TEST
YOUR USB

WD (ExtHD)

Elements 25A2 750GB

▲ 500 ▼

Release date ≈ Q1 2016.

Average Bench: 31.1% (90th of 639)

Based on 1,458 user benchmarks.  Device: VID 1058 PID 25a2 Model: WD Elements 25A2
Poor: 15%Average: 31.1% Great: 46%

Poor average bench

The WD Elements 25A2 750GB averaged 68.9% 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 28.4MB/s
Avg. 4K-64Thread Mixed IO Speed 7.55MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A2 750GB is 31%. This is a relatively narrow range which indicates that the WD Elements 25A2 750GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.58MB/s
Avg. Sequential Read Speed 69.3MB/s
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Average Bench

(Based on 1,458 samples)
Rank 9031.1%
Min Avg Max
28.4 Read 69.3 108
23.5 Write 68.9 109
21.7 Mixed 44.2 63.3
24.4 SusWrite 68.9 110
84.7% 62.8 MB/s
Min Avg Max
0.4 4K Read 0.58 0.6
1.14 4K Write 1.91 2.2
0.5 4K Mixed 0.82 0.9
95.1% 1.1 MB/s
Min Avg Max
6.2 DQ Read 6.9 7.6
26.1 DQ Write 28.4 30.7
5.5 DQ Mixed 7.55 9.6
1,248% 14.3 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
155GB free, PID 25a2
Operating at USB 3.1 Speed
SusWrite @10s intervals: 70 66 72 70 71 72 MB/s
29.9% Poor
Read 57.6
Write 58.6
Mixed 40.5
SusWrite 70.2
78% 56.7 MB/s
4K Read 0.5
4K Write 2
4K Mixed 0.8
97% 1.1 MB/s
347GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 39 39 40 41 40 MB/s
20.7% Poor
Read 50.5
Write 36.5
Mixed 31.6
SusWrite 39.3
52% 39.5 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.9
84% 1.03 MB/s
543GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 39 39 38 38 37 MB/s
19.8% Very poor
Read 52.5
Write 36.3
Mixed 29.7
SusWrite 38.2
51% 39.2 MB/s
4K Read 0.8
4K Write 1.2
4K Mixed 0.9
74% 0.97 MB/s
318GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 26 27 28 27 MB/s
15.3% Very poor
Read 56.9
Write 24.3
Mixed 23.8
SusWrite 27
40% 33 MB/s
4K Read 1.2
4K Write 0.3
4K Mixed 0.8
42% 0.77 MB/s
12GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 26 27 28 29 28 29 MB/s
15% Very poor
Read 53.5
Write 23
Mixed 20.5
SusWrite 27.9
38% 31.2 MB/s
4K Read 1.1
4K Write 0.3
4K Mixed 0.8
42% 0.73 MB/s
698GB free, PID 25a2
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 24 24 25 25 25 MB/s
14.6% Very poor
Read 55.8
Write 23.1
Mixed 23.2
SusWrite 24.6
38% 31.7 MB/s
4K Read 1.1
4K Write 0.3
4K Mixed 0.7
38% 0.7 MB/s
1,458 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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