TEST
YOUR USB

WDC (ExtHD)

WD50 00AZRX-00A8LB0 500GB

▲ 500 ▼

Release date ≈ Q2 2016.

Average Bench: 41.4% (37th of 639)

Based on 5 user benchmarks.  Device: VID 174c PID 55aa Model: WDC WD50 00AZRX-00A8LB0
Poor: 17%Average: 41.4% Great: 52%

Below average average bench

The WDC WD50 00AZRX-00A8LB0 500GB averaged 58.5% 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 2.55MB/s
Avg. Sequential Write Speed 92.2MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K Random Read Speed 1.21MB/s
Avg. Sequential Read Speed 93.3MB/s
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Average Bench

(Based on 5 samples)
Rank 3741.4%
Min Avg Max
32.8 Read 93.3 120
33.8 Write 92.2 118
27.3 Mixed 65.3 82
31.2 SusWrite 83.8 106
112% 83.6 MB/s
Min Avg Max
0.97 4K Read 1.21 1.9
1.5 4K Write 2.55 2.95
0.22 4K Mixed 0.72 0.9
116% 1.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
454GB free, PID 55aa
Operating at USB 3.0 Speed
52.3% Above average
Read 120
Write 118
Mixed 78.8
132% 105 MB/s
4K Read 0.97
4K Write 2.95
4K Mixed 0.22
111% 1.38 MB/s
268GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 101 105 107 108 108 108 MB/s
48% Average
Read 112
Write 108
Mixed 82
SusWrite 106
138% 102 MB/s
4K Read 1.1
4K Write 2.7
4K Mixed 0.9
126% 1.57 MB/s
230GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 94 99 100 100 100 100 MB/s
45.5% Average
Read 104
Write 103
Mixed 69.4
SusWrite 99
126% 93.8 MB/s
4K Read 1.1
4K Write 2.8
4K Mixed 0.8
126% 1.57 MB/s
225GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 94 99 101 100 100 100 MB/s
44.6% Average
Read 97.6
Write 98.5
Mixed 68.8
SusWrite 99
123% 91 MB/s
4K Read 1
4K Write 2.8
4K Mixed 0.8
126% 1.53 MB/s
216GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 32 31 31 31 31 MB/s
16.6% Very poor
Read 32.8
Write 33.8
Mixed 27.3
SusWrite 31.2
42% 31.3 MB/s
4K Read 1.9
4K Write 1.5
4K Mixed 0.9
89% 1.43 MB/s
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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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