Average Bench: 67% (7th of 639)

Based on 862 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 24%Average: 67% Great: 86%

Above average average bench

The WD Elements 25A3 8TB averaged 32.9% 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 5.14MB/s
Avg. 4K-64Thread Write Speed 4.78MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 8TB is 61.5%. 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 0.89MB/s
Avg. 4K Random Read Speed 1.87MB/s
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Average Bench

(Based on 862 samples)
Min Avg Max
31.7 Read 142 192
27 Write 147 200
28.5 Mixed 96.2 128
25.5 SusWrite 139 187
177% 131 MB/s
Min Avg Max
1.19 4K Read 1.87 3.2
4.1 4K Write 5.14 9.2
1 4K Mixed 1.18 1.6
222% 2.73 MB/s
Min Avg Max
0.6 DQ Read 0.89 1.68
4.32 DQ Write 4.78 5.47
1.68 DQ Mixed 2.03 2.3
235% 2.57 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
7TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 196 189 179 182 187 193 MB/s
Read 178
Write 184
Mixed 114
SusWrite 188
225% 166 MB/s
4K Read 1.5
4K Write 4.9
4K Mixed 1.1
210% 2.5 MB/s
6.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 174 186 185 186 188 171 MB/s
Read 160
Write 176
Mixed 118
SusWrite 182
218% 159 MB/s
4K Read 1.7
4K Write 5
4K Mixed 1.1
214% 2.6 MB/s
5.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 171 163 183 163 175 177 MB/s
Read 174
Write 192
Mixed 116
SusWrite 172
222% 164 MB/s
4K Read 1.7
4K Write 5
4K Mixed 1.2
217% 2.63 MB/s
6TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 172 175 177 176 171 175 MB/s
Read 172
Write 188
Mixed 129
SusWrite 174
226% 166 MB/s
4K Read 1.8
4K Write 4.9
4K Mixed 1.2
214% 2.63 MB/s
7TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 174 182 176 178 177 184 MB/s
Read 138
Write 38.2
Mixed 80.2
SusWrite 178
142% 109 MB/s
4K Read 1
4K Write 2.2
4K Mixed 1
112% 1.4 MB/s
951GB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 137 134 136 135 138 133 MB/s
Read 116
Write 133
Mixed 88.7
SusWrite 135
163% 118 MB/s
4K Read 1.9
4K Write 4.8
4K Mixed 1.2
211% 2.63 MB/s
862 MORE »
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USB Flash Drive Rankings (Price vs Performance) December 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.
  • 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $260Crucial MX500 250GB $45
Intel Core i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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