TEST
YOUR USB

WDC (ExtHD)

WD10 03FZEX-00K3CA0 1TB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 56.8% (18th of 639)

Based on 14 user benchmarks.  Device: VID 174c PID 55aa Model: WDC WD10 03FZEX-00K3CA0
Poor: 15%Average: 56.8% Great: 71%

Average average bench

The WDC WD10 03FZEX-00K3CA0 1TB averaged 43.1% 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 2.42MB/s
Avg. Sequential Write Speed 133MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WDC WD10 03FZEX-00K3CA0 1TB is 56.1%. This is a relatively wide range which indicates that the WDC WD10 03FZEX-00K3CA0 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 1.26MB/s
Avg. Sequential Read Speed 137MB/s
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Average Bench

(Based on 14 samples)
Rank 1856.8%
Min Avg Max
37.4 Read 137 172
32 Write 133 177
20 Mixed 72.3 137
4.3 SusWrite 131 177
158% 118 MB/s
Min Avg Max
1.1 4K Read 1.26 1.4
1 4K Write 2.42 2.9
0.35 4K Mixed 1.05 1.2
123% 1.57 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
931GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 170 177 179 176 177 177 MB/s
71.6% Very good
Read 171
Write 150
Mixed 85.1
SusWrite 176
194% 146 MB/s
4K Read 1.3
4K Write 2.6
4K Mixed 1.1
131% 1.67 MB/s
727GB free, PID 55aa
SusWrite @10s intervals: 171 174 174 172 175 169 MB/s
71% Very good
Read 173
Write 168
Mixed 76
SusWrite 172
196% 147 MB/s
4K Read 1.2
4K Write 2.6
4K Mixed 1.2
134% 1.67 MB/s
720GB free, PID 55aa
SusWrite @10s intervals: 170 173 171 170 171 173 MB/s
69.6% Good
Read 170
Write 159
Mixed 71.6
SusWrite 171
190% 143 MB/s
4K Read 1.2
4K Write 2.4
4K Mixed 1.2
127% 1.6 MB/s
912GB free, PID 55aa
SusWrite @10s intervals: 165 167 167 165 165 164 MB/s
68.6% Good
Read 170
Write 158
Mixed 70
SusWrite 166
186% 141 MB/s
4K Read 1.2
4K Write 2.5
4K Mixed 1.1
127% 1.6 MB/s
931GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 164 164 165 165 164 165 MB/s
68.3% Good
Read 166
Write 170
Mixed 102
SusWrite 164
203% 151 MB/s
4K Read 1.3
4K Write 2.6
4K Mixed 1.1
131% 1.67 MB/s
931GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 39 39 39 39 38 MB/s
22.1% Poor
Read 37.4
Write 37.5
Mixed 30.6
SusWrite 38.5
49% 36 MB/s
4K Read 1.1
4K Write 2.6
4K Mixed 1.1
130% 1.6 MB/s
14 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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