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QNAP TS-873U Specs, Pros and Cons
The quick verdict
- StrengthsLAN ports 6 (top 1%), max LAN speed 10 Gbps (top 2%)
- Weaknessesoperating power 103.9 W (bottom 25%)
- Best forsmall offices sharing files
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. The QNAP TS-873U lists 8 drive bays, 4 CPU cores, boost clock 2.1 GHz, and base RAM 4 GB in its official specs. Against 219 QNAP models, its strengths are 4 CPU cores (top 22%), max RAM 64 GB (top 19%), and max LAN speed 10 Gbps (top 2%), and its weak spots are operating power 103.9 W (bottom 25%).
This page lays out the QNAP TS-873U from the 14 specs published on QNAP's official hardware specification pages. Drive bays: 8 bays (top 35% of 219). The TS-873U has 4 CPU cores (top 22% of 204). Boost clock comes in at 2.1 GHz (bottom 31% of 201). Base RAM: 4 GB (bottom 47% of 219). The TS-873U's max RAM is 64 GB (top 19% of 219). Max LAN speed comes in at 10 Gbps (top 2% of 219). LAN ports: 6 ports (top 1% of 219). The TS-873U has 2 M.2 slots (top 4% of 136). PCIe slots comes in at 1 slot (top 49% of 146). USB ports: 6 ports (top 4% of 219). The TS-873U's weight is 9.85 kg (bottom 36% of 212). Volume comes in at 22.9 L (bottom 28% of 217).
Key points
CPU coresStrength
- 4 cores
- top 22% of 204 QNAP models
4 cores for backups and transcodes at once
Max RAMStrength
- 64 GB
- top 19% of 219 QNAP models
Upgradable to 64 GB later
Max LAN speedStrength
- 10 Gbps
- top 2% of 219 QNAP models
100 GB copy in about 80 s (theoretical)
Key specs at a glance
| Spec | TS-873U |
|---|---|
| LAN ports | 6top 1% |
| Max LAN speed | 10 Gbpstop 2% |
| M.2 slots | 2top 4% |
| USB ports | 6top 4% |
| Warranty | 3 yrtop 7% |
| Max RAM | 64 GBtop 19% |
Show every spec
| Spec | TS-873U |
|---|---|
| Drive bays | 8top 35% |
| CPU cores | 4top 22% |
| Boost clock | 2.1 GHzbottom 31% |
| Base RAM | 4 GBbottom 47% |
| Max RAM | 64 GBtop 19% |
| Max LAN speed | 10 Gbpstop 2% |
| LAN ports | 6top 1% |
| M.2 slots | 2top 4% |
| PCIe slots | 1top 49% |
| USB ports | 6top 4% |
| Weight | 9.85 kgbottom 36% |
| Volume | 22.9 Lbottom 28% |
| Operating power | 103.9 Wbottom 25% |
| Warranty | 3 yrtop 7% |
| Metric (0–100) | TS-873U |
|---|---|
| Performance percentile | 65.4 |
| Lightness percentile | 35.5 |
| Compactness percentile | 23.4 |
| Small office fit | 100 |
| 10GbE video editing fit | 94 |
| Low-power compact 24/7 fit | 0 |
The details
Weak spots (bottom 25%)
- Operating power 103.9 W: bottom 25%
Performance and memory
- Boost clock: 2.1 GHz (bottom 31%)
- Base RAM: 4 GB (bottom 47%)
Storage and connections
- Drive bays: 8 bays (top 35%)
- LAN ports: 6 ports (top 1%)
- M.2 slots: 2 slots (top 4%)
Storage and connections
- PCIe slots: 1 slot (top 49%)
- USB ports: 6 ports (top 4%)
Size, power and warranty
- Weight: 9.85 kg (bottom 36%)
- Volume: 22.9 L (bottom 28%)
- Warranty: 3 years (top 7%)
TS-873U vs the similar TS-873U-RP11 match
- Base RAM: 4 GB vs 8 GB
- Weight: 9.85 kg vs 11.3 kg
- Operating power: 103.9 W vs 107.7 W
TS-873U vs the similar TS-1273U10 match, 1 more differ
- Drive bays: 8 bays vs 12 bays
- Base RAM: 4 GB vs 8 GB
- Weight: 9.85 kg vs 10.8 kg
TS-873U vs the similar TVS-872XU8 match, 2 more differ
- Boost clock: 2.1 GHz vs 3.6 GHz
- PCIe slots: 1 slot vs 4 slots
- Weight: 9.85 kg vs 10.9 kg
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 3
- Total built-in LAN bandwidth (sum of port speeds): 24 Gbps
- Operating power per bay: 13 W
Combined metrics
- Weight per bay: 1.23 kg
- Memory headroom (max minus base): 60 GB
Use-case scores
- Small-office file server: 100
- 10GbE video editing: 94
- Low-power compact 24/7 use: 0
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- What is the max LAN speed of the QNAP TS-873U?
- 10 Gbps.
- What is the max RAM of the QNAP TS-873U?
- 64 GB.
- How many drive bays does the QNAP TS-873U have?
- 8.
- What is the operating power of the QNAP TS-873U?
- 103.9 W.
- How many M.2 slots does the QNAP TS-873U have?
- 2.