Looking for an honest Synology DS1821+ vs TerraMaster F2-424 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 55/100 to 48/100 — a 7-point gap. The widest gap is in performance, where the Synology DS1821+ pulls noticeably ahead. On price the TerraMaster F2-424 undercuts the Synology DS1821+ by 167% ($299 vs $799), which materially changes the value calculus for budget-conscious buyers.
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Synology DS1821+ narrowly beats the TerraMaster F2-424 in the nas storage category, especially in performance, scoring 55 vs 48. If you want the better overall nas storage, Synology DS1821+ is the recommended choice.
Picking Synology DS1821+ over TerraMaster F2-424 means trading these off.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | Synology DS1821+W | TerraMaster F2-424 |
|---|---|---|
| Price | 799$ | 299$✓ |
| RAM | 4GB✓ | 2GB |
| OS | DSM 7.2 | TOS 5.0 |
| Weight | 1100g | 1100g |
| Dimensions | 260 x 193 x 166 mm | 220 x 130 x 220 mm |
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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.
Buy TerraMaster F2-424 if…
Choose the TerraMaster F2-424 if budget is your top priority — it offers competitive specs at a lower price point.
Synology DS1821+ narrowly beats the TerraMaster F2-424 in the nas storage category, especially in performance, scoring 55 vs 48. If you want the better overall nas storage, Synology DS1821+ is the recommended choice.
Yes, Synology DS1821+ scores higher overall (55 vs 48).
TerraMaster F2-424 is cheaper at $299 vs $799 for the Synology DS1821+.
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.
Choose the TerraMaster F2-424 if budget is your top priority — it offers competitive specs at a lower price point.
Synology DS1821+ has more RAM (4GB vs 2GB), 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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