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QNAP TS-853BU vs QNAP TS-853DU-RP
The quick verdict
- Lower power drawQNAP TS-853BUdraws 52.1 W, 3.5 W less than the TS-853DU-RP
- Leads on more specsQNAP TS-853DU-RP4 of 6 differing specs (boost clock 2.7 GHz, max LAN speed 2.5 Gbps)
- Best forTS-853DU-RP for people who keep movies and photos at home
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-853BU leads on 2 (LAN ports and operating power) and the QNAP TS-853DU-RP on 4 (boost clock, max LAN speed, weight, and 1 more). On our home media server index, the TS-853DU-RP scores 51/100 against 31/100.
Using the 14 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-853BU and QNAP TS-853DU-RP compare. Boost clock: the TS-853DU-RP at 2.7 GHz versus 2.3 GHz for the TS-853BU, 0.4 GHz higher (1.2x). Among 201 QNAP models, the TS-853DU-RP ranks in the top 49% and the TS-853BU in the bottom 44%. The TS-853DU-RP leads on max LAN speed, 2.5 Gbps to 1 Gbps, 2.5x. Among 219 QNAP models, the TS-853DU-RP ranks in the bottom 48% and the TS-853BU in the bottom 22%. On LAN ports, the TS-853BU posts 4 ports and the TS-853DU-RP 2 ports, a gap of 2 ports. Among 219 QNAP models, the TS-853BU ranks in the top 18% and the TS-853DU-RP in the bottom 38%. Weight: the TS-853DU-RP at 8.89 kg versus 10 kg for the TS-853BU, 1.11 kg lower. Among 212 QNAP models, the TS-853DU-RP ranks in the bottom 45% and the TS-853BU in the bottom 36%.
Key differences 3
Max LAN speedTS-853DU-RP leads
- TS-853DU-RP 2.5 Gbps vs the TS-853BU at 1 Gbps
- the TS-853DU-RP is 2.5x faster
- among 219 QNAP models: TS-853DU-RP in the bottom 48%, TS-853BU in the bottom 22%
100 GB copy: about 5 min vs about 13 min (theoretical)
LAN portsTS-853BU leads
- TS-853BU 4 ports vs the TS-853DU-RP at 2 ports
- the TS-853BU has 2.0x the LAN ports
- among 219 QNAP models: TS-853BU in the top 18%, TS-853DU-RP in the bottom 38%
4 ports for link bonding or separate networks
VolumeTS-853DU-RP leads
- TS-853DU-RP 18.1 L vs the TS-853BU at 22.9 L
- the TS-853DU-RP: 4.8 L smaller
- among 217 QNAP models: TS-853DU-RP in the bottom 39%, TS-853BU in the bottom 28%
4.78 L smaller on the shelf
Key specs at a glance
| Spec | TS-853BU | TS-853DU-RP |
|---|---|---|
| Max LAN speed | 1 Gbpsbottom 22% | 2.5 GbpsWINbottom 48% |
| LAN ports | 4WINtop 18% | 2bottom 38% |
| Volume | 22.9 Lbottom 28% | 18.1 LWINbottom 39% |
| Boost clock | 2.3 GHzbottom 44% | 2.7 GHzWINtop 49% |
| Weight | 10 kgbottom 35% | 8.89 kgWINbottom 45% |
| Operating power | 52.1 WWINtop 39% | 55.6 Wtop 44% |
Show every spec
| Spec | TS-853BU | TS-853DU-RP |
|---|---|---|
| Drive bays | 8top 35% | 8top 35% |
| CPU cores | 4top 22% | 4top 22% |
| Boost clock | 2.3 GHzbottom 44% | 2.7 GHzWINtop 49% |
| Base RAM | 4 GBbottom 47% | 4 GBbottom 47% |
| Max RAM | 8 GBbottom 25% | 8 GBbottom 25% |
| Max LAN speed | 1 Gbpsbottom 22% | 2.5 GbpsWINbottom 48% |
| LAN ports | 4WINtop 18% | 2bottom 38% |
| M.2 slots | 0bottom 46% | 0bottom 46% |
| PCIe slots | 1top 49% | 1top 49% |
| USB ports | 4top 35% | 4top 35% |
| Weight | 10 kgbottom 35% | 8.89 kgWINbottom 45% |
| Volume | 22.9 Lbottom 28% | 18.1 LWINbottom 39% |
| Operating power | 52.1 WWINtop 39% | 55.6 Wtop 44% |
| Warranty | 3 yrtop 7% | 3 yrtop 7% |
| Metric (0–100) | TS-853BU | TS-853DU-RP |
|---|---|---|
| Performance percentile | 17.2 | 24WIN |
| Lightness percentile | 34.6 | 44.1WIN |
| Compactness percentile | 23.4 | 37.7WIN |
| Home media server fit | 31 | 51WIN |
| Small office fit | 68 | 88WIN |
| 10GbE video editing fit | 23 | 25WIN |
| Low-power compact 24/7 fit | 0 | 0 |
The details
How to choose
- LAN ports matters most → the TS-853BU (4 ports vs 2 ports)
- Max LAN speed matters most → the TS-853DU-RP (2.5 Gbps vs 1 Gbps)
More TS-853BU leads
- Operating power: 52.1 W vs 55.6 W
More TS-853DU-RP leads
- Boost clock: 2.7 GHz vs 2.3 GHz
- Weight: 8.89 kg vs 10 kg
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 1 on both
- Total built-in LAN bandwidth (sum of port speeds): TS-853DU-RP 5 Gbps vs 4 Gbps
- Operating power per bay: TS-853BU 6.51 W vs 6.95 W
Combined metrics
- Weight per bay: TS-853DU-RP 1.11 kg vs 1.25 kg
- Memory headroom (max minus base): 4 GB on both
Same on both
- drive bays 8, CPU cores 4, base RAM 4 GB, max RAM 8 GB
- M.2 slots 0, PCIe slots 1, USB ports 4, warranty 3 years
Use-case scores
- Home media server: TS-853DU-RP 51 vs 31
- Small-office file server: TS-853DU-RP 88 vs 68
- 10GbE video editing: TS-853DU-RP 25 vs 23
Variant TS-853BU-RP
- matches the TS-853BU on drive bays, CPU cores, boost clock, and 9 more but differs on weight (11.3 kg vs 10 kg) and operating power (63.3 W vs 52.1 W).
- Where values differ, this comparison does not carry over to the TS-853BU-RP.
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which has the faster built-in LAN, the QNAP TS-853BU or the QNAP TS-853DU-RP?
- The TS-853DU-RP, with 2.5 Gbps against 1 Gbps for the TS-853BU.
- Which draws less power, the QNAP TS-853BU or the QNAP TS-853DU-RP?
- The TS-853BU, with 52.1 W against 55.6 W for the TS-853DU-RP.
- Which is lighter, the QNAP TS-853BU or the QNAP TS-853DU-RP?
- The TS-853DU-RP, with 8.89 kg against 10 kg for the TS-853BU.
- Which use cases suit the QNAP TS-853BU and the QNAP TS-853DU-RP?
- A home media server: the TS-853DU-RP. A small-office file server: the TS-853DU-RP. (based on our own use-case index)