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LaCie Rugged SSD Pro 4TB vs Netac ZX1 1TB — Which External SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro 4TB and Netac ZX1 1TB side by side. Both are 4TB Thunderbolt 3 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

LaCie

LaCie Rugged SSD Pro 4TB

9.2/10

A 4TBThunderbolt 3 portable — uniquely huge for this speed tier. The Rugged SSD Pro 4TB fills a slot nothing else really does: 4TB of fast external storage that's actually rugged, not just claimed to be.

Thunderbolt 3 + 4TB

IP67 + 3m drop + 1-ton crush

5-year Rescue

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Netac

Netac ZX1 1TB

7.5/10

A budget Gen 2x2 portable from Netac — aggressive price vs the brand-name tier. The 1800 MB/s write rating is real but drops further on sustained workloads past the SLC cache. A valid budget pick for game-library overflow where peak sustained write doesn't matter.

Gen 2x2 2000 read

Budget pricing

Compact form factor

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Spec Comparison

Spec

LaCie Rugged SSD Pro 4TB

Netac ZX1 1TB

Read Speed

2.7 GB/s ✓

2.0 GB/s

Write Speed

1.9 GB/s ✓

1.8 GB/s

Capacity

4 TB ✓

1 TB

Interface

Thunderbolt 3

USB 3.2 Gen 2x2

Endurance (TBW)

2,400 TB ✓

600 TB

Warranty

5 Years ✓

3 Years

Score

9.2/10 ✓

7.5/10

Total Wins

6 wins

0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or Netac ZX1 1TB?

The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 7.5/10 for the Netac ZX1 1TB. Our expert analysis favors the LaCie Rugged SSD Pro 4TB for its superior speed.

What's the difference between LaCie Rugged SSD Pro 4TB and Netac ZX1 1TB?

The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 2,000 MB/s for the Netac ZX1 1TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while Netac ZX1 1TB is 1TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the Netac ZX1 1TB uses USB 3.2 Gen 2x2.

Which is faster, LaCie Rugged SSD Pro 4TB or Netac ZX1 1TB?

The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the Netac ZX1 1TB. That's a 35% speed advantage.

Which has better value, LaCie Rugged SSD Pro 4TB or Netac ZX1 1TB?

The LaCie Rugged SSD Pro 4TB scores higher (9.2 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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