Average Bench: 68.6% (7th of 639)

Based on 4,106 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 26%Average: 68.6% Great: 102%

Above average average bench

The WD Elements 25A3 8TB averaged 31.4% 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 5.91MB/s
Avg. 4K-64Thread Write Speed 4.61MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 8TB is 76.4%. This is a particularly wide range which indicates that the WD Elements 25A3 8TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.87MB/s
Avg. 4K Random Read Speed 2.25MB/s
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Average Bench

(Based on 4,106 samples)
Min Avg Max
34.3 Read 140 200
34.2 Write 144 204
31.7 Mixed 97.4 136
28.8 SusWrite 136 199
175% 129 MB/s
Min Avg Max
1 4K Read 2.25 4.2
4 4K Write 5.91 10.1
1 4K Mixed 1.26 1.8
252% 3.14 MB/s
Min Avg Max
0.6 DQ Read 0.87 1.1
4.3 DQ Write 4.61 5.02
1.6 DQ Mixed 1.9 2.2
225% 2.46 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 174 178 178 178 172 178 MB/s
Read 171
Write 176
Mixed 136
SusWrite 176
224% 165 MB/s
4K Read 3.3
4K Write 9.9
4K Mixed 1.5
400% 4.9 MB/s
DQ Read 0.6
DQ Write 4.3
DQ Mixed 1.9
213% 2.27 MB/s
5.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 174 174 173 170 173 173 MB/s
Read 167
Write 180
Mixed 111
SusWrite 173
214% 158 MB/s
4K Read 1.8
4K Write 5
4K Mixed 1.1
214% 2.63 MB/s
5.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 150 186 176 167 173 176 MB/s
Read 163
Write 182
Mixed 123
SusWrite 171
219% 160 MB/s
4K Read 2
4K Write 4.9
4K Mixed 1.1
212% 2.67 MB/s
4TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 170 161 170 160 163 168 MB/s
Read 167
Write 130
Mixed 123
SusWrite 165
196% 146 MB/s
4K Read 1.6
4K Write 5
4K Mixed 1.2
217% 2.6 MB/s
4.5TB free, PID 25a3
SusWrite @10s intervals: 157 157 158 160 163 157 MB/s
Read 177
Write 186
Mixed 112
SusWrite 158
213% 158 MB/s
4K Read 1.9
4K Write 4.9
4K Mixed 1.1
211% 2.63 MB/s
3TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 144 145 135 139 146 144 MB/s
Read 146
Write 160
Mixed 102
SusWrite 142
187% 138 MB/s
4K Read 2.1
4K Write 5
4K Mixed 1.1
215% 2.73 MB/s
745GB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 103 98 101 106 105 104 MB/s
Read 100
Write 100
Mixed 66.6
SusWrite 103
125% 92.4 MB/s
4K Read 1.6
4K Write 4.9
4K Mixed 1.1
210% 2.53 MB/s
1TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 54 53 54 56 57 59 MB/s
Read 102
Write 112
Mixed 56
SusWrite 55.6
107% 81.4 MB/s
4K Read 2.2
4K Write 4.8
4K Mixed 1.2
212% 2.73 MB/s
4,106 MORE »
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USB Flash Drive Rankings (Price vs Performance) June 2021 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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  • 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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 Frequently Asked Questions

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CPUGPUSSD
Intel Core i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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