As an Amazon Associate I earn from qualifying purchases. (Also includes AliExpress affiliate links.)
QNAP TS-873 vs QNAP TS-877
The quick verdict
- Lower power drawQNAP TS-877draws 61.8 W, 8.5 W less than the TS-873
- Leads on more specsQNAP TS-8776 of 8 differing specs (CPU cores 6, boost clock 3.2 GHz)
- Best forTS-877 for creators moving large video files fast
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. Of the 8 specs that differ, the QNAP TS-873 leads on 2 (weight and volume) and the QNAP TS-877 on 6 (CPU cores, boost clock, base RAM, and 3 more). On our home media server index, the TS-877 scores 80/100 against 76/100.
Using the 14 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-873 and QNAP TS-877 compare. CPU cores: the TS-877 at 6 cores versus 4 cores for the TS-873, 2 cores more (1.5x). Among 204 QNAP models, the TS-877 ranks in the top 13% and the TS-873 in the top 22%. The TS-877 leads on boost clock, 3.2 GHz to 2.1 GHz, 1.5x. Among 201 QNAP models, the TS-877 ranks in the top 32% and the TS-873 in the bottom 31%. On base RAM, the TS-877 posts 8 GB and the TS-873 4 GB, a gap of 4 GB. Among 219 QNAP models, the TS-877 ranks in the top 23% and the TS-873 in the bottom 47%. PCIe slots: the TS-877 at 3 slots versus 2 slots for the TS-873, 1 slot more (1.5x). Among 146 QNAP models, the TS-877 ranks in the top 10% and the TS-873 in the top 21%.
Key differences 3
Base RAMTS-877 leads
- TS-877 8 GB vs the TS-873 at 4 GB
- the TS-877 has 2.0x the base RAM
- among 219 QNAP models: TS-877 in the top 23%, TS-873 in the bottom 47%
8 GB out of the box for several apps
USB portsTS-877 leads
- TS-877 8 ports vs the TS-873 at 4 ports
- the TS-877 has 2.0x the USB ports
- among 219 QNAP models: TS-877 in the top 1%, TS-873 in the top 35%
4 more USB for drives or a UPS
Boost clockTS-877 leads
- TS-877 3.2 GHz vs the TS-873 at 2.1 GHz
- the TS-877 is 1.5x higher
- among 201 QNAP models: TS-877 in the top 32%, TS-873 in the bottom 31%
Key specs at a glance
| Spec | TS-873 | TS-877 |
|---|---|---|
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| USB ports | 4top 35% | 8WINtop 1% |
| Boost clock | 2.1 GHzbottom 31% | 3.2 GHzWINtop 32% |
| CPU cores | 4top 22% | 6WINtop 13% |
| PCIe slots | 2top 21% | 3WINtop 10% |
| Weight | 6.56 kgWINtop 38% | 8.86 kgbottom 46% |
Show every spec
| Spec | TS-873 | TS-877 |
|---|---|---|
| Drive bays | 8top 35% | 8top 35% |
| CPU cores | 4top 22% | 6WINtop 13% |
| Boost clock | 2.1 GHzbottom 31% | 3.2 GHzWINtop 32% |
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| Max RAM | 64 GBtop 19% | 64 GBtop 19% |
| Max LAN speed | 1 Gbpsbottom 22% | 1 Gbpsbottom 22% |
| LAN ports | 4top 18% | 4top 18% |
| M.2 slots | 2top 4% | 2top 4% |
| PCIe slots | 2top 21% | 3WINtop 10% |
| USB ports | 4top 35% | 8WINtop 1% |
| Weight | 6.56 kgWINtop 38% | 8.86 kgbottom 46% |
| Volume | 17.3 LWINbottom 41% | 21.7 Lbottom 29% |
| Operating power | 70.3 Wbottom 44% | 61.8 WWINtop 50% |
| Warranty | 2 yrbottom 35% | 2 yrbottom 35% |
| Metric (0–100) | TS-873 | TS-877 |
|---|---|---|
| Performance percentile | 37 | 71.9WIN |
| Lightness percentile | 61.8WIN | 45 |
| Compactness percentile | 39.4WIN | 27.8 |
| Home media server fit | 76 | 80WIN |
| Small office fit | 80 | 80 |
| 10GbE video editing fit | 43 | 50WIN |
| Low-power compact 24/7 fit | 9WIN | 7 |
The details
How to choose
- Weight matters most → the TS-873 (6.56 kg vs 8.86 kg)
- Base RAM matters most → the TS-877 (8 GB vs 4 GB)
More TS-873 leads
- Weight: 6.56 kg vs 8.86 kg
- Volume: 17.3 L vs 21.7 L
More TS-877 leads
- CPU cores: 6 cores vs 4 cores
- PCIe slots: 3 slots vs 2 slots
- Operating power: 61.8 W vs 70.3 W
Combined metrics
- Expansion slots in total (M.2 plus PCIe): TS-877 5 vs 4
- Total built-in LAN bandwidth (sum of port speeds): 4 Gbps on both
- Operating power per bay: TS-877 7.72 W vs 8.78 W
Combined metrics
- Weight per bay: TS-873 0.82 kg vs 1.11 kg
- Memory headroom (max minus base): TS-873 60 GB vs 56 GB
Same on both
- drive bays 8, max RAM 64 GB, max LAN speed 1 Gbps
- LAN ports 4, M.2 slots 2, warranty 2 years
Use-case scores
- Home media server: TS-877 80 vs 76
- 10GbE video editing: TS-877 50 vs 43
- Low-power compact 24/7 use: TS-873 9 vs 7
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which draws less power, the QNAP TS-873 or the QNAP TS-877?
- The TS-877, with 61.8 W against 70.3 W for the TS-873.
- Which is lighter, the QNAP TS-873 or the QNAP TS-877?
- The TS-873, with 6.56 kg against 8.86 kg for the TS-877.
- Which use cases suit the QNAP TS-873 and the QNAP TS-877?
- A home media server: the TS-877. 10GbE video editing: the TS-877. (based on our own use-case index)