Looking for an honest Asustor Lockerstor 4 Gen 2 vs Synology DS1522+ 5-Bay DiskStation 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. Both products score nearly identically (52/100 vs 55/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. The widest gap is in battery life, where the Synology DS1522+ 5-Bay DiskStation pulls noticeably ahead. On price the Synology DS1522+ 5-Bay DiskStation undercuts the Asustor Lockerstor 4 Gen 2 by 25% ($399 vs $499), which materially changes the value calculus for budget-conscious buyers.
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Asustor Lockerstor 4 Gen 2 and Synology DS1522+ 5-Bay DiskStation are closely matched nas storage devices with nearly identical overall scores (52 vs 55). The best choice depends on which specific features matter most to you.
✗ Cons
✓ Pros
| Spec | Asustor Lockerstor 4 Gen 2 | Synology DS1522+ 5-Bay DiskStation |
|---|---|---|
| Price | 499$ | 399$✓ |
| RAM | 4GB | 8GB✓ |
| OS | ADM 4.0 | DiskStation Manager (DSM) |
| Weight | 1100g | 1100g |
| Dimensions | 200 x 180 x 220 mm | 165 x 108 x 232 mm |
| Colors | Black |
Buy Asustor Lockerstor 4 Gen 2 if…
The Asustor Lockerstor 4 Gen 2 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Synology DS1522+ 5-Bay DiskStation if…
Choose the Synology DS1522+ 5-Bay DiskStation if budget is your top priority — it offers competitive specs at a lower price point.
Asustor Lockerstor 4 Gen 2 and Synology DS1522+ 5-Bay DiskStation are closely matched nas storage devices with nearly identical overall scores (52 vs 55). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Synology DS1522+ 5-Bay DiskStation is cheaper at $399 vs $499 for the Asustor Lockerstor 4 Gen 2.
The Asustor Lockerstor 4 Gen 2 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Choose the Synology DS1522+ 5-Bay DiskStation if budget is your top priority — it offers competitive specs at a lower price point.
Synology DS1522+ 5-Bay DiskStation 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.
| Black |