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External SSDs

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LaCie Rugged SSD Pro 4TB vs Silicon Power PC60 1TB — Which External SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro 4TB and Silicon Power PC60 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
Check on Amazon →

Silicon Power

Silicon Power PC60 1TB
7.3/10

A budget 1050-class Gen 2 portable from Silicon Power — one of the cheapest brand-name 1TB Gen 2 SSDs at retail. Plastic body, gray aesthetic, no IP rating. Real value is cost-per-TB, not build or sustained performance.

1000 MB/s read
Budget pricing
Compact form factor
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro 4TB
Silicon Power PC60 1TB
Read Speed
2.7 GB/s ✓
1.0 GB/s
Write Speed
1.9 GB/s ✓
900 MB/s
Capacity
4 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
7.3/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or Silicon Power PC60 1TB?
The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 7.3/10 for the Silicon Power PC60 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 Silicon Power PC60 1TB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 1,000 MB/s for the Silicon Power PC60 1TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while Silicon Power PC60 1TB is 1TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the Silicon Power PC60 1TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 4TB or Silicon Power PC60 1TB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 1,000 MB/s for the Silicon Power PC60 1TB. That's a 170% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or Silicon Power PC60 1TB?
The LaCie Rugged SSD Pro 4TB scores higher (9.2 vs 7.3/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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