Average Bench: 47.3% (23rd of 639)

Based on 363 user benchmarks.  Device: VID 1058 PID 25ff Model: WD Elements SE 25FF
Poor: 17%Average: 47.3% Great: 65%

Below average average bench

The WD Elements SE 25FF 4TB averaged 52.6% 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 10.3MB/s
Avg. 4K Random Write Speed 5.15MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements SE 25FF 4TB is 48.3%. 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 0.37MB/s
Avg. 4K Random Read Speed 1.02MB/s
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Average Bench

(Based on 363 samples)
Min Avg Max
29.2 Read 89.4 123
24.6 Write 82.8 107
23.6 Mixed 60.3 77.7
25.9 SusWrite 84 110
106% 79.1 MB/s
Min Avg Max
0.5 4K Read 1.02 1.5
0.9 4K Write 5.15 8.4
0.2 4K Mixed 0.7 0.9
203% 2.29 MB/s
Min Avg Max
0.3 DQ Read 0.37 0.4
8.54 DQ Write 10.3 11.1
0.4 DQ Mixed 0.55 0.64
370% 3.74 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 102 102 102 103 104 103 MB/s
Read 122
Write 106
Mixed 70.5
SusWrite 103
132% 100 MB/s
4K Read 1
4K Write 8.4
4K Mixed 0.9
320% 3.43 MB/s
DQ Read 0.4
DQ Write 10.5
DQ Mixed 0.5
376% 3.8 MB/s
245GB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 108 99 101 107 109 106 MB/s
Read 111
Write 96.2
Mixed 62.3
SusWrite 105
124% 93.5 MB/s
4K Read 0.7
4K Write 8.1
4K Mixed 0.6
298% 3.13 MB/s
DQ Read 0.3
DQ Write 10.1
DQ Mixed 0.5
362% 3.63 MB/s
3.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 105 102 106 104 106 104 MB/s
Read 122
Write 106
Mixed 81
SusWrite 105
138% 103 MB/s
4K Read 1.4
4K Write 3.9
4K Mixed 0.7
162% 2 MB/s
2.5TB free, PID 25ff
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 96 96 96 96 94 MB/s
Read 105
Write 106
Mixed 56.7
SusWrite 95.6
121% 90.7 MB/s
4K Read 0.5
4K Write 4.3
4K Mixed 0.6
168% 1.8 MB/s
1.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 82 81 81 77 79 81 MB/s
Read 78
Write 82
Mixed 63.7
SusWrite 80.1
104% 75.9 MB/s
4K Read 1
4K Write 4.3
4K Mixed 0.9
181% 2.07 MB/s
1.5TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 86 86 86 72 62 67 MB/s
Read 91.2
Write 73.7
Mixed 61.8
SusWrite 76.5
100% 75.8 MB/s
4K Read 0.7
4K Write 0.7
4K Mixed 0.2
33% 0.53 MB/s
1TB free, PID 25ff
Operating at USB 3.0 Speed
SusWrite @10s intervals: 77 77 77 76 76 76 MB/s
Read 81.5
Write 65.3
Mixed 52.3
SusWrite 76.6
92% 68.9 MB/s
4K Read 1.1
4K Write 1.1
4K Mixed 0.2
48% 0.8 MB/s
363 MORE »
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USB Flash Drive Rankings (Price vs Performance) October 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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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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 Frequently Asked Questions

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CPUGPUSSD
Intel Core i5-9400F $140Nvidia GTX 1660 $210Samsung 850 Evo 250GB $55
Intel Core i5-9600K $238Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $288Nvidia RTX 2060S (Super) $430Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $603SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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