Average Bench: 40.5% (39th of 639)

Based on 9,103 user benchmarks.  Device: VID 1058 PID 25a2 Model: WD Elements 25A2
Poor: 15%Average: 40.5% Great: 63%

Below average average bench

The WD Elements 25A2 2TB averaged 59.5% 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. 4K-64Thread Write Speed 10.3MB/s
Avg. 4K Random Write Speed 3.16MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A2 2TB is 48.7%. This is a relatively wide range which indicates that the WD Elements 25A2 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.43MB/s
Avg. 4K Random Read Speed 0.94MB/s
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Average Bench

(Based on 9,103 samples)
Min Avg Max
26.8 Read 92.8 161
22 Write 81.5 118
21.7 Mixed 53.7 83.5
21.6 SusWrite 78.5 114
101% 76.6 MB/s
Min Avg Max
0.4 4K Read 0.94 1.9
1.3 4K Write 3.16 6
0.3 4K Mixed 0.61 0.9
132% 1.57 MB/s
Min Avg Max
0.4 DQ Read 0.43 0.5
9.9 DQ Write 10.3 10.7
0.5 DQ Mixed 0.58 0.6
372% 3.77 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1TB free, PID 25a2
Operating at USB 3.1 Speed
SusWrite @10s intervals: 112 115 115 113 114 114 MB/s
Read 135
Write 116
Mixed 73
SusWrite 114
144% 109 MB/s
4K Read 2.3
4K Write 4.5
4K Mixed 0.4
175% 2.4 MB/s
62GB free, PID 25a2
Operating at USB 3.1 Speed
SusWrite @10s intervals: 95 91 93 94 94 91 MB/s
Read 144
Write 116
Mixed 70.7
SusWrite 92.9
136% 106 MB/s
4K Read 0.8
4K Write 4.4
4K Mixed 0.3
163% 1.83 MB/s
1TB free, PID 25a2
Operating at USB 3.1 Speed
SusWrite @10s intervals: 96 47 99 97 90 102 MB/s
Read 134
Write 116
Mixed 69.7
SusWrite 88.6
132% 102 MB/s
4K Read 1.7
4K Write 3
4K Mixed 0.4
122% 1.7 MB/s
65GB free, PID 25a2
Operating at USB 3.1 Speed
SusWrite @10s intervals: 61 60 60 60 59 60 MB/s
Read 113
Write 85.2
Mixed 66
SusWrite 60.1
104% 81.1 MB/s
4K Read 1.6
4K Write 4.5
4K Mixed 0.3
169% 2.13 MB/s
903GB free, PID 25a2
Operating at USB 3.0 Speed
SusWrite @10s intervals: 103 104 104 101 102 102 MB/s
Read 76.5
Write 78.6
Mixed 48.4
SusWrite 103
105% 76.5 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.8
90% 1.03 MB/s
689GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 29 29 29 29 29 29 MB/s
Read 32.2
Write 29.3
Mixed 25
SusWrite 29.1
39% 28.9 MB/s
4K Read 0.6
4K Write 3.2
4K Mixed 0.6
132% 1.47 MB/s
1.5TB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 39 41 41 41 40 MB/s
Read 40
Write 39.3
Mixed 30.5
SusWrite 40.2
51% 37.5 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 0.7
90% 1.03 MB/s
178GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 35 35 36 37 36 36 MB/s
Read 36.5
Write 34.3
Mixed 23
SusWrite 35.7
43% 32.4 MB/s
4K Read 0.4
4K Write 1.5
4K Mixed 0.7
76% 0.87 MB/s
9,103 MORE »
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USB Flash Drive Rankings (Price vs Performance) April 2020 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.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

639 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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Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $84SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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