# What are the quietest network attached storage expansion bays available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the quietest network attached storage expansion bays available?

## Products

### Synology DX1222
```yaml
product: synology-dx1222
brand: Synology
price_gbp: 716.45
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
capacity: 12
interface: Mini-SAS HD expansion port
compatibility: DS3622xs+, DS2422+
power_consumption: 57.71 W access; 16.25 W HDD hibernation
```

- **Price:** £716.45 [^1]
- **Summary:** The Synology DX1222 is a 12-bay, diskless expansion unit for adding storage to compatible Synology DiskStation NAS systems. It supports 3.5in SATA HDDs and 2.5in SATA HDDs or SSDs, with centralized management through Synology DSM and a measured noise level of 24.6 dB(A).
- **Ideal For:** It suits users seeking a quieter NAS expansion bay because its measured noise level is 24.6 dB(A), while its 12 bays provide substantial storage expansion for compatible Synology systems.
- **Additional Sources:** [^2], [^3]

---
## References & Sources
[^1]: Broadbandbuyer, accessed 2026-09-13. https://www.broadbandbuyer.com/products/44340-synology-dx1222/specifications/
[^2]: NAS STORE, accessed 2026-09-13. https://nasstore.eu/product/synology-expansion-unit-dx1222/
[^3]: Bechtle, accessed 2026-09-13. https://www.bechtle.com/de-en/shop/synology-dx1222-expansion-unit--4600157--p