# 哪种 NAS 扩展盘位对初学者来说性价比最高？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which NAS expansion bay offers the best value for beginners?

## 产品列表

### Ubiquiti UniFi UNAS 2
```yaml
product: ubiquiti-unifi-unas-2
brand: Ubiquiti
price_gbp: 132.41
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
capacity: 2 x 3.5in HDD
interface: 2.5 GbE RJ45, 5 Gbps USB-C, PoE++
read_speed: 260 MB/s
write_speed: 160-180 MB/s
power_consumption: 60W maximum
```

- **价格:** £132.41 [^1]
- **概述:** The UniFi UNAS 2 is a compact two-bay NAS with 2.5 GbE networking, USB-C expansion, RAID 1 support, and PoE++ power through its included 60W adapter. It suits home users, small offices, and existing UniFi customers who want straightforward file sharing, backups, and centralized storage.
- **最适合:** 凭借两个 3.5in 硬盘位、简单易用的 UniFi Drive 管理、RAID 1 支持、2.5 GbE 网络和 199.00 的入门价格，它对初学者来说具有很高的性价比。
- **附加来源:** [^2], [^3]

### Ubiquiti UniFi UNAS 4
```yaml
product: ubiquiti-unifi-unas-4
brand: Ubiquiti
price_gbp: 280.35
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
capacity: 4 x 2.5/3.5in HDD bays and 2 M.2 NVMe bays
interface: 1 x 2.5 GbE RJ45 and 1 x 5 Gbps USB-C
power_consumption: 90W maximum
```

- **价格:** £280.35 [^4]
- **概述:** The UniFi UNAS 4 is a compact desktop NAS with four drive bays, two M.2 NVMe cache slots, 2.5 GbE networking, USB-C expansion, and PoE+++ power. It suits home users, beginners, and small businesses already using UniFi equipment who need flexible RAID storage without a rack-mounted system.
- **最适合:** 它配备四个 2.5/3.5英寸硬盘位、支持 RAID 5/6/10、配备两个 NVMe 缓存插槽，并可通过 UniFi Drive 进行简单管理；相比更高速的机架式型号，具有更高的入门性价比。

### Ubiquiti UniFi UNAS Pro 7-Bay
```yaml
product: ubiquiti-unifi-unas-pro-7-bay
brand: Ubiquiti
price_gbp: 348.05
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
capacity: 7 2.5/3.5in HDD or SSD bays
interface: 1 x 10G SFP+ and 1 x 1GbE RJ45
read_speed: 799 MB/s
write_speed: 675 MB/s
power_consumption: 160W
```

- **价格:** £348.05 [^5]
- **概述:** The Ubiquiti UniFi UNAS Pro is a 2U rack-mount NAS with seven 2.5/3.5in drive bays, RAID 5, RAID 6, and RAID 10 support, and 10Gbps networking. It suits homes, small businesses, and UniFi users who need expandable local storage, backups, and high-speed file sharing.
- **最适合:** 凭借七个硬盘位、简便易用的 UniFi Drive 管理、RAID 数据保护和 10Gbps 网络连接，以及相对较低的入门价格，它为初学者提供了出色的性价比。
- **附加来源:** [^6]

---
## 参考来源
[^1]: Ubiquiti Store, 访问日期 2026-09-13. https://store.ui.com/us/en/products/unas-2
[^2]: Ubiquiti Store Europe, 访问日期 2026-09-13. https://eu.store.ui.com/eu/en/products/unas-2
[^3]: Newegg, 访问日期 2026-09-13. https://www.newegg.com/p/0YH-00JY-001C6
[^4]: Ubiquiti Store, 访问日期 2026-09-13. https://store.ui.com/us/en/products/unas-4
[^5]: Ubiquiti Store, 访问日期 2026-09-13. https://store.ui.com/us/en/products/unas-pro
[^6]: GETIC, 访问日期 2026-09-13. https://www.getic.com/product/ubiquiti-unas-pro