# What are the most reliable NAS devices for continuous use? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the most reliable NAS devices for continuous use?

## Products

### ASUSTOR Drivestor 4 Pro Gen2
```yaml
product: asustor-drivestor-4-pro-gen2
brand: ASUSTOR
price_gbp: 294.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: RAID 0, 1, 5, 6, 10, JBOD, Single
number_of_bays: 4
transfer_speed: 2.5GbE
expandable_storage: Up to 12 additional drives with AS5004U or AS6004U expansion chassis
```

- **Price:** £294.55 [^1]
- **Summary:** The ASUSTOR Drivestor 4 Pro Gen2 is a diskless four-bay NAS with a quad-core Realtek processor, 2GB DDR4 memory, and 2.5GbE networking. It suits homes and small offices needing centralized file storage, backups, media access, and faster local transfers.
- **Ideal For:** It suits continuous use through its four-drive RAID support, low-power ARM platform, 2.5GbE networking, and support for expansion chassis when storage needs grow.

### QNAP TS-464-8G
```yaml
product: qnap-ts-464-8g
brand: QNAP
price_gbp: 737.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: RAID 0, 1, 5, 6, 10, JBOD
number_of_bays: 4
transfer_speed: 2 x 2.5GbE, up to 5Gbps combined
storage_capacity: 96 TB maximum raw capacity
power_consumption: 21.618 W disk standby; 40.536 W typical operation
expandable_storage: Up to 16 hard drives
```

- **Price:** £737.55 [^2]
- **Summary:** The QNAP TS-464-8G is a four-bay, diskless NAS with 8GB of DDR4 memory, dual 2.5GbE networking, two M.2 NVMe slots, and PCIe expansion. It suits home users, media enthusiasts, and small businesses that need fast shared storage, backups, virtualization, or hardware-assisted media transcoding.
- **Ideal For:** It suits continuous use because its four hot-swappable bays support RAID 1, 5, 6, or 10 for drive-failure protection, while the 120mm cooling fan, 90W power adapter, and 21.618 W disk-standby consumption support sustained operation.
- **Additional Sources:** [^3]

### QNAP TS-664-8G
```yaml
product: qnap-ts-664-8g
brand: QNAP
price_gbp: 589.89
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: RAID 0, 1, 5, 6, 10, 50, JBOD
number_of_bays: 6
transfer_speed: Up to 589 MB/s
storage_capacity: Up to 110 TB
power_consumption: 44.02 W operating, 23.22 W HDD sleep
expandable_storage: 2 M.2 NVMe slots, 1 PCIe slot, QNAP expansion enclosures
```

- **Price:** £589.89 [^4]
- **Summary:** The QNAP TS-664-8G is a six-bay NAS with dual 2.5GbE ports, M.2 NVMe slots, and PCIe expansion for fast, scalable storage. It suits home power users, content creators, and small businesses needing centralized file storage, backups, media services, and virtualization support.
- **Ideal For:** It suits continuous use because its six hot-swappable bays support RAID 1, 5, 6, and 10, while snapshots, SSD caching, dual 90mm fans, and a typical operating consumption of 44.02 W support dependable long-running operation.
- **Additional Sources:** [^5], [^6]

### QNAP TS-453E-8G
```yaml
product: qnap-ts-453e-8g
brand: QNAP
price_gbp: 636.4
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
raid_support: RAID 0, 1, 5, 6, 10, JBOD
number_of_bays: 4
transfer_speed: Up to 5Gbps
power_consumption: 35.79W typical operating; 28.974W disk standby
expandable_storage: 2 x M.2 2280 PCIe Gen 3 x2 slots and compatible USB expansion enclosures
```

- **Price:** £636.4 [^7]
- **Summary:** The QNAP TS-453E-8G is a four-bay NAS with 8GB of memory, dual 2.5GbE ports, and two M.2 NVMe slots for caching or additional storage pools. It is supplied without hard drives and suits small businesses, offices, surveillance deployments, backup workloads, and advanced home users who need redundancy and expansion options.
- **Ideal For:** It suits continuous use because its four hot-swappable bays support RAID 1, 5, 6, and 10 for data redundancy, while the 120mm fan, dual 2.5GbE ports, and typical operating power consumption of 35.79W support sustained NAS workloads.
- **Additional Sources:** [^8], [^9]

---
## References & Sources
[^1]: Best Buy, accessed 2026-09-03. https://www.bestbuy.com/product/asustor-as3304t-v2-drivestor-4-pro-gen2-4-bay-nas-quad-core-1-7ghz-cpu-2-5gbe-port-2gb-ddr4-diskless/J3ZYH5HVX2/sku/11237613
[^2]: Scorptec, accessed 2026-09-03. https://www.scorptec.com.au/product/nas/1-4-bays/101937-ts-464-8g
[^3]: QNAPShop Australia, accessed 2026-09-03. https://www.qnapshop.com.au/qnap-ts-464-4-bay-diskless-nas-celeron-n5105-n5095~2346
[^4]: QNAP US Store, accessed 2026-09-03. https://store.qnap.com/ts-664-8g-us.html
[^5]: B&H Photo Video, accessed 2026-09-03. https://www.bhphotovideo.com/c/product/1741903-REG/qnap_ts_664_8g_us_ts_664_6_bay_high_performance_desktop.html
[^6]: NAS Store, accessed 2026-09-03. https://nasstore.eu/product/qnap-nas-ts-664-8g/
[^7]: CDW, accessed 2026-09-03. https://www.cdw.com/product/qnap-ts-453e-nas-server/7625948
[^8]: Zoro, accessed 2026-09-03. https://www.zoro.com/qnap-4-bay-high-performance-desktop-nas-ts-453e-8g-us/i/G514898077/
[^9]: QNAPShop Australia, accessed 2026-09-03. https://www.qnapshop.com.au/qnap-ts-453e-8g-4-bay-desktop-nas-4core-burst-2.6g