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Best QNAP 6-Bay NAS (2026)
The quick verdict
- Top pickQNAP TVS-H674performance percentile 83.6
- Lowest power drawQNAP TS-67754.9 W in operation
- Best forgrowing a large media library
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. Among 14 QNAP 6-bay NAS models, the data ranks the QNAP TVS-H674 first. It posts performance percentile 83.6, and its boost clock of 4.4 GHz and base RAM of 32 GB are the best of the 5 picks. Next come the QNAP TVS-675 (No. 2) and the QNAP TS-677 (No. 3).
These rankings compare 14 QNAP 6-bay NAS models using QNAP's official hardware specification pages. No. 1, the QNAP TVS-H674: performance percentile 83.6. Key specs of the TVS-H674: CPU cores 6; boost clock 4.4 GHz; base RAM 32 GB; max LAN speed 2.5 Gbps; LAN ports 2; PCIe slots 2. The QNAP TVS-H674 ranks at the 84th percentile for performance in its class (top-tier). On weight it sits at the 65th percentile (higher means lighter). On our own use-case index (built from the manufacturer specs), its strongest fit is a home media server (100/100). No. 2, the QNAP TVS-675: performance percentile 74.5. Key specs of the TVS-675: CPU cores 8; boost clock 2.5 GHz; base RAM 8 GB; max LAN speed 2.5 Gbps; LAN ports 2; PCIe slots 2. No. 3, the QNAP TS-677: performance percentile 71.9.
Top picks
No. 1: QNAP TVS-H674
- Performance percentile 83.6
- CPU cores 6; boost clock 4.4 GHz; base RAM 32 GB; max LAN speed 2.5 Gbps
- best boost clock of the 5 picks (4.4 GHz)
No. 2: QNAP TVS-675
- Performance percentile 74.5
- CPU cores 8; boost clock 2.5 GHz; base RAM 8 GB; max LAN speed 2.5 Gbps
- beats the top pick on CPU cores: 8 cores vs 6 cores
8 cores for backups and transcodes at once
No. 3: QNAP TS-677
- Performance percentile 71.9
- CPU cores 6; boost clock 3.2 GHz; base RAM 8 GB; max LAN speed 1 Gbps
- beats the top pick on LAN ports: 4 ports vs 2 ports
4 ports for link bonding or separate networks
Key specs at a glance
| Spec | TVS-H674 | TVS-675 | TS-677 | TVS-682T | TVS-673E |
|---|---|---|---|---|---|
| Max LAN speed | 2.5 Gbpsbottom 48% | 2.5 Gbpsbottom 48% | 1 Gbpsbottom 22% | 10 GbpsWINtop 2% | 1 Gbpsbottom 22% |
| Base RAM | 32 GBWINtop 7% | 8 GBtop 23% | 8 GBtop 23% | 8 GBtop 23% | 4 GBbottom 47% |
| CPU cores | 6top 13% | 8WINtop 3% | 6top 13% | 2bottom 9% | 4top 22% |
| LAN ports | 2bottom 38% | 2bottom 38% | 4top 18% | 6WINtop 1% | 4top 18% |
| USB ports | 3bottom 27% | 4top 35% | 8WINtop 1% | 5top 18% | 4top 35% |
| Boost clock | 4.4 GHzWINtop 9% | 2.5 GHzbottom 45% | 3.2 GHztop 32% | 3.9 GHztop 18% | 3.4 GHztop 24% |
Show every spec
| Spec | TVS-H674 | TVS-675 | TS-677 | TVS-682T | TVS-673E |
|---|---|---|---|---|---|
| Drive bays | 6bottom 43% | 6bottom 43% | 6bottom 43% | 6bottom 43% | 6bottom 43% |
