TEST
YOUR USB

WD (ExtHD)

Passport X 25B1 2TB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 45.7% (27th of 639)

Based on 121 user benchmarks.  Device: VID 1058 PID 25b1 Model: WD Passport X 25B1
Poor: 20%Average: 45.7% Great: 66%

Below average average bench

The WD Passport X 25B1 2TB averaged 54.3% 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 Random Write Speed 4.16MB/s
Avg. Sequential Write Speed 88.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Passport X 25B1 2TB is 45.8%. This is a relatively wide range which indicates that the WD Passport X 25B1 2TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 1.14MB/s
Avg. 4K Random Mixed IO Speed 0.49MB/s
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Average Bench

(Based on 121 samples)
Rank 2745.7%
Min Avg Max
30.2 Read 103 167
28.4 Write 88.7 124
24.3 Mixed 60.3 86.3
24.3 SusWrite 81 120
110% 83.4 MB/s
Min Avg Max
0.5 4K Read 1.14 1.89
1.26 4K Write 4.16 6.3
0.3 4K Mixed 0.49 0.9
162% 1.93 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 25b1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 109 111 112 110 111 111 MB/s
65.1% Good
Read 170
Write 115
Mixed 78.2
SusWrite 111
150% 118 MB/s
4K Read 1.4
4K Write 5.2
4K Mixed 0.8
209% 2.47 MB/s
1TB free, PID 25b1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 84 82 80 82 82 83 MB/s
48.8% Average
Read 113
Write 84.1
Mixed 69.3
SusWrite 82.1
113% 87.2 MB/s
4K Read 1.3
4K Write 4.6
4K Mixed 0.3
172% 2.07 MB/s
821GB free, PID 25b1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 96 96 96 96 96 95 MB/s
45.4% Average
Read 84.4
Write 98.3
Mixed 68.9
SusWrite 95.9
120% 86.9 MB/s
4K Read 1
4K Write 3.9
4K Mixed 0.6
157% 1.83 MB/s
176GB free, PID 25b1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 73 79 81 81 74 65 MB/s
45.3% Average
Read 116
Write 97
Mixed 77.5
SusWrite 75.4
120% 91.5 MB/s
4K Read 1.4
4K Write 3.8
4K Mixed 0.7
158% 1.97 MB/s
176GB free, PID 25b1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 78 81 78 81 71 66 MB/s
42.1% Average
Read 96
Write 103
Mixed 62.1
SusWrite 75.8
113% 84.3 MB/s
4K Read 1
4K Write 3.7
4K Mixed 0.8
157% 1.83 MB/s
725GB free, PID 25b1
Operating at USB 3.1 Speed
SusWrite @10s intervals: 88 88 91 86 89 88 MB/s
24.5% Poor
Read 4.2
Write 16.1
Mixed 9.5
SusWrite 88.1
46% 29.5 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.8
80% 0.93 MB/s
121 MORE »
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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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