Looking for an honest QNAP TS-862X vs Synology DS1821+ comparison in 2026? We scored both nas storage on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Synology DS1821+ comes out ahead 46/100 to 55/100 — a 9-point gap. The widest gap is in performance, where the Synology DS1821+ pulls noticeably ahead. On price the Synology DS1821+ undercuts the QNAP TS-862X by 25% ($799 vs $999), which materially changes the value calculus for budget-conscious buyers.
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Synology DS1821+ edges out the QNAP TS-862X in the nas storage category, especially in performance, scoring 55 vs 46. If you want the better overall nas storage, Synology DS1821+ is the recommended choice.
Picking Synology DS1821+ over QNAP TS-862X means trading these off.
$999
Scores are relative within the nas storagecategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | QNAP TS-862X | Synology DS1821+W |
|---|---|---|
| Price | 999$ | 799$✓ |
| RAM | 8GB✓ | 4GB |
| OS | QTS 5.0 | DSM 7.2 |
| Weight | 1100g | 1100g |
| Dimensions | 260 x 220 x 220 mm | 260 x 193 x 166 mm |
| Colors | Black | Black |
Buy QNAP TS-862X if…
The QNAP TS-862X is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Synology DS1821+ if…
Buy the Synology DS1821+ if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Synology DS1821+ edges out the QNAP TS-862X in the nas storage category, especially in performance, scoring 55 vs 46. If you want the better overall nas storage, Synology DS1821+ is the recommended choice.
No, Synology DS1821+ scores higher (55 vs 46).
Synology DS1821+ is cheaper at $799 vs $999 for the QNAP TS-862X.
The QNAP TS-862X is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the Synology DS1821+ if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
QNAP TS-862X has more RAM (8GB vs 4GB), which helps with multitasking.
Reviewed by VersusMatrix Editorial Team
Last updated: June 1, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.