| CPU cores | 6top 13% | 8WINtop 3% | 6top 13% | 2bottom 9% | 4top 22% |
| Boost clock | 4.4 GHzWINtop 9% | 2.5 GHzbottom 45% | 3.2 GHztop 32% | 3.9 GHztop 18% | 3.4 GHztop 24% |
| Base RAM | 32 GBWINtop 7% | 8 GBtop 23% | 8 GBtop 23% | 8 GBtop 23% | 4 GBbottom 47% |
| Max RAM | 64 GBtop 19% | 64 GBtop 19% | 64 GBtop 19% | 64 GBtop 19% | 64 GBtop 19% |
| Max LAN speed | 2.5 Gbpsbottom 48% | 2.5 Gbpsbottom 48% | 1 Gbpsbottom 22% | 10 GbpsWINtop 2% | 1 Gbpsbottom 22% |
| LAN ports | 2bottom 38% | 2bottom 38% | 4top 18% | 6WINtop 1% | 4top 18% |
| M.2 slots | 2top 4% | 2top 4% | 2top 4% | 2top 4% | 2top 4% |
| PCIe slots | 2top 21% | 2top 21% | 3WINtop 10% | 2top 21% | 2top 21% |
| USB ports | 3bottom 27% | 4top 35% | 8WINtop 1% | 5top 18% | 4top 35% |
| Weight | 6.32 kgtop 35% | 7 kgtop 40% | 7.7 kgtop 47% | 7.7 kgtop 47% | 5.85 kgWINtop 33% |
| Volume | 13.3 LWINtop 50% | 13.3 LWINtop 50% | 16.7 Lbottom 43% | 16.7 Lbottom 43% | 13.9 Lbottom 49% |
| Operating power | 79.4 Wbottom 34% | 60.8 Wtop 49% | 54.9 WWINtop 42% | 76.7 Wbottom 38% | 63.7 Wbottom 50% |
| Warranty | 3 yrWINtop 7% | 3 yrWINtop 7% | 2 yrbottom 35% | 2 yrbottom 35% | 2 yrbottom 35% |
| Metric (0–100) | TVS-H674 | TVS-675 | TS-677 | TVS-682T | TVS-673E |
|---|---|---|---|---|---|
| Performance percentile | 83.6WIN | 74.5 | 71.9 | 67.4 | 59.9 |
| Lightness percentile | 65.4 | 60.7 | 53.1 | 53.1 | 66.6WIN |
| Compactness percentile | 49.5 | 49.5 | 41.7 | 41.7 | 47.5 |
| Home media server fit | 100 | 100 | 80 | 100 | 96 |
| Small office fit | 86 | 86 | 66 | 86 | 66 |
| 10GbE video editing fit | 53 | 51 | 50 | 94WIN | 48 |
| Low-power compact 24/7 fit | 10 | 25WIN | 23 | 5 | 21 |
The details
No. 4: QNAP TVS-682T
- Performance percentile 67.4
- CPU cores 2; boost clock 3.9 GHz; base RAM 8 GB; max LAN speed 10 Gbps
- beats the top pick on max LAN speed: 10 Gbps vs 2.5 Gbps
100 GB copy: about 80 s vs about 5 min (theoretical)
No. 5: QNAP TVS-673E
- Performance percentile 59.9
- CPU cores 4; boost clock 3.4 GHz; base RAM 4 GB; max LAN speed 1 Gbps
- beats the top pick on LAN ports: 4 ports vs 2 ports
4 ports for link bonding or separate networks
How we rank
- performance percentile computed from QNAP's official hardware specification pages
- equal values share a rank
FAQ
- Which of these QNAP 6-bay NAS picks has the most CPU cores?
- The QNAP TVS-675, at 8 cores.
- Which of these QNAP 6-bay NAS picks has the highest boost clock?
- The QNAP TVS-H674, at 4.4 GHz.
- Which of these QNAP 6-bay NAS picks has the most base RAM?
- The QNAP TVS-H674, at 32 GB.
- Which of these QNAP 6-bay NAS picks has the fastest built-in LAN?
- The QNAP TVS-682T, at 10 Gbps.
- Which of these QNAP 6-bay NAS picks has the most LAN ports?
- The QNAP TVS-682T, at 6 ports.