Average Bench: 38% (48th of 639)

Based on 25,068 user benchmarks.  Device: VID 1058 PID 25a2 Model: WD Elements 25A2
Poor: 15%Average: 38% Great: 61%

Poor average bench

The WD Elements 25A2 1TB averaged 61.9% 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-64Thread Write Speed 10.3MB/s
Avg. 4K Random Write Speed 3.09MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A2 1TB is 45.9%. This is a relatively wide range which indicates that the WD Elements 25A2 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.4MB/s
Avg. 4K Random Read Speed 0.88MB/s
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Average Bench

(Based on 25,068 samples)
Min Avg Max
27.4 Read 83.1 143
23.3 Write 75.8 115
21.6 Mixed 51.8 83.2
23.2 SusWrite 74.6 114
95.1% 71.3 MB/s
Min Avg Max
0.5 4K Read 0.88 1.8
1.5 4K Write 3.09 6.26
0.3 4K Mixed 0.67 0.9
131% 1.54 MB/s
Min Avg Max
0.4 DQ Read 0.4 0.4
9.6 DQ Write 10.3 11.3
0.6 DQ Mixed 0.6 0.6
372% 3.77 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
176GB free, PID 25a2
Operating at USB 3.0 Speed
SusWrite @10s intervals: 73 73 73 72 73 72 MB/s
Read 106
Write 82.4
Mixed 62
SusWrite 72.4
105% 80.6 MB/s
4K Read 1.1
4K Write 4.4
4K Mixed 0.3
164% 1.93 MB/s
592GB free, PID 25a2
Operating at USB 3.0 Speed
SusWrite @10s intervals: 100 102 103 104 104 103 MB/s
Read 98.3
Write 98
Mixed 58.4
SusWrite 103
120% 89.4 MB/s
4K Read 0.6
4K Write 2.2
4K Mixed 0.9
108% 1.23 MB/s
356GB free, PID 25a2
Operating at USB 3.1 Speed
SusWrite @10s intervals: 63 76 77 75 75 75 MB/s
Read 62.7
Write 65.3
Mixed 50.1
SusWrite 73.5
86% 62.9 MB/s
4K Read 0.8
4K Write 4.3
4K Mixed 0.3
159% 1.8 MB/s
0GB free, PID 25a2
Operating at USB 3.0 Speed
SusWrite @10s intervals: 76 75 76 76 76 74 MB/s
Read 87.4
Write 88.4
Mixed 52.4
SusWrite 75.3
101% 75.9 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.7
98% 1.13 MB/s
12GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 34 35 35 36 36 36 MB/s
Read 37
Write 34.5
Mixed 25.8
SusWrite 35.4
45% 33.2 MB/s
4K Read 1.1
4K Write 4.1
4K Mixed 0.4
157% 1.87 MB/s
39GB free, PID 25a2
Operating at USB 3.0 Speed
SusWrite @10s intervals: 57 62 27 36 41 35 MB/s
Read 80.5
Write 43.4
Mixed 31.7
SusWrite 42.9
61% 49.6 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.8
70% 0.83 MB/s
71GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 34 34 33 34 34 34 MB/s
Read 37.3
Write 34
Mixed 29.5
SusWrite 34
45% 33.7 MB/s
4K Read 0.5
4K Write 2
4K Mixed 0.8
97% 1.1 MB/s
900GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 32 32 30 31 28 30 MB/s
Read 34.4
Write 29.6
Mixed 21
SusWrite 30.6
38% 28.9 MB/s
4K Read 0.5
4K Write 0.4
4K Mixed 0.4
29% 0.43 MB/s
25,068 MORE »
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USB Flash Drive Rankings (Price vs Performance) June 2021 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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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

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CPUGPUSSD
Intel Core i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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