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QNAP TS-873AU Specs, Pros and Cons
The quick verdict
- Strengthswarranty 3 yr (top 7%), max RAM 64 GB (top 19%)
- 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-873AU lists 8 drive bays, 4 CPU cores, boost clock 2.2 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 warranty 3 years (top 7%), and nothing falls in the bottom 25%.
This page lays out the QNAP TS-873AU from the 13 specs published on QNAP's official hardware specification pages. Drive bays: 8 bays (top 35% of 219). The TS-873AU has 4 CPU cores (top 22% of 204). Boost clock comes in at 2.2 GHz (bottom 37% of 201). Base RAM: 4 GB (bottom 47% of 219). The TS-873AU's max RAM is 64 GB (top 19% of 219). Max LAN speed comes in at 2.5 Gbps (bottom 48% of 219). LAN ports: 2 ports (bottom 38% of 219). The TS-873AU has 0 M.2 slots (bottom 46% of 136). USB ports comes in at 4 ports (top 35% of 219). Weight: 8.04 kg (top 50% of 212). The TS-873AU's volume is 18.2 L (bottom 38% of 217). Operating power comes in at 55 W (top 42% of 208).
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
WarrantyStrength
- 3 years
- top 7% of 214 QNAP models
Key specs at a glance
| Spec | TS-873AU |
|---|---|
| Warranty | 3 yrtop 7% |
| Max RAM | 64 GBtop 19% |
| CPU cores | 4top 22% |
| Drive bays | 8top 35% |
| USB ports | 4top 35% |
| Operating power | 55 Wtop 42% |
Show every spec
| Spec | TS-873AU |
|---|---|
| Drive bays | 8top 35% |
| CPU cores | 4top 22% |
| Boost clock | 2.2 GHzbottom 37% |
| Base RAM | 4 GBbottom 47% |
| Max RAM | 64 GBtop 19% |
| Max LAN speed | 2.5 Gbpsbottom 48% |
| LAN ports | 2bottom 38% |
| M.2 slots | 0bottom 46% |
| USB ports | 4top 35% |
| Weight | 8.04 kgtop 50% |
| Volume | 18.2 Lbottom 38% |
| Operating power | 55 Wtop 42% |
| Warranty | 3 yrtop 7% |
| Metric (0–100) | TS-873AU |
|---|---|
| Performance percentile | 27.3 |
| Lightness percentile | 49.8 |
| Compactness percentile | 36.8 |
| Home media server fit | 31 |
| Small office fit | 100 |
| 10GbE video editing fit | 5 |
| Low-power compact 24/7 fit | 0 |
The details
Performance and memory
- Boost clock: 2.2 GHz (bottom 37%)
- Base RAM: 4 GB (bottom 47%)
Storage and connections
- Drive bays: 8 bays (top 35%)
- Max LAN speed: 2.5 Gbps (bottom 48%)
- LAN ports: 2 ports (bottom 38%)
Storage and connections
- M.2 slots: 0 slots (bottom 46%)
- USB ports: 4 ports (top 35%)
Size, power and warranty
- Weight: 8.04 kg (top 50%)
- Volume: 18.2 L (bottom 38%)
- Operating power: 55 W (top 42%)
TS-873AU vs the similar TS-873AEU9 match, 1 more differ
- M.2 slots: 0 slots vs 2 slots
- Weight: 8.04 kg vs 7.97 kg
- Volume: 18.2 L vs 11.4 L
TS-873AU vs the similar TS-1273AU-RP8 match, 2 more differ
- Drive bays: 8 bays vs 12 bays
- Base RAM: 4 GB vs 8 GB
- Weight: 8.04 kg vs 11.1 kg
TS-873AU vs the similar TS-873A8 match, 2 more differ
- Base RAM: 4 GB vs 8 GB
- M.2 slots: 0 slots vs 2 slots
- Weight: 8.04 kg vs 7.4 kg
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): 5 Gbps
- Operating power per bay: 6.88 W
Combined metrics
- Weight per bay: 1.01 kg
- Memory headroom (max minus base): 60 GB
Use-case scores
- Small-office file server: 100
- Home media server: 31
Use-case scores
- 10GbE video editing: 5
- Low-power compact 24/7 use: 0
Variant TS-873AU-RP
- matches the TS-873AU on drive bays, CPU cores, boost clock, and 8 more but differs on weight (9.15 kg vs 8.04 kg) and operating power (61.3 W vs 55 W).
- Where values differ, this comparison does not carry over to the TS-873AU-RP.
Not in the official specs
- PCIe slots
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-873AU?
- 2.5 Gbps.
- What is the max RAM of the QNAP TS-873AU?
- 64 GB.
- How many drive bays does the QNAP TS-873AU have?
- 8.
- What is the operating power of the QNAP TS-873AU?
- 55 W.
- How many M.2 slots does the QNAP TS-873AU have?
- 0.