Asustor Drivestor 4 Pro vs Synology 8 Bay NAS DiskStation ds1821
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AI Matrix
Powered by Claude AIAsustor Drivestor 4 Pro and Synology 8 Bay NAS DiskStation ds1821 are closely matched nas storage devices with nearly identical overall scores (54 vs 53). The best choice depends on which specific features matter most to you.
Spec Comparison
Asustor Drivestor 4 ProSynology 8 Bay NAS DiskStation ds1821
Score Breakdown
Asustor Drivestor 4 ProSynology 8 Bay NAS DiskStation ds1821
35
Drive Bays25% weight
35Tie
82
Price20% weight
82Tie
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 Drivestor 4 Pro
✓ Pros
- ●Lighter build: 1100g vs 1500g
Synology 8 Bay NAS DiskStation ds1821
Spec Comparison
| Spec | Asustor Drivestor 4 Pro | Synology 8 Bay NAS DiskStation ds1821 |
|---|---|---|
| Price | 399$ | 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 Drivestor 4 Pro if…
The Asustor Drivestor 4 Pro 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…
The Synology 8 Bay NAS DiskStation ds1821 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Asustor Drivestor 4 Pro vs Synology 8 Bay NAS DiskStation ds1821 — FAQ
Asustor Drivestor 4 Pro vs Synology 8 Bay NAS DiskStation ds1821: which is better?
Asustor Drivestor 4 Pro and Synology 8 Bay NAS DiskStation ds1821 are closely matched nas storage devices with nearly identical overall scores (54 vs 53). The best choice depends on which specific features matter most to you.
Is Asustor Drivestor 4 Pro better than Synology 8 Bay NAS DiskStation ds1821?
Both products score similarly — it depends on your priorities.
Which is cheaper, Asustor Drivestor 4 Pro or Synology 8 Bay NAS DiskStation ds1821?
Synology 8 Bay NAS DiskStation ds1821 is cheaper at $399 vs $399 for the Asustor Drivestor 4 Pro.
Who should buy the Asustor Drivestor 4 Pro?
The Asustor Drivestor 4 Pro 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?
The Synology 8 Bay NAS DiskStation ds1821 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Which is lighter, Asustor Drivestor 4 Pro or Synology 8 Bay NAS DiskStation ds1821?
Asustor Drivestor 4 Pro is lighter at 1100g vs 1500g.
Related Comparisons
Full Asustor Drivestor 4 Pro 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.