Average Bench: 80.8% (5th of 639)

Based on 1,647 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 41%Average: 80.8% Great: 104%

Very good average bench

The WD Elements 25A3 12TB averaged just 19.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Elements 25A3 12TB near the top of the comparison list.

Strengths

Avg. 4K Random Write Speed 7.64MB/s
Avg. 4K-64Thread Write Speed 6.75MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 12TB is 63.2%. This is a particularly wide range which indicates that the WD Elements 25A3 12TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.68MB/s
Avg. 4K Random Read Speed 9.02MB/s
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Average Bench

(Based on 1,647 samples)
Min Avg Max
38.8 Read 158 205
38.4 Write 162 209
32.6 Mixed 139 205
37.7 SusWrite 148 202
207% 152 MB/s
Min Avg Max
1 4K Read 9.02 18.8
3.7 4K Write 7.64 10.7
0.8 4K Mixed 1.38 3.3
340% 6.02 MB/s
Min Avg Max
0.4 DQ Read 0.68 1
4.72 DQ Write 6.75 9.78
1.1 DQ Mixed 1.39 1.8
279% 2.94 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 204 209 201 200 208 198 MB/s
Read 200
Write 214
Mixed 208
SusWrite 203
284% 206 MB/s
4K Read 12.9
4K Write 9.7
4K Mixed 1.3
422% 7.97 MB/s
DQ Read 0.8
DQ Write 8.3
DQ Mixed 1.7
343% 3.6 MB/s
10.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 199 201 210 202 196 205 MB/s
Read 209
Write 212
Mixed 209
SusWrite 202
285% 208 MB/s
4K Read 11.6
4K Write 9.4
4K Mixed 1.3
407% 7.43 MB/s
DQ Read 0.8
DQ Write 8.1
DQ Mixed 1.6
333% 3.5 MB/s
10.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 180 190 187 184 181 193 MB/s
Read 187
Write 188
Mixed 159
SusWrite 186
245% 180 MB/s
4K Read 16.4
4K Write 9.8
4K Mixed 1
428% 9.07 MB/s
DQ Read 0.5
DQ Write 6
DQ Mixed 1.5
257% 2.67 MB/s
4.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 150 156 152 150 156 157 MB/s
Read 190
Write 197
Mixed 140
SusWrite 154
228% 170 MB/s
4K Read 5.3
4K Write 9.5
4K Mixed 0.9
373% 5.23 MB/s
DQ Read 0.6
DQ Write 4.6
DQ Mixed 1.6
213% 2.27 MB/s
1TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 191 185 192 185 192 193 MB/s
Read 163
Write 164
Mixed 180
SusWrite 190
242% 174 MB/s
4K Read 10.5
4K Write 7.7
4K Mixed 1.5
352% 6.57 MB/s
6.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 174 175 171 176 165 178 MB/s
Read 171
Write 176
Mixed 198
SusWrite 173
248% 180 MB/s
4K Read 11.5
4K Write 8.2
4K Mixed 1.2
362% 6.97 MB/s
DQ Read 1
DQ Write 9.2
DQ Mixed 1.5
368% 3.9 MB/s
9.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 157 152 151 152 151 183 MB/s
Read 195
Write 200
Mixed 198
SusWrite 158
256% 188 MB/s
4K Read 11.1
4K Write 7.1
4K Mixed 1.4
330% 6.53 MB/s
10TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 122 123 121 120 123 120 MB/s
Read 165
Write 169
Mixed 161
SusWrite 122
209% 154 MB/s
4K Read 8.6
4K Write 3.7
4K Mixed 3.4
273% 5.23 MB/s
279GB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 91 97 95 98 97 97 MB/s
Read 110
Write 116
Mixed 95.8
SusWrite 95.7
142% 104 MB/s
4K Read 6.7
4K Write 6.6
4K Mixed 1.2
290% 4.83 MB/s
1,647 MORE »
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USB Flash Drive Rankings (Price vs Performance) September 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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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.

 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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Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $390Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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