Synology 8 Bay NAS DiskStation ds1821 vs Synology DS1821+
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AI Matrix
Powered by Claude AISynology 8 Bay NAS DiskStation ds1821 narrowly beats the Synology DS1821+ in the nas storage category, especially in value ($399 vs $799), scoring 53 vs 47. If you want the better overall nas storage, Synology 8 Bay NAS DiskStation ds1821 is the recommended choice.
3 Reasons Why Synology 8 Bay NAS DiskStation ds1821 Is Better
- 1.Lower price: $399 vs $799
- 2.Better value score: 82 vs 52
- 3.Higher overall score: 53 vs 47
What are you giving up?
Picking Synology 8 Bay NAS DiskStation ds1821 over Synology DS1821+ means trading these off.
You give up
- −400g lighter (1100g vs 1500g)
You gain
- +$400 cheaper ($399 vs $799)
Comparación de Especificaciones
Synology 8 Bay NAS DiskStation ds1821Synology DS1821+
Desglose de Puntajes
Synology 8 Bay NAS DiskStation ds1821Synology DS1821+
35
Drive Bays25% weight
35Empate
82
Price20% weight
52Synology 8 Bay NAS DiskStation ds1821 Ganador
3
RAM20% weight
3Empate
99
Power Usage15% weight
99Empate
94
Noise10% weight
92Empate
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
Ganador✓ Pros
- ●Lower price: $399 vs $799
- ●Better value for money
Synology DS1821+
✓ Pros
- ●Lighter build: 1100g vs 1500g
✗ Cons
- ●Higher price: $799 vs $399
- ●Higher price relative to value
Comparación de Especificaciones
| Spec | Synology 8 Bay NAS DiskStation ds1821W | Synology DS1821+ |
|---|---|---|
| Price | 399$✓ | 799$ |
| RAM | 4GB | 4GB |
| OS | DiskStation Manager (DSM) | DSM 7.2 |
| Weight | 1500g | 1100g✓ |
| Dimensions | 166 x 243.5 x 223.5 mm | 260 x 193 x 166 mm |
| Colors | Black | Black |
Quién Debería Comprar
Buy Synology 8 Bay NAS DiskStation ds1821 if…
Buy the Synology 8 Bay NAS DiskStation ds1821 if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Synology DS1821+ if…
The Synology DS1821+ 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 Synology DS1821+ — FAQ
Synology 8 Bay NAS DiskStation ds1821 vs Synology DS1821+: which is better?
Synology 8 Bay NAS DiskStation ds1821 narrowly beats the Synology DS1821+ in the nas storage category, especially in value ($399 vs $799), scoring 53 vs 47. If you want the better overall nas storage, Synology 8 Bay NAS DiskStation ds1821 is the recommended choice.
Is Synology 8 Bay NAS DiskStation ds1821 better than Synology DS1821+?
Yes, Synology 8 Bay NAS DiskStation ds1821 scores higher overall (57 vs 60).
Which is cheaper, Synology 8 Bay NAS DiskStation ds1821 or Synology DS1821+?
Synology 8 Bay NAS DiskStation ds1821 is cheaper at $399 vs $799 for the Synology DS1821+.
Who should buy the Synology 8 Bay NAS DiskStation ds1821?
Buy the Synology 8 Bay NAS DiskStation ds1821 if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Who should buy the Synology DS1821+?
The Synology DS1821+ 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 Synology DS1821+?
Synology DS1821+ is lighter at 1100g vs 1500g.
Comparaciones Relacionadas
Full Synology 8 Bay NAS DiskStation ds1821 review →Full Synology DS1821+ review →All Synology 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.