Average Bench: 41.9% (35th of 639)

Based on 16 user benchmarks.  Device: VID 059f PID 105e Model: LaCie d2 Quadra v3C
Poor: 14%Average: 41.9% Great: 65%

Below average average bench

The LaCie d2 Quadra v3C 2TB averaged 58.0% 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.

Strengths

Avg. Sequential Write Speed 104MB/s
Avg. 4K Random Write Speed 1.22MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the LaCie d2 Quadra v3C 2TB is 50.5%. This is a relatively wide range which indicates that the LaCie d2 Quadra v3C 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.74MB/s
Avg. 4K Random Mixed IO Speed 0.31MB/s
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Average Bench

(Based on 16 samples)
Min Avg Max
28.4 Read 103 171
27.3 Write 104 184
25.3 Mixed 75.7 142
27 SusWrite 61.8 96.5
114% 86.2 MB/s
Min Avg Max
0.3 4K Read 0.74 1
0.53 4K Write 1.22 1.59
0.19 4K Mixed 0.31 0.7
54.9% 0.76 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
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
157GB free, PID 105e
Operating at USB 3.0 Speed
SusWrite @10s intervals: 109 106 96 83 98 87 MB/s
Read 85.1
Write 72.8
Mixed 55.5
SusWrite 96.5
104% 77.5 MB/s
4K Read 0.3
4K Write 1.4
4K Mixed 0.6
69% 0.77 MB/s
61GB free, PID 105e
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 27 27 27 27 MB/s
Read 32.5
Write 27.3
Mixed 25.3
SusWrite 27
37% 28 MB/s
4K Read 0.8
4K Write 1.1
4K Mixed 0.7
64% 0.87 MB/s
16 MORE »
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USB Flash Drive Rankings (Price vs Performance) December 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]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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

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