Asustor Lockerstor 4 Gen 2 vs Synology 8 Bay NAS DiskStation ds1821
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AI Matrix
Powered by Claude AIAsustor Lockerstor 4 Gen 2 and Synology 8 Bay NAS DiskStation ds1821 are closely matched nas storage devices with nearly identical overall scores (52 vs 53). The best choice depends on which specific features matter most to you.
Spec Comparison
Asustor Lockerstor 4 Gen 2Synology 8 Bay NAS DiskStation ds1821
Score Breakdown
Asustor Lockerstor 4 Gen 2Synology 8 Bay NAS DiskStation ds1821
35
Drive Bays25% weight
35Tie
74
Price20% weight
82Synology 8 Bay NAS DiskStation ds1821 Winner
3
RAM20% weight
3Tie
99
Power Usage15% weight
99Tie
94
Noise10% weight
94Tie
35
Warranty10% weight
35Tie
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.
Asustor Lockerstor 4 Gen 2
✓ Pros
- ●Lighter build: 1100g vs 1500g
✗ Cons
- ●Higher price: $499 vs $399
- ●Higher price relative to value
Synology 8 Bay NAS DiskStation ds1821
✓ Pros
- ●Lower price: $399 vs $499
- ●Better value for money
Spec Comparison
| Spec | Asustor Lockerstor 4 Gen 2 | Synology 8 Bay NAS DiskStation ds1821 |
|---|---|---|
| Price | 499$ | 399$✓ |
| RAM | 4GB | 4GB |
| OS | ADM 4.0 | DiskStation Manager (DSM) |
| Weight | 1100g✓ | 1500g |
| Dimensions | 200 x 180 x 220 mm | 166 x 243.5 x 223.5 mm |
| Colors | Black | Black |
Who Should Buy
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 8 Bay NAS DiskStation ds1821 if…
Choose the Synology 8 Bay NAS DiskStation ds1821 if budget is your top priority — it offers competitive specs at a lower price point.
Asustor Lockerstor 4 Gen 2 vs Synology 8 Bay NAS DiskStation ds1821 — FAQ
Asustor Lockerstor 4 Gen 2 vs Synology 8 Bay NAS DiskStation ds1821: which is better?
Asustor Lockerstor 4 Gen 2 and Synology 8 Bay NAS DiskStation ds1821 are closely matched nas storage devices with nearly identical overall scores (52 vs 53). The best choice depends on which specific features matter most to you.
Is Asustor Lockerstor 4 Gen 2 better than Synology 8 Bay NAS DiskStation ds1821?
Both products score similarly — it depends on your priorities.
Which is cheaper, Asustor Lockerstor 4 Gen 2 or Synology 8 Bay NAS DiskStation ds1821?
Synology 8 Bay NAS DiskStation ds1821 is cheaper at $399 vs $499 for the Asustor Lockerstor 4 Gen 2.
Who should buy 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.
Who should buy the Synology 8 Bay NAS DiskStation ds1821?
Choose the Synology 8 Bay NAS DiskStation ds1821 if budget is your top priority — it offers competitive specs at a lower price point.
Which is lighter, Asustor Lockerstor 4 Gen 2 or Synology 8 Bay NAS DiskStation ds1821?
Asustor Lockerstor 4 Gen 2 is lighter at 1100g vs 1500g.
Related Comparisons
Full Asustor Lockerstor 4 Gen 2 review →Full Synology 8 Bay NAS DiskStation ds1821 review →All Asustor NAS Storage →All Synology NAS Storage →
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 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.