TEST
YOUR USB

WD (ExtHD)

Elements SE 25FF 2TB

▲ 500 ▼

Release date ≈ Q3 2018.

Average Bench: 41.8% (36th of 639)

Based on 266 user benchmarks.  Device: VID 1058 PID 25ff Model: WD Elements SE 25FF
Poor: 15%Average: 41.8% Great: 68%

Below average average bench

The WD Elements SE 25FF 2TB averaged 58.2% 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 3.65MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WD Elements SE 25FF 2TB is 53.5%. This is a relatively wide range which indicates that the WD Elements SE 25FF 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.38MB/s
Avg. 4K Random Read Speed 1.02MB/s
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Average Bench

(Based on 266 samples)
Rank 3641.8%
Min Avg Max
20.2 Read 92 162
23.4 Write 81.7 122
18.4 Mixed 54.1 83.5
21.5 SusWrite 78 117
101% 76.5 MB/s
Min Avg Max
0.4 4K Read 1.02 1.87
0.8 4K Write 3.65 6.8
0.3 4K Mixed 0.58 0.9
148% 1.75 MB/s
Min Avg Max
0.3 DQ Read 0.38 0.4
9.8 DQ Write 10.4 10.9
0.5 DQ Mixed 0.5 0.5
372% 3.76 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 121 119 119 119 120 119 MB/s
75.3% Very good
Read 158
Write 122
Mixed 81.8
SusWrite 120
156% 120 MB/s
4K Read 1.1
4K Write 8.5
4K Mixed 0.7
317% 3.43 MB/s
DQ Read 0.4
DQ Write 10.2
DQ Mixed 0.6
369% 3.73 MB/s
1TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 105 107 106 108 108 108 MB/s
54.5% Above average
Read 138
Write 118
Mixed 62.2
SusWrite 107
138% 106 MB/s
4K Read 0.9
4K Write 3.6
4K Mixed 0.7
150% 1.73 MB/s
39GB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 90 93 96 96 98 93 MB/s
50.6% Above average
Read 107
Write 91.7
Mixed 66
SusWrite 94.2
119% 89.8 MB/s
4K Read 1.4
4K Write 4.6
4K Mixed 0.3
172% 2.1 MB/s
851GB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 93 93 93 93 93 91 MB/s
49.3% Average
Read 110
Write 88.3
Mixed 60.6
SusWrite 92.5
115% 87.8 MB/s
4K Read 1.1
4K Write 4.2
4K Mixed 0.4
160% 1.9 MB/s
1TB free, PID 25ff
Operating at USB 3.1 Speed
SusWrite @10s intervals: 100 99 99 98 99 99 MB/s
46.5% Average
Read 85.3
Write 95.2
Mixed 67.7
SusWrite 99.1
120% 86.8 MB/s
4K Read 1.1
4K Write 4
4K Mixed 0.8
167% 1.97 MB/s
176GB free, PID 25ff
Operating at USB 2.1 Speed
SusWrite @10s intervals: 33 33 34 33 33 33 MB/s
17.4% Very poor
Read 51
Write 31.2
Mixed 23.2
SusWrite 33.3
44% 34.7 MB/s
4K Read 2.5
4K Write 0.7
4K Mixed 0.9
64% 1.37 MB/s
266 MORE »
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