# What are the best portable SSDs for professional use? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best portable SSDs for professional use?

## Products

### 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
```

- **Price:** £1149.84 [^1]
- **Summary:** 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.
- **Ideal For:** It suits professional use because its 4TB capacity, USB4 40Gbps interface, speeds up to 4000 MB/s read and 3600 MB/s write, compact 92 g design, and 1500G shock resistance support fast and portable handling of large video, photo, and project files.

### 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
```

- **Price:** £730.8 [^2]
- **Summary:** 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.
- **Ideal For:** It suits professional use because its 2TB capacity, Thunderbolt 5 interface, 6700 MB/s read speed, 5300 MB/s write speed and drop-resistant IP68 design support fast 6K and 8K video workflows in the field.

### 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
```

- **Price:** £317.96 [^3]
- **Summary:** 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.
- **Ideal For:** It suits professional use because it provides 2TB of capacity, read and write speeds up to 1050 MB/s and 1000 MB/s, fingerprint security, and drop resistance up to 6 ft in a compact 2.0 oz design.

---
## References & Sources
[^1]: Corsair, accessed 2026-09-13. https://www.corsair.com/us/en/p/data-storage/cssd-ex400u4tb/ex400u-4tb-usb4-external-ssd-cssd-ex400u4tb
[^2]: CompSource, accessed 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, accessed 2026-09-13. https://www.bhphotovideo.com/c/product/1559839-REG/samsung_mu_pc2t0t_am_2tb_t7_portable_ssd.html