Average Bench: 43.1% (34th of 639)

Based on 566 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 14%Average: 43.1% Great: 67%

Below average average bench

The WD Elements 25A3 3TB averaged 56.9% 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 Random Write Speed 2.21MB/s
Avg. Sequential Write Speed 98.3MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 3TB is 53.2%. This is a relatively wide range which indicates that the WD Elements 25A3 3TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.87MB/s
Avg. Sequential Read Speed 102MB/s
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Average Bench

(Based on 566 samples)
Min Avg Max
27.7 Read 102 166
23 Write 98.3 161
22.8 Mixed 78.7 124
19 SusWrite 98.2 166
127% 94.2 MB/s
Min Avg Max
0.52 4K Read 0.87 1.1
1.3 4K Write 2.21 2.71
0.22 4K Mixed 0.72 1.1
103% 1.27 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 165 166 166 163 166 165 MB/s
Read 172
Write 155
Mixed 126
SusWrite 165
208% 155 MB/s
4K Read 1
4K Write 2.6
4K Mixed 1
126% 1.53 MB/s
2.5TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 166 163 165 166 166 165 MB/s
Read 164
Write 164
Mixed 136
SusWrite 165
215% 158 MB/s
4K Read 1.1
4K Write 2.6
4K Mixed 1
126% 1.57 MB/s
2TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 162 162 163 163 162 162 MB/s
Read 162
Write 161
Mixed 127
SusWrite 162
208% 153 MB/s
4K Read 1.1
4K Write 2.7
4K Mixed 1
130% 1.6 MB/s
2TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 154 156 160 157 158 159 MB/s
Read 158
Write 156
Mixed 112
SusWrite 157
197% 146 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1
123% 1.5 MB/s
405GB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 132 132 131 132 132 131 MB/s
Read 129
Write 133
Mixed 107
SusWrite 132
171% 125 MB/s
4K Read 1.1
4K Write 2.5
4K Mixed 1
123% 1.53 MB/s
927GB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 129 132 131 131 132 130 MB/s
Read 127
Write 130
Mixed 105
SusWrite 131
168% 123 MB/s
4K Read 1.1
4K Write 2.5
4K Mixed 1
123% 1.53 MB/s
494GB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 92 92 92 89 93 93 MB/s
Read 92.5
Write 90.4
Mixed 73
SusWrite 91.8
118% 86.9 MB/s
4K Read 0.9
4K Write 2.2
4K Mixed 1
112% 1.37 MB/s
883GB free, PID 25a3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 33 33 33 33 33 MB/s
Read 33.5
Write 32.5
Mixed 30.5
SusWrite 32.5
44% 32.2 MB/s
4K Read 0.9
4K Write 2.2
4K Mixed 1
112% 1.37 MB/s
566 MORE »
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USB Flash Drive Rankings (Price vs Performance) October 2019 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.

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

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 Frequently Asked Questions

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CPUGPUSSD
Intel Core i5-9400F $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $57
Intel Core i5-9600K $240Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
AMD Ryzen 5 3600 $185Nvidia RTX 2060 $349Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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