Average Bench: 43.4% (34th of 634)

Based on 2 user benchmarks.  Device: VID 059f PID 106c Model: LaCie XtremKey
Poor: 41%Average: 43.4% Great: 46%

Popular builds with this USB

Below average effective speed

The Lacie XtremKey USB 3.0 32GB averaged 56.6% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. Sequential Read Speed 205MB/s
Avg. Sequential Mixed IO Speed 65.9MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.


Avg. 4K Random Mixed IO Speed 0.33MB/s
Avg. 4K Random Write Speed 0.38MB/s

Average Bench

(Based on 2 samples)
Min Avg Max
199 Read 205 211
44.9 Write 52.4 59.9
37.5 Mixed 65.9 94.4
108% 108 MB/s
Min Avg Max
4.18 4K Read 4.69 5.2
0.37 4K Write 0.38 0.4
0.28 4K Mixed 0.33 0.38
41.8% 1.8 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
20GB free, PID 106c
Operating at USB 3.0 Speed
Read 211
Write 59.9
Mixed 94.4
129% 122 MB/s
4K Read 4.18
4K Write 0.37
4K Mixed 0.38
41% 1.65 MB/s
16GB free, PID 106c
Operating at USB 3.0 Speed
Read 199
Write 44.9
Mixed 37.5
88% 93.7 MB/s
4K Read 5.2
4K Write 0.4
4K Mixed 0.28
42% 1.96 MB/s


Approx. $87 @ launch in Dec '12
AmazonUS $602 years
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Typical XtremKey USB 3.0 32GB Builds (Compare 650 builds) See popular component choices, score breakdowns and rankings.
Gaming 90%
Nuclear submarine
Desktop 75%
Workstation 57%

Motherboard: Asus MAXIMUS VI EXTREME - $300

EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $1,363

Popular XtremKey USB 3.0 32GB compatible motherboards:

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Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
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  • - RAM tests include: single/multi core bandwidth and latency.
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USB Flash Drive Rankings (Price vs Performance) March 2018 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest real world speed - Real World Speed measures performance for typical flash usage patterns.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.


634 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $148
Intel Core i5-8600K $235AMD RX 480 $400Samsung 850 Pro 256GB $160
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $170SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $51Corsair Vengeance LPX DDR4 3200 C16 2x8GB $205SanDisk Extreme 16GB $18
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