Average Bench: 47.9% (23rd of 639)

Based on 319 user benchmarks.  Device: VID 1058 PID 25ff Model: WD Elements SE 25FF
Poor: 19%Average: 47.9% Great: 66%

Below average average bench

The WD Elements SE 25FF 4TB averaged 52.1% 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 9.46MB/s
Avg. 4K Random Write Speed 5.23MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements SE 25FF 4TB is 46.9%. This is a relatively wide range which indicates that the WD Elements SE 25FF 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.48MB/s
Avg. 4K Random Read Speed 1.04MB/s
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Average Bench

(Based on 319 samples)
Min Avg Max
30.3 Read 90.6 124
27 Write 83.6 107
24.3 Mixed 60.3 78.3
26.4 SusWrite 84.7 110
107% 79.8 MB/s
Min Avg Max
0.5 4K Read 1.04 1.5
0.9 4K Write 5.23 8.6
0.2 4K Mixed 0.68 0.9
205% 2.31 MB/s
Min Avg Max
0.3 DQ Read 0.48 1.26
2.75 DQ Write 9.46 11.2
0.34 DQ Mixed 0.53 0.7
341% 3.49 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 98 99 98 99 99 98 MB/s
Read 117
Write 104
Mixed 55.8
SusWrite 98.2
123% 93.8 MB/s
4K Read 1.1
4K Write 8.8
4K Mixed 0.4
317% 3.43 MB/s
DQ Read 0.3
DQ Write 10.3
DQ Mixed 0.4
365% 3.67 MB/s
2TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 103 99 103 101 103 101 MB/s
Read 94.5
Write 88.3
Mixed 54.5
SusWrite 102
114% 84.7 MB/s
4K Read 1.2
4K Write 6.6
4K Mixed 0.6
249% 2.8 MB/s
2.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 87 89 89 89 88 87 MB/s
Read 103
Write 83.2
Mixed 66
SusWrite 88
112% 85.1 MB/s
4K Read 1.2
4K Write 6.4
4K Mixed 0.7
246% 2.77 MB/s
1TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 65 62 64 65 66 69 MB/s
Read 125
Write 106
Mixed 72.3
SusWrite 65.3
118% 92.1 MB/s
4K Read 0.9
4K Write 6.2
4K Mixed 0.9
245% 2.67 MB/s
3TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 103 100 102 103 103 110 MB/s
Read 90.8
Write 109
Mixed 73.7
SusWrite 103
130% 94.2 MB/s
4K Read 0.8
4K Write 3.7
4K Mixed 0.6
149% 1.7 MB/s
319 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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