# 哪些 NAS 设备在 500 英镑以内具有最佳性价比？ — 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 devices offer the best value for money under £500?

## 产品列表

### Synology DS420+
```yaml
product: synology-ds420
brand: Synology
price_gbp: 354.66
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
number_of_bays: 4
transfer_speed: 226 MB/s read, 225 MB/s write
storage_capacity: 64TB
power_consumption: 28.25W access, 6.10W HDD hibernation
expandable_storage: false
```

- **价格:** £354.66 [^1]
- **概述:** The Synology DS420+ is a four-bay NAS enclosure supporting up to 64TB of internal storage, dual Gigabit Ethernet, and M.2 NVMe SSD caching. It suits home users, enthusiasts, and small businesses needing centralized file storage, backups, media streaming, and flexible RAID protection.
- **最适合:** DS420+ 的价格低于 £500 时具有较高性价比，因为其四个盘位支持最高 64TB 存储，并配备双 Gigabit Ethernet 和 M.2 NVMe 缓存，同时支持 RAID 5、RAID 6、RAID 10 以及 Synology 混合 RAID。

### TerraMaster F2-221
```yaml
product: terramaster-f2-221
brand: TerraMaster
price_gbp: 191.31
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: Single, JBOD, RAID 0, RAID 1
number_of_bays: 2
transfer_speed: 215MB/s read and 212MB/s write
storage_capacity: 40TB
power_consumption: 22.1W read/write and 11.4W hibernation
expandable_storage: USB 3.0 external storage
```

- **价格:** £191.31 [^2]
- **概述:** The TerraMaster F2-221 is a two-bay NAS supporting up to 40TB of internal raw storage with RAID 0, RAID 1, JBOD, or single-drive configurations. Its dual Gigabit Ethernet ports, USB 3.0 connectivity, and 4K video transcoding make it suitable for home users and small offices needing shared storage, backups, and media streaming.
- **最适合:** 对于家庭或小型办公室的备份和媒体存储需求而言，它在 £500 以下的价位提供了出色的性价比，配备双盘位，支持最高 40TB 存储容量、RAID 1 数据保护、标称最高 215MB/s 的传输速度，以及 USB 3.0 扩展功能。
- **附加来源:** [^3]

### TerraMaster F4 SSD
```yaml
product: terramaster-f4-ssd
brand: TerraMaster
price_gbp: 293.59
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: TRAID, TRAID+, Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
number_of_bays: 4 x M.2 NVMe
transfer_speed: 5GbE
storage_capacity: 32 TB
power_consumption: 32.0 W read/write; 8.0 W hibernation
expandable_storage: TRAID, TRAID+, RAID 5, RAID 6, RAID 10 with larger drives
```

- **价格:** £293.59 [^4]
- **概述:** TerraMaster F4 SSD 是一款紧凑、静音的四盘位全闪存 NAS，通过四块 M.2 NVMe SSD 支持最高 32 TB 存储容量。其 5GbE 网络、灵活的 RAID 选项、TRAID 扩容功能和低功耗特点，非常适合希望获得快速共享存储的家庭用户、创作者和小型办公室。
- **最适合:** 在 500 英镑以下的产品中，它凭借四个 M.2 NVMe 插槽、高达 32 TB 的存储容量、5GbE 网络、灵活的 TRAID 扩展功能，以及对 RAID 0、1、5、6 和 10 的支持，具有很高的性价比。
- **附加来源:** [^5]

---
## 参考来源
[^1]: Network Webcams, 访问日期 2026-08-28. https://www.networkwebcams.co.uk/synology-ds420/
[^2]: Amazon, 访问日期 2026-08-28. https://www.amazon.com/s?k=TerraMaster+F2-221
[^3]: Newegg, 访问日期 2026-08-28. https://www.newegg.com/p/pl?d=TerraMaster+F2-221
[^4]: Amazon, 访问日期 2026-08-28. https://www.amazon.com/s?k=TerraMaster+F4+SSD
[^5]: TerraMaster Official Store, 访问日期 2026-08-28. https://www.terra-master.com/products/f4-ssd