Average Bench: 33.7% (65th of 639)

Based on 5,821 user benchmarks.  Device: VID 1058 PID 25a1 Model: WD Elements 25A1
Poor: 14%Average: 33.7% Great: 58%

Poor average bench

The WD Elements 25A1 2TB averaged 66.3% 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 10.4MB/s
Avg. 4K Random Write Speed 2.29MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A1 2TB is 44.8%. This is a relatively wide range which indicates that the WD Elements 25A1 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.4MB/s
Avg. 4K Random Read Speed 0.66MB/s
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Average Bench

(Based on 5,821 samples)
Min Avg Max
26.1 Read 77.5 143
23.7 Write 73.3 116
20.7 Mixed 46.3 76
22.4 SusWrite 70 111
89.1% 66.8 MB/s
Min Avg Max
0.4 4K Read 0.66 1.4
0.8 4K Write 2.29 4.5
0.3 4K Mixed 0.69 0.9
104% 1.21 MB/s
Min Avg Max
0.4 DQ Read 0.4 0.4
10.1 DQ Write 10.4 10.6
0.5 DQ Mixed 0.57 0.6
374% 3.79 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
329GB free, PID 25a1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 114 110 112 112 111 111 MB/s
Read 123
Write 109
Mixed 63.3
SusWrite 112
135% 102 MB/s
4K Read 0.8
4K Write 4.4
4K Mixed 0.3
163% 1.83 MB/s
836GB free, PID 25a1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 88 89 89 89 86 MB/s
Read 89.6
Write 90.8
Mixed 47.5
SusWrite 87.9
106% 78.9 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 0.8
94% 1.07 MB/s
49GB free, PID 25a1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 73 74 74 73 73 73 MB/s
Read 62.2
Write 64.1
Mixed 41.3
SusWrite 73.4
82% 60.2 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.7
84% 0.97 MB/s
436GB free, PID 25a1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 72 71 67 65 63 45 MB/s
Read 67.5
Write 67.7
Mixed 43.7
SusWrite 63.9
82% 60.7 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 0.9
97% 1.1 MB/s
2TB free, PID 25a1
Operating at USB 2.1 Speed
SusWrite @10s intervals: 36 37 37 38 38 37 MB/s
Read 35.5
Write 37.4
Mixed 30.8
SusWrite 37.3
48% 35.2 MB/s
4K Read 0.9
4K Write 4.9
4K Mixed 0.8
197% 2.2 MB/s
60GB free, PID 25a1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 54 53 54 54 54 54 MB/s
Read 55.5
Write 57.4
Mixed 38.8
SusWrite 53.9
70% 51.4 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.8
90% 1.03 MB/s
945GB free, PID 25a1
Operating at USB 2.1 Speed
SusWrite @10s intervals: 35 35 35 36 36 36 MB/s
Read 36.5
Write 31.9
Mixed 28.5
SusWrite 35.5
45% 33.1 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.8
87% 1 MB/s
792GB free, PID 25a1
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 31 31 29 30 31 MB/s
Read 29.3
Write 26.8
Mixed 25.2
SusWrite 30.4
38% 27.9 MB/s
4K Read 0.4
4K Write 1.5
4K Mixed 0.7
76% 0.87 MB/s
5,821 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.

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Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
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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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