Average Bench: 47.5% (23rd of 639)

Based on 237 user benchmarks.  Device: VID 1058 PID 25ff Model: WD Elements SE 25FF
Poor: 20%Average: 47.5% Great: 66%

Below average average bench

The WD Elements SE 25FF 4TB averaged 52.4% 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-64Thread Write Speed 9.22MB/s
Avg. 4K Random Write Speed 5.16MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements SE 25FF 4TB is 46.3%. 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 0.5MB/s
Avg. 4K Random Read Speed 1.04MB/s
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Average Bench

(Based on 237 samples)
Min Avg Max
29.9 Read 90 123
26.8 Write 82.9 106
24.2 Mixed 59.9 78.3
25.2 SusWrite 84.4 110
106% 79.3 MB/s
Min Avg Max
0.5 4K Read 1.04 1.5
0.89 4K Write 5.16 8.61
0.2 4K Mixed 0.67 0.9
202% 2.29 MB/s
Min Avg Max
0.3 DQ Read 0.5 1.3
2.72 DQ Write 9.22 11.2
0.33 DQ Mixed 0.53 0.7
333% 3.42 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 104 104 106 103 106 105 MB/s
Read 105
Write 106
Mixed 63.8
SusWrite 105
128% 94.7 MB/s
4K Read 0.9
4K Write 8.2
4K Mixed 0.6
303% 3.23 MB/s
DQ Read 0.4
DQ Write 10.4
DQ Mixed 0.6
376% 3.8 MB/s
3TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 100 100 100 100 100 99 MB/s
Read 112
Write 96
Mixed 72.5
SusWrite 99.6
126% 95 MB/s
4K Read 1
4K Write 8
4K Mixed 0.8
303% 3.27 MB/s
2TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 91 88 87 84 92 82 MB/s
Read 113
Write 105
Mixed 70.5
SusWrite 87.3
124% 93.8 MB/s
4K Read 1
4K Write 4.8
4K Mixed 0.6
187% 2.13 MB/s
1.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 86 85 85 85 85 85 MB/s
Read 107
Write 93.2
Mixed 71
SusWrite 85.1
118% 89 MB/s
4K Read 1
4K Write 4.1
4K Mixed 0.7
167% 1.93 MB/s
1.5TB free, PID 25ff
SusWrite @10s intervals: 71 77 81 81 79 80 MB/s
Read 68
Write 75.3
Mixed 46.2
SusWrite 78.1
92% 66.9 MB/s
4K Read 0.7
4K Write 5.8
4K Mixed 0.7
224% 2.4 MB/s
1.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 60 72 72 73 71 72 MB/s
Read 52.2
Write 48.2
Mixed 41
SusWrite 70
73% 52.8 MB/s
4K Read 0.8
4K Write 2
4K Mixed 0.7
95% 1.17 MB/s
2.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 88 91 87 89 83 70 MB/s
Read 21
Write 27
Mixed 33.2
SusWrite 84.6
62% 41.4 MB/s
4K Read 0.1
4K Write 0.4
4K Mixed 0.6
34% 0.37 MB/s
2TB free, PID 25ff
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 27 27 27 27 MB/s
Read 31.3
Write 25.8
Mixed 24.5
SusWrite 26.9
36% 27.1 MB/s
4K Read 1.4
4K Write 3.4
4K Mixed 1
155% 1.93 MB/s
237 MORE »
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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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CPUGPUSSD
Intel Core i7-8700K $355Nvidia GTX 1070 $335Samsung 850 Evo 250GB $84
AMD Ryzen 5 2600 $140Nvidia GTX 1060-6GB $213Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $274Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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