Average Bench: 59.9% (13th of 639)

Based on 453 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 20%Average: 59.9% Great: 97%

Average average bench

The WD Elements 25A3 6TB averaged 40.1% 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 9.27MB/s
Avg. 4K Random Write Speed 3.86MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 6TB is 76.8%. This is a particularly wide range which indicates that the WD Elements 25A3 6TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.41MB/s
Avg. 4K Random Read Speed 2.9MB/s
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Average Bench

(Based on 453 samples)
Min Avg Max
31.9 Read 133 193
28.4 Write 125 176
26.8 Mixed 92.6 130
26.7 SusWrite 129 180
162% 120 MB/s
Min Avg Max
0.73 4K Read 2.9 17.5
1.7 4K Write 3.86 9.3
0.37 4K Mixed 0.91 1.1
173% 2.56 MB/s
Min Avg Max
0.3 DQ Read 0.41 0.5
8.5 DQ Write 9.27 9.7
0.5 DQ Mixed 0.62 0.7
338% 3.43 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
5.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 191 188 191 188 190 187 MB/s
Read 202
Write 168
Mixed 126
SusWrite 189
227% 171 MB/s
4K Read 20.3
4K Write 9.3
4K Mixed 0.7
415% 10.1 MB/s
DQ Read 0.4
DQ Write 9.6
DQ Mixed 0.6
348% 3.53 MB/s
137GB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 149 155 165 165 165 165 MB/s
Read 164
Write 162
Mixed 108
SusWrite 161
200% 149 MB/s
4K Read 1.1
4K Write 2.4
4K Mixed 1
120% 1.5 MB/s
1TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 125 127 127 128 127 126 MB/s
Read 127
Write 128
Mixed 105
SusWrite 127
166% 122 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1
123% 1.5 MB/s
2TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 119 117 116 120 120 MB/s
Read 118
Write 125
Mixed 102
SusWrite 118
158% 116 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1.1
126% 1.53 MB/s
2TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 71 73 73 75 75 76 MB/s
Read 71.3
Write 47.4
Mixed 53.6
SusWrite 73.6
82% 61.5 MB/s
4K Read 0.5
4K Write 1.3
4K Mixed 0.5
63% 0.77 MB/s
5.5TB free, PID 25a3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 26 27 27 27 27 27 MB/s
Read 32.7
Write 25.6
Mixed 26.8
SusWrite 26.9
37% 28 MB/s
4K Read 2.1
4K Write 5.5
4K Mixed 1.1
232% 2.9 MB/s
453 MORE »
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USB Flash Drive Rankings (Price vs Performance) August 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
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $86
Intel Core i5-9400F $143Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
Intel Core i5-9600K $230Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 16GB $24
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