Looking for an honest QNAP TS-862X vs Synology 8 Bay NAS DiskStation 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 8 Bay NAS DiskStation ds1821 comes out ahead 46/100 to 53/100 — a 7-point gap. The widest gap is in battery life, where the QNAP TS-862X pulls noticeably ahead. On price the Synology 8 Bay NAS DiskStation ds1821 undercuts the QNAP TS-862X by 150% ($399 vs $999), which materially changes the value calculus for budget-conscious buyers.
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Synology 8 Bay NAS DiskStation ds1821 narrowly beats the QNAP TS-862X in the nas storage category, especially in value ($399 vs $999), scoring 53 vs 46. If you want the better overall nas storage, Synology 8 Bay NAS DiskStation ds1821 is the recommended choice.
Picking Synology 8 Bay NAS DiskStation ds1821 over QNAP TS-862X means trading these off.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | QNAP TS-862X | Synology 8 Bay NAS DiskStation ds1821W |
|---|---|---|
| Price | 999$ | 399$✓ |
| RAM | 8GB✓ | 4GB |
| OS | QTS 5.0 | DiskStation Manager (DSM) |
| Weight | 1100g✓ | 1500g |
| Dimensions | 260 x 220 x 220 mm | 166 x 243.5 x 223.5 mm |
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 8 Bay NAS DiskStation ds1821 if…
Buy the Synology 8 Bay NAS DiskStation ds1821 if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Synology 8 Bay NAS DiskStation ds1821 narrowly beats the QNAP TS-862X in the nas storage category, especially in value ($399 vs $999), scoring 53 vs 46. If you want the better overall nas storage, Synology 8 Bay NAS DiskStation ds1821 is the recommended choice.
No, Synology 8 Bay NAS DiskStation ds1821 scores higher (53 vs 46).
Synology 8 Bay NAS DiskStation ds1821 is cheaper at $399 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 8 Bay NAS DiskStation ds1821 if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
QNAP TS-862X is lighter at 1100g vs 1500g.
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.
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.
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