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QNAP TS-977XU vs QNAP TS-983XU
The quick verdict
- Lower power drawQNAP TS-977XUdraws 64.2 W, 10.1 W less than the TS-983XU
- Leads on more specsQNAP TS-983XU4 of 6 differing specs (boost clock 4.3 GHz, base RAM 8 GB)
- Best forTS-983XU 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 6 specs that differ, the QNAP TS-977XU leads on 1 (operating power) and the QNAP TS-983XU on 4 (boost clock, base RAM, max RAM, and 1 more); 1 is within 2%. On our 10GbE video editing index, the TS-983XU scores 81/100 against 79/100.
Using the 13 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-977XU and QNAP TS-983XU compare. Boost clock: the TS-983XU at 4.3 GHz versus 3.1 GHz for the TS-977XU, 1.2 GHz higher (1.4x). Among 201 QNAP models, the TS-983XU ranks in the top 13% and the TS-977XU in the top 36%. The TS-983XU leads on base RAM, 8 GB to 4 GB, 2.0x. Among 219 QNAP models, the TS-983XU ranks in the top 23% and the TS-977XU in the bottom 47%. On max RAM, the TS-983XU posts 128 GB and the TS-977XU 64 GB, a gap of 64 GB. Among 219 QNAP models, the TS-983XU ranks in the top 6% and the TS-977XU in the top 19%. USB ports: the TS-983XU at 6 ports versus 5 ports for the TS-977XU, 1 port more (1.2x). Among 219 QNAP models, the TS-983XU ranks in the top 4% and the TS-977XU in the top 18%.
Key differences 3
Base RAMTS-983XU leads
- TS-983XU 8 GB vs the TS-977XU at 4 GB
- the TS-983XU has 2.0x the base RAM
- among 219 QNAP models: TS-983XU in the top 23%, TS-977XU in the bottom 47%
8 GB out of the box for several apps
Max RAMTS-983XU leads
- TS-983XU 128 GB vs the TS-977XU at 64 GB
- the TS-983XU has 2.0x the max RAM
- among 219 QNAP models: TS-983XU in the top 6%, TS-977XU in the top 19%
Upgradable to 128 GB later
Boost clockTS-983XU leads
- TS-983XU 4.3 GHz vs the TS-977XU at 3.1 GHz
- the TS-983XU is 1.4x higher
- among 201 QNAP models: TS-983XU in the top 13%, TS-977XU in the top 36%
Key specs at a glance
| Spec | TS-977XU | TS-983XU |
|---|---|---|
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| Max RAM | 64 GBtop 19% | 128 GBWINtop 6% |
| Boost clock | 3.1 GHztop 36% | 4.3 GHzWINtop 13% |
| USB ports | 5top 18% | 6WINtop 4% |
| Operating power | 64.2 WWINbottom 49% | 74.4 Wbottom 40% |
Show every spec
| Spec | TS-977XU | TS-983XU |
|---|---|---|
| Drive bays | 9top 29% | 9top 29% |
| CPU cores | 4top 22% | 4top 22% |
| Boost clock | 3.1 GHztop 36% | 4.3 GHzWINtop 13% |
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| Max RAM | 64 GBtop 19% | 128 GBWINtop 6% |
| Max LAN speed | 10 Gbpstop 2% | 10 Gbpstop 2% |
| LAN ports | 4top 18% | 4top 18% |
| PCIe slots | 1top 49% | 1top 49% |
| USB ports | 5top 18% | 6WINtop 4% |
| Weight | 7.44 kgtop 44% | 7.48 kgtop 45% |
| Volume | 10.1 Ltop 39% | 10.1 Ltop 39% |
| Operating power | 64.2 WWINbottom 49% | 74.4 Wbottom 40% |
| Warranty | 3 yrtop 7% | 3 yrtop 7% |
| Metric (0–100) | TS-977XU | TS-983XU |
|---|---|---|
| Performance percentile | 68.8 | 82WIN |
| Lightness percentile | 56.4WIN | 55.2 |
| Compactness percentile | 60.6 | 60.6 |
| Small office fit | 100 | 100 |
| 10GbE video editing fit | 79 | 81WIN |
| Low-power compact 24/7 fit | 0 | 0 |
The details
How to choose
- Operating power matters most → the TS-977XU (64.2 W vs 74.4 W)
- Base RAM matters most → the TS-983XU (8 GB vs 4 GB)
More TS-977XU leads
- Operating power: 64.2 W vs 74.4 W
More TS-983XU leads
- USB ports: 6 ports vs 5 ports
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): 22 Gbps on both
- Operating power per bay: TS-977XU 7.14 W vs 8.26 W
Combined metrics
- Weight per bay: 0.83 kg on both
- Memory headroom (max minus base): TS-983XU 120 GB vs 60 GB
Within 2%
- Weight: TS-977XU 7.44 kg, TS-983XU 7.48 kg
Same on both
- drive bays 9, CPU cores 4, max LAN speed 10 Gbps, LAN ports 4
- PCIe slots 1, volume 10.1 L, warranty 3 years
Use-case scores
- 10GbE video editing: TS-983XU 81 vs 79
Variant TS-983XU-RP
- matches the TS-983XU on drive bays, CPU cores, boost clock, and 7 more but differs on weight (8.63 kg vs 7.48 kg), volume (10.6 L vs 10.1 L), and operating power (84.7 W vs 74.4 W).
- Where values differ, this comparison does not carry over to the TS-983XU-RP.
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which takes more RAM, the QNAP TS-977XU or the QNAP TS-983XU?
- The TS-983XU, with 128 GB against 64 GB for the TS-977XU.
- Which draws less power, the QNAP TS-977XU or the QNAP TS-983XU?
- The TS-977XU, with 64.2 W against 74.4 W for the TS-983XU.
- Which use cases suit the QNAP TS-977XU and the QNAP TS-983XU?
- 10GbE video editing: the TS-983XU. (based on our own use-case index)