TEST
YOUR USB

WDC (ExtHD)

WD20 EARS-00MVWB0 2TB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 32.6% (73rd of 639)

Based on 10 user benchmarks.  Device: VID 1f75 PID 0621 Model: WDC WD20 EARS-00MVWB0
Poor: 13%Average: 32.6% Great: 48%

Poor average bench

The WDC WD20 EARS-00MVWB0 2TB averaged 67.4% 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 1.71MB/s
Avg. Sustained Write Speed 74.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WDC WD20 EARS-00MVWB0 2TB is 34.9%. This is a relatively narrow range which indicates that the WDC WD20 EARS-00MVWB0 2TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.78MB/s
Avg. Sequential Read Speed 74.4MB/s
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Average Bench

(Based on 10 samples)
Rank 7332.6%
Min Avg Max
26 Read 74.4 119
18.3 Write 73.5 117
14.4 Mixed 46 74
13.6 SusWrite 74.6 119
90.3% 67.1 MB/s
Min Avg Max
0.2 4K Read 0.78 1
0.6 4K Write 1.71 2.2
0.17 4K Mixed 0.62 0.8
82.1% 1.04 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 116 120 120 121 121 119 MB/s
48.4% Average
Read 119
Write 117
Mixed 57.3
SusWrite 119
138% 103 MB/s
4K Read 0.9
4K Write 1.6
4K Mixed 0.6
78% 1.03 MB/s
1.5TB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 107 110 110 110 107 MB/s
47.6% Average
Read 118
Write 99.7
Mixed 58.4
SusWrite 108
126% 95.9 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.8
105% 1.27 MB/s
12GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 70 60 73 73 71 74 MB/s
28.7% Poor
Read 69.9
Write 70.8
Mixed 51.3
SusWrite 70.2
89% 65.6 MB/s
4K Read 0.9
4K Write 1
4K Mixed 0.7
61% 0.87 MB/s
1TB free, PID 0621
Operating at USB 2.1 Speed
SusWrite @10s intervals: 21 21 19 19 19 19 MB/s
13.8% Very poor
Read 26.4
Write 18
Mixed 20.9
SusWrite 19.7
28% 21.2 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.8
91% 1.1 MB/s
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