Synology 8 Bay NAS DiskStation ds1821 vs Western Digital PR4100
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AI Matrix
Powered by Claude AISynology 8 Bay NAS DiskStation ds1821 and Western Digital PR4100 are closely matched nas storage devices with nearly identical overall scores (53 vs 51). The best choice depends on which specific features matter most to you.
Comparação de Especificações
Synology 8 Bay NAS DiskStation ds1821Western Digital PR4100
Detalhamento da Pontuação
Synology 8 Bay NAS DiskStation ds1821Western Digital PR4100
35
Drive Bays25% weight
35Empate
82
Price20% weight
67Synology 8 Bay NAS DiskStation ds1821 Vencedor
3
RAM20% weight
3Empate
99
Power Usage15% weight
99Empate
94
Noise10% weight
94Empate
35
Warranty10% weight
35Empate
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.
Synology 8 Bay NAS DiskStation ds1821
✓ Pros
- ●Lower price: $399 vs $599
- ●Better value for money
Western Digital PR4100
✓ Pros
- ●Lighter build: 1100g vs 1500g
✗ Cons
- ●Higher price: $599 vs $399
- ●Higher price relative to value
Comparação de Especificações
| Spec | Synology 8 Bay NAS DiskStation ds1821 | Western Digital PR4100 |
|---|---|---|
| Price | 399$✓ | 599$ |
| RAM | 4GB | 4GB |
| OS | DiskStation Manager (DSM) | My Cloud OS 3 |
| Weight | 1500g | 1100g✓ |
| Dimensions | 166 x 243.5 x 223.5 mm | 170 x 150 x 220 mm |
| Colors | Black | Black |
Quem Deve Comprar
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.
Buy Western Digital PR4100 if…
The Western Digital PR4100 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Synology 8 Bay NAS DiskStation ds1821 vs Western Digital PR4100 — FAQ
Synology 8 Bay NAS DiskStation ds1821 vs Western Digital PR4100: which is better?
Synology 8 Bay NAS DiskStation ds1821 and Western Digital PR4100 are closely matched nas storage devices with nearly identical overall scores (53 vs 51). The best choice depends on which specific features matter most to you.
Is Synology 8 Bay NAS DiskStation ds1821 better than Western Digital PR4100?
Both products score similarly — it depends on your priorities.
Which is cheaper, Synology 8 Bay NAS DiskStation ds1821 or Western Digital PR4100?
Synology 8 Bay NAS DiskStation ds1821 is cheaper at $399 vs $599 for the Western Digital PR4100.
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.
Who should buy the Western Digital PR4100?
The Western Digital PR4100 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Which is lighter, Synology 8 Bay NAS DiskStation ds1821 or Western Digital PR4100?
Western Digital PR4100 is lighter at 1100g vs 1500g.
Comparações Relacionadas
Full Synology 8 Bay NAS DiskStation ds1821 review →Full Western Digital PR4100 review →All Synology NAS Storage →All Western Digital 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.