# ... — 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。

What are the best portable SSDs for professional use?

## 产品列表

### Corsair EX400U 4TB
```yaml
product: corsair-ex400u-4tb
brand: Corsair
price_gbp: 1149.84
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 92 g
capacity: 4TB
interface: USB Type-C USB4 40Gbps
dimensions: 64.3 x 64 x 12 mm
read_speed: Up to 4000 MB/s
write_speed: Up to 3600 MB/s
shock_resistance: 1500G
```

- **价格:** £1149.84 [^1]
- **概述:** The Corsair EX400U 4TB is a compact portable SSD with USB4 connectivity, read speeds up to 4000 MB/s, and write speeds up to 3600 MB/s. Its MagSafe-compatible magnetic ring, broad USB-C compatibility, and high capacity make it suitable for creators, professionals, and users transferring large files on the move.
- **最适合:** 它适合专业使用，其 4TB 容量、USB4 40Gbps 接口、最高 4000 MB/s 的读取速度和 3600 MB/s 的写入速度、紧凑的 92 g 设计以及 1500G 抗震能力，能够支持大型视频、照片和项目文件的快速便携处理。

### LaCie Rugged SSD Pro5 2TB
```yaml
product: lacie-rugged-ssd-pro5-2tb
brand: LaCie
price_gbp: 730.8
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 150.1 g
capacity: 2 TB
interface: Thunderbolt 5, Thunderbolt 4
dimensions: 17 x 65 x 98 mm
read_speed: 6700 MB/s
write_speed: 5300 MB/s
shock_resistance: Drop resistant up to 3 m; withstands 2-ton vehicle pressure
```

- **价格:** £730.8 [^2]
- **概述:** The LaCie Rugged SSD Pro5 2TB is a high-speed portable SSD with Thunderbolt 5 connectivity, rated read speeds of 6700 MB/s and write speeds of 5300 MB/s. Its IP68-rated rugged design protects against dust, water and drops, making it suited to professional photographers, videographers and other creators working in demanding environments.
- **最适合:** 凭借 2 TB 容量、Thunderbolt 5 接口、6700 MB/s 读取速度、5300 MB/s 写入速度以及具备抗跌落能力的 IP68 设计，它适合专业使用，可支持外出拍摄时快速处理 6K 和 8K 视频工作流。

### Samsung T7 Touch Portable SSD 2TB
```yaml
product: samsung-t7-touch-portable-ssd-2tb
brand: Samsung
price_gbp: 317.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 2.0 oz
capacity: 2TB
interface: USB 3.2 Gen 2
dimensions: 3.4 x 2.2 x 0.3 in
read_speed: 1050 MB/s
write_speed: 1000 MB/s
shock_resistance: Drop resistance up to 6 ft
```

- **价格:** £317.96 [^3]
- **概述:** The Samsung T7 Touch Portable SSD 2TB combines fast USB 3.2 Gen 2 transfers with fingerprint recognition, password protection, and AES 256-bit hardware encryption. Its compact aluminum design is lightweight and resistant to drops, making it suitable for professionals who need secure portable storage.
- **最适合:** 它适合专业用途，因为具备 2TB 容量、最高 1050 MB/s 的读取速度和 1000 MB/s 的写入速度、指纹安全功能，以及在紧凑的 2.0 oz 设计下最高 6 ft 的抗跌落能力。

---
## 参考来源
[^1]: Corsair, 访问日期 2026-09-13. https://www.corsair.com/us/en/p/data-storage/cssd-ex400u4tb/ex400u-4tb-usb4-external-ssd-cssd-ex400u4tb
[^2]: CompSource, 访问日期 2026-09-13. https://www.compsource.com/pn/STNA2000400/Lacie-238/Lacie-Rugged-Ssd-Pro5-2-Tb-Solid-State-Drive--External--Blue--Thunderbolt-5-Thunderbolt-4--6700/
[^3]: B&H Photo Video, 访问日期 2026-09-13. https://www.bhphotovideo.com/c/product/1559839-REG/samsung_mu_pc2t0t_am_2tb_t7_portable_ssd.html