Crucial
Crucial X10 Pro Portable SSD
$108Cheaper
Released 2023-08
Best Portable Ssds · head-to-head
A sourced, side-by-side comparison. Crucial X10 Pro Portable SSD is cheaper at $108. Every spec and price links to its source.
Crucial
$108Cheaper
Released 2023-08
LaCie
$200
Released 2019
The LaCie Rugged SSD Pro wins 2 of the 3 specs we compare head to head; the other wins 1. The Crucial X10 Pro Portable SSD is the cheaper at $108. Get the LaCie Rugged SSD Pro for the stronger spec sheet, the Crucial X10 Pro Portable SSD to spend less.
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The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $108 | $200 |
| Brand | Crucial | LaCie |
| Released | 2023-08 | 2019 |
| Capacity (GB) | 1000 | 1000 |
| Read (Mbps) | 2100 | 2800 |
| Write (Mbps) | 2000 | 2300 |
| Interface | USB 3.2 Gen 2x2 (20 Gbps) | Thunderbolt 3 / USB-C |
| Encryption | — | — |
| IP rating | IP55 | IP67 |
| Weight (g) | 42 | 100 |
| Release | 2023-08 | 2019 |
Sources — Crucial X10 Pro Portable SSD: storagereview.com (verified 2026-06-15). LaCie Rugged SSD Pro: seagate.com (verified 2026-06-15).
Where the two actually differ on the specs we track (5 of 7). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Three whitelisted testers (Tom's Hardware, StorageReview, PCWorld) all lab-benchmarked the 2TB Crucial X10 Pro and recommend it: the fastest real-world 20Gbps USB SSD they tested, near Thunderbolt 3 in file transfers, with strong sustained writes. Caveats: it trails rival Gen 2x2 drives in synthetics and needs a rare USB 3.2 Gen 2x2 port. (3 sourced reviews, 3 lab-tested.)
Praised: Fastest / class-leading real-world 20Gbps USB performance, rivaling Thunderbolt 3 in file transfers; Excellent sustained write performance for large-file creative workloads; Compact, solid, IP55-rated metal shell at a reasonable price.
Flagged: Needs a rare USB 3.2 Gen 2x2 port; halves to 10Gbps on Thunderbolt/standard ports; Trails competing Gen 2x2 drives and Thunderbolt in synthetic/random benchmarks; Write speed collapses (to ~50MBps) once the SLC cache is fully exhausted.
Only one whitelisted outlet (Tom's Hardware) has a hands-on, benchmarked review of this exact Thunderbolt 3 model. It rates the drive fast and cool-running with a rugged IP67 build, but flags a small SLC write cache, a steep price (about twice a typical 10 Gbps SSD), and the lack of AES hardware encryption found on the cheaper non-Pro Rugged SSD. (1 sourced review, 1 lab-tested.)
Praised: Competitive Thunderbolt 3 speed: ATTO ~2,450/2,130 MB/s read/write, peaking near 2.8/2.4 GB/s in iometer; Runs cool and avoids thermal throttling under sustained load, unlike the Samsung X5; Rugged IP67 build (3m drop, car-crush rated) with 5-year warranty plus Rescue data-recovery service.
Flagged: Small SLC write cache: sustained writes fall from ~2.1 GB/s to ~1.1 GB/s after roughly 25GB; Very expensive, about twice the cost of most 10 Gbps portable SSDs; Lacks 256-bit AES hardware encryption that the cheaper non-Pro Rugged SSD includes.