0x the max RAM
- among 219 QNAP models: TS-435XEU in the top 50%, TS-431XEU in the bottom 25%
Upgradable to 32 GB later
Base RAMTS-435XEU leads
- TS-435XEU 4 GB vs the TS-431XEU at 2 GB
- the TS-435XEU has 2.0x the base RAM
- among 219 QNAP models: TS-435XEU in the bottom 47%, TS-431XEU in the bottom 14%
4 GB out of the box for several apps
LAN portsTS-435XEU leads
- TS-435XEU 4 ports vs the TS-431XEU at 3 ports
- the TS-435XEU has 1.3x the LAN ports
- among 219 QNAP models: TS-435XEU in the top 18%, TS-431XEU in the bottom 48%
4 ports for link bonding or separate networks
Key specs at a glance
| Spec | TS-431XEU | TS-435XEU |
|---|---|---|
| Max RAM | 8 GBbottom 25% | 32 GBWINtop 50% |
| Base RAM | 2 GBbottom 14% | 4 GBWINbottom 47% |
| LAN ports | 3bottom 48% | 4WINtop 18% |
| Boost clock | 1.7 GHzbottom 19% | 2.2 GHzWINbottom 37% |
Show every spec
| Spec | TS-431XEU | TS-435XEU |
|---|---|---|
| Drive bays | 4bottom 35% | 4bottom 35% |
| CPU cores | 4top 22% | 4top 22% |
| Boost clock | 1.7 GHzbottom 19% | 2.2 GHzWINbottom 37% |
| Base RAM | 2 GBbottom 14% | 4 GBWINbottom 47% |
| Max RAM | 8 GBbottom 25% | 32 GBWINtop 50% |
| Max LAN speed | 10 Gbpstop 2% | 10 Gbpstop 2% |
| LAN ports | 3bottom 48% | 4WINtop 18% |
| M.2 slots | – | 2top 4% |
| USB ports | 4top 35% | 4top 35% |
| Weight | 5 kgtop 33% | 4.91 kgtop 31% |
| Volume | 5.42 Ltop 12% | 5.44 Ltop 13% |
| Operating power | 31 Wtop 22% | 30.9 Wtop 21% |
| Warranty | 3 yrtop 7% | 3 yrtop 7% |
| Metric (0–100) | TS-431XEU | TS-435XEU |
|---|---|---|
| Performance percentile | 33.3 | 61.2WIN |
| Lightness percentile | 67.8 | 69WIN |
| Compactness percentile | 88WIN | 87 |
| Small office fit | 60 | 68WIN |
| 10GbE video editing fit | 52 | 73WIN |
| Low-power compact 24/7 fit | 24 | 24 |
The details
How to choose
- Max RAM matters most → the TS-435XEU (32 GB vs 8 GB)
More TS-435XEU leads
- Boost clock: 2.2 GHz vs 1.7 GHz
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): TS-435XEU 25 Gbps vs 12 Gbps
- Operating power per bay: TS-435XEU 7.72 W vs 7.75 W
Combined metrics
- Weight per bay: TS-435XEU 1.23 kg vs 1.25 kg
- Memory headroom (max minus base): TS-435XEU 28 GB vs 6 GB
Within 2%
- Weight: TS-431XEU 5 kg, TS-435XEU 4.91 kg
- Volume: TS-431XEU 5.42 L, TS-435XEU 5.44 L
- Operating power: TS-431XEU 31 W, TS-435XEU 30.9 W
Same on both
- drive bays 4, CPU cores 4, max LAN speed 10 Gbps
- USB ports 4, warranty 3 years
Use-case scores
- Small-office file server: TS-435XEU 68 vs 60
- 10GbE video editing: TS-435XEU 73 vs 52
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-431XEU or the QNAP TS-435XEU?
- The TS-435XEU, with 32 GB against 8 GB for the TS-431XEU.
- Which use cases suit the QNAP TS-431XEU and the QNAP TS-435XEU?
- A small-office file server: the TS-435XEU. 10GbE video editing: the TS-435XEU. (based on our own use-case index)