Average Bench: 44.2% (28th of 634)

Based on 14 user benchmarks.  Device: VID 059f PID 105e Model: LaCie d2 Quadra v3C

Below average average bench

The LaCie d2 Quadra v3C 2TB averaged 55.8% 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 Write Speed 112MB/s
Avg. Sequential Mixed IO Speed 80.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the LaCie d2 Quadra v3C 2TB is 47.6%. This is a relatively wide range which indicates that the LaCie d2 Quadra v3C 2TB performs inconsistently under varying real world conditions.


Avg. 4K Random Read Speed 0.76MB/s
Avg. 4K Random Mixed IO Speed 0.26MB/s

Average Bench

(Based on 14 samples)
Min Avg Max
28.4 Read 110 171
28.1 Write 112 184
27.5 Mixed 80.7 142
127% 101 MB/s
Min Avg Max
0.34 4K Read 0.76 1
0.53 4K Write 1.22 1.59
0.19 4K Mixed 0.26 0.42
53.2% 0.75 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 105e
Operating at USB 3.0 Speed
Read 171
Write 184
Mixed 126
203% 160 MB/s
4K Read 1
4K Write 1.16
4K Mixed 0.3
53% 0.82 MB/s
1TB free, PID 105e
Operating at USB 3.0 Speed
Read 161
Write 172
Mixed 141
203% 158 MB/s
4K Read 1
4K Write 1.19
4K Mixed 0.42
58% 0.87 MB/s
214GB free, PID 105e
Operating at USB 3.0 Speed
Read 142
Write 143
Mixed 83.4
153% 123 MB/s
4K Read 0.49
4K Write 1.43
4K Mixed 0.22
58% 0.71 MB/s
657GB free, PID 105e
Read 134
Write 150
Mixed 98.3
163% 127 MB/s
4K Read 0.85
4K Write 1
4K Mixed 0.29
47% 0.71 MB/s
208GB free, PID 105e
Operating at USB 3.0 Speed
Read 116
Write 120
Mixed 142
166% 126 MB/s
4K Read 0.78
4K Write 1.42
4K Mixed 0.19
58% 0.8 MB/s
60GB free, PID 105e
Operating at USB 3.0 Speed
Read 96
Write 92.7
Mixed 28
86% 72.2 MB/s
4K Read 0.81
4K Write 1.58
4K Mixed 0.21
64% 0.87 MB/s
14 MORE »
Typical d2 Quadra v3C 2TB Builds (Compare 1,295 builds) See popular component choices, score breakdowns and rankings.
Gaming 59%
Desktop 64%
Workstation 39%
Jet ski

Motherboard: Asus P8Z68-V GEN3

EDIT WITH CUSTOM PC BUILDER Value: 72% - Very good Total price: $701

Popular d2 Quadra v3C 2TB compatible motherboards:

How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

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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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

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The Best.
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Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $146
AMD Ryzen 5 1600 $189AMD RX 480 $400Samsung 850 Pro 256GB $155
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $198SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.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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