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QNAP TS-H686 Specs, Pros and Cons
The quick verdict
- StrengthsM.2 slots 2 (top 4%), max RAM 128 GB (top 6%)
- WeaknessesCPU cores 2 (bottom 9%)
- 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-H686 lists 6 drive bays, 2 CPU cores, boost clock 3.2 GHz, and base RAM 8 GB in its official specs. Against 219 QNAP models, its strengths are base RAM 8 GB (top 23%), max RAM 128 GB (top 6%), and 4 LAN ports (top 18%), and its weak spots are 2 CPU cores (bottom 9%).
This page lays out the QNAP TS-H686 from the 14 specs published on QNAP's official hardware specification pages. Drive bays: 6 bays (bottom 43% of 219). The TS-H686 has 2 CPU cores (bottom 9% of 204). Boost clock comes in at 3.2 GHz (top 32% of 201). Base RAM: 8 GB (top 23% of 219). The TS-H686's max RAM is 128 GB (top 6% of 219). Max LAN speed comes in at 2.5 Gbps (bottom 48% of 219). LAN ports: 4 ports (top 18% of 219). The TS-H686 has 2 M.2 slots (top 4% of 136). PCIe slots comes in at 2 slots (top 21% of 146). USB ports: 3 ports (bottom 27% of 219). The TS-H686's weight is 8.44 kg (bottom 49% of 212). Volume comes in at 16.2 L (bottom 46% of 217).
Key points
Base RAMStrength
- 8 GB
- top 23% of 219 QNAP models
8 GB out of the box for several apps
Max RAMStrength
- 128 GB
- top 6% of 219 QNAP models
Upgradable to 128 GB later
LAN portsStrength
- 4 ports
- top 18% of 219 QNAP models
4 ports for link bonding or separate networks
Key specs at a glance
| Spec | TS-H686 |
|---|---|
| M.2 slots | 2top 4% |
| Max RAM | 128 GBtop 6% |
| Warranty | 3 yrtop 7% |
| LAN ports | 4top 18% |
| PCIe slots | 2top 21% |
| Base RAM | 8 GBtop 23% |
Show every spec
| Spec | TS-H686 |
|---|---|
| Drive bays | 6bottom 43% |
| CPU cores | 2bottom 9% |
| Boost clock | 3.2 GHztop 32% |
| Base RAM | 8 GBtop 23% |
| Max RAM | 128 GBtop 6% |
| Max LAN speed | 2.5 Gbpsbottom 48% |
| LAN ports | 4top 18% |
| M.2 slots | 2top 4% |
| PCIe slots | 2top 21% |
| USB ports | 3bottom 27% |
| Weight | 8.44 kgbottom 49% |
| Volume | 16.2 Lbottom 46% |
| Operating power | 61.1 Wtop 49% |
| Warranty | 3 yrtop 7% |
| Metric (0–100) | TS-H686 |
|---|---|
| Performance percentile | 42.7 |
| Lightness percentile | 47.9 |
| Compactness percentile | 44.9 |
| Small office fit | 90 |
| 10GbE video editing fit | 45 |
| Low-power compact 24/7 fit | 19 |
The details
Weak spots (bottom 25%)
- 2 CPU cores: bottom 9%
Performance and memory
- Boost clock: 3.2 GHz (top 32%)
Storage and connections
- Drive bays: 6 bays (bottom 43%)
- Max LAN speed: 2.5 Gbps (bottom 48%)
- M.2 slots: 2 slots (top 4%)
Storage and connections
- PCIe slots: 2 slots (top 21%)
- USB ports: 3 ports (bottom 27%)
Size, power and warranty
- Weight: 8.44 kg (bottom 49%)
- Volume: 16.2 L (bottom 46%)
Size, power and warranty
- Operating power: 61.1 W (top 49%)
- Warranty: 3 years (top 7%)
TS-H686 vs the similar TS-H8868 match, 3 more differ
- Drive bays: 6 bays vs 8 bays
- CPU cores: 2 cores vs 4 cores
- Base RAM: 8 GB vs 16 GB
TS-H686 vs the similar TVS-6826 match, 5 more differ
- Boost clock: 3.2 GHz vs 3.3 GHz
- Max RAM: 128 GB vs 64 GB
- Max LAN speed: 2.5 Gbps vs 1 Gbps
TS-H686 vs the similar TVS-8825 match, 6 more differ
- Drive bays: 6 bays vs 8 bays
- Boost clock: 3.2 GHz vs 3.9 GHz
- Max RAM: 128 GB vs 64 GB
Combined metrics
- Expansion slots in total (M.2 plus PCIe): 4
- Total built-in LAN bandwidth (sum of port speeds): 10 Gbps
- Operating power per bay: 10.2 W
Combined metrics
- Weight per bay: 1.41 kg
- Memory headroom (max minus base): 120 GB
Use-case scores
- Small-office file server: 90
- 10GbE video editing: 45
- Low-power compact 24/7 use: 19
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-H686?
- 2.5 Gbps.
- What is the max RAM of the QNAP TS-H686?
- 128 GB.
- How many drive bays does the QNAP TS-H686 have?
- 6.
- What is the operating power of the QNAP TS-H686?
- 61.1 W.
- How many M.2 slots does the QNAP TS-H686 have?
- 2.