TEST
YOUR USB

WD (ExtHD)

Elements 25A3 6TB

▲ 501 ▼

Release date ≈ Q4 2017.

Average Bench: 76.7% (6th of 639)

Based on 4,829 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 28%Average: 76.7% Great: 107%

Good average bench

The WD Elements 25A3 6TB averaged 23.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Elements 25A3 6TB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 10.5MB/s
Avg. 4K Random Write Speed 9.2MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 6TB is 78.7%. This is a particularly wide range which indicates that the WD Elements 25A3 6TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.56MB/s
Avg. 4K-64Thread Mixed IO Speed 0.86MB/s
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Average Bench

(Based on 4,829 samples)
Rank 676.7%
Min Avg Max
32.7 Read 136 196
27.9 Write 124 176
26.6 Mixed 87.1 124
22.5 SusWrite 121 177
156% 117 MB/s
Min Avg Max
0.9 4K Read 9.73 22.1
2.5 4K Write 9.2 12.3
0.6 4K Mixed 0.96 1.2
381% 6.63 MB/s
Min Avg Max
0.4 DQ Read 0.56 0.7
8.5 DQ Write 10.5 12.1
0.5 DQ Mixed 0.86 1.2
389% 3.98 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
5.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 188 188 188 188 187 188 MB/s
111% Outstanding
Read 199
Write 176
Mixed 124
SusWrite 188
229% 172 MB/s
4K Read 20.7
4K Write 11.8
4K Mixed 1.1
516% 11.2 MB/s
DQ Read 0.6
DQ Write 10.9
DQ Mixed 0.5
390% 4 MB/s
4TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 157 160 161 161 160 160 MB/s
96.9% Outstanding
Read 170
Write 158
Mixed 109
SusWrite 160
200% 149 MB/s
4K Read 16.3
4K Write 10.9
4K Mixed 1.1
469% 9.43 MB/s
DQ Read 0.6
DQ Write 12.4
DQ Mixed 0.9
455% 4.63 MB/s
4TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 167 164 167 164 167 165 MB/s
91.4% Outstanding
Read 177
Write 172
Mixed 103
SusWrite 166
206% 154 MB/s
4K Read 2.8
4K Write 9.4
4K Mixed 0.7
354% 4.3 MB/s
DQ Read 0.4
DQ Write 8.8
DQ Mixed 0.6
321% 3.27 MB/s
1.5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 110 109 109 109 107 108 MB/s
77.5% Very good
Read 141
Write 133
Mixed 84.2
SusWrite 109
155% 117 MB/s
4K Read 2.8
4K Write 10.6
4K Mixed 1
405% 4.8 MB/s
DQ Read 0.6
DQ Write 11.3
DQ Mixed 1.2
427% 4.37 MB/s
3.5TB free, PID 25a3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 41 41 41 41 41 41 MB/s
43.7% Average
Read 39.2
Write 40.2
Mixed 35.3
SusWrite 41
53% 38.9 MB/s
4K Read 13.8
4K Write 8.4
4K Mixed 1.2
378% 7.8 MB/s
DQ Read 0.7
DQ Write 12.3
DQ Mixed 1.2
462% 4.73 MB/s
5TB free, PID 25a3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 40 40 39 38 38 MB/s
32.9% Below average
Read 51.9
Write 34.5
Mixed 32
SusWrite 38.7
51% 39.3 MB/s
4K Read 2.7
4K Write 5.3
4K Mixed 0.8
218% 2.93 MB/s
4,829 MORE »
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