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QNAP TS-433 vs QNAP TS-453D
The quick verdict
- Lower power drawQNAP TS-433draws 22.5 W, 3.4 W less than the TS-453D
- Leads on more specsQNAP TS-453D5 of 8 differing specs (boost clock 2.7 GHz, base RAM 8 GB)
- Best forTS-433 for anyone running it 24/7 on little powerTS-453D 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 TS-433 leads on 3 (weight, volume, and operating power) and the QNAP TS-453D on 5 (boost clock, base RAM, max RAM, and 2 more). On our small-office file server index, the TS-453D scores 60/100 against 56/100.
Using the 12 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-433 and QNAP TS-453D compare. Boost clock: the TS-453D at 2.7 GHz versus 2 GHz for the TS-433, 0.7 GHz higher (1.4x). Among 201 QNAP models, the TS-453D ranks in the top 49% and the TS-433 in the bottom 27%. The TS-453D leads on base RAM, 8 GB to 4 GB, 2.0x. Among 219 QNAP models, the TS-453D ranks in the top 23% and the TS-433 in the bottom 47%. On max RAM, the TS-453D posts 8 GB and the TS-433 4 GB, a gap of 4 GB. Among 219 QNAP models, the TS-453D ranks in the bottom 25% and the TS-433 in the bottom 8%. USB ports: the TS-453D at 5 ports versus 3 ports for the TS-433, 2 ports more (1.7x). Among 219 QNAP models, the TS-453D ranks in the top 18% and the TS-433 in the bottom 27%.
Key differences 3
Base RAMTS-453D leads
- TS-453D 8 GB vs the TS-433 at 4 GB
- the TS-453D has 2.0x the base RAM
- among 219 QNAP models: TS-453D in the top 23%, TS-433 in the bottom 47%
8 GB out of the box for several apps
Max RAMTS-453D leads
- TS-453D 8 GB vs the TS-433 at 4 GB
- the TS-453D has 2.0x the max RAM
- among 219 QNAP models: TS-453D in the bottom 25%, TS-433 in the bottom 8%
Upgradable to 8 GB later
USB portsTS-453D leads
- TS-453D 5 ports vs the TS-433 at 3 ports
- the TS-453D has 1.7x the USB ports
- among 219 QNAP models: TS-453D in the top 18%, TS-433 in the bottom 27%
2 more USB for drives or a UPS
Key specs at a glance
| Spec | TS-433 | TS-453D |
|---|---|---|
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| Max RAM | 4 GBbottom 8% | 8 GBWINbottom 25% |
| USB ports | 3bottom 27% | 5WINtop 18% |
| Warranty | 2 yrbottom 35% | 3 yrWINtop 7% |
| Boost clock | 2 GHzbottom 27% | 2.7 GHzWINtop 49% |
| Operating power | 22.5 WWINtop 10% | 26 Wtop 14% |
Show every spec
| Spec | TS-433 | TS-453D |
|---|---|---|
| Drive bays | 4bottom 35% | 4bottom 35% |
| CPU cores | 4top 22% | 4top 22% |
| Boost clock | 2 GHzbottom 27% | 2.7 GHzWINtop 49% |
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| Max RAM | 4 GBbottom 8% | 8 GBWINbottom 25% |
| Max LAN speed | 2.5 Gbpsbottom 48% | 2.5 Gbpsbottom 48% |
| LAN ports | 2bottom 38% | 2bottom 38% |
| M.2 slots | – | 0bottom 46% |
| PCIe slots | – | 1top 49% |
| USB ports | 3bottom 27% | 5WINtop 18% |
| Weight | 2.07 kgWINtop 14% | 2.26 kgtop 15% |
| Volume | 5.83 LWINtop 17% | 6.46 Ltop 24% |
| Operating power | 22.5 WWINtop 10% | 26 Wtop 14% |
| Warranty | 2 yrbottom 35% | 3 yrWINtop 7% |
| Metric (0–100) | TS-433 | TS-453D |
|---|---|---|
| Performance percentile | 10.4 | 24WIN |
| Lightness percentile | 86.7WIN | 85.1 |
| Compactness percentile | 82.2WIN | 76.2 |
| Home media server fit | No data | 100 |
| Small office fit | 56 | 60WIN |
| 10GbE video editing fit | 2 | 25WIN |
| Low-power compact 24/7 fit | 70WIN | 66 |
The details
How to choose
- Operating power matters most → the TS-433 (22.5 W vs 26 W)
- Base RAM matters most → the TS-453D (8 GB vs 4 GB)
More TS-433 leads
- Operating power: 22.5 W vs 26 W
- Volume: 5.83 L vs 6.46 L
- Weight: 2.07 kg vs 2.26 kg
More TS-453D leads
- Warranty: 3 years vs 2 years
- Boost clock: 2.7 GHz vs 2 GHz
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): TS-453D 5 Gbps vs 3.5 Gbps
- Operating power per bay: TS-433 5.64 W vs 6.5 W
Combined metrics
- Weight per bay: TS-433 0.52 kg vs 0.57 kg
- Memory headroom (max minus base): 0 GB on both
Same on both
- drive bays 4, CPU cores 4, max LAN speed 2.5 Gbps, LAN ports 2
Use-case scores
- Small-office file server: TS-453D 60 vs 56
- 10GbE video editing: TS-453D 25 vs 2
- Low-power compact 24/7 use: TS-433 70 vs 66
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-433 or the QNAP TS-453D?
- The TS-453D, with 8 GB against 4 GB for the TS-433.
- Which draws less power, the QNAP TS-433 or the QNAP TS-453D?
- The TS-433, with 22.5 W against 26 W for the TS-453D.
- Which is lighter, the QNAP TS-433 or the QNAP TS-453D?
- The TS-433, with 2.07 kg against 2.26 kg for the TS-453D.
- Which use cases suit the QNAP TS-433 and the QNAP TS-453D?
- A small-office file server: the TS-453D. Low-power compact 24/7 use: the TS-433. (based on our own use-case index)