TEST
YOUR USB

WDC (ExtHD)

WD40 EZRZ-00GXCB0 4TB

▲ 500 ▼

Release date ≈ Q3 2017.

Average Bench: 42.4% (36th of 639)

Based on 50 user benchmarks.  Device: VID 067b PID 2773 Model: WDC WD40 EZRZ-00GXCB0
Poor: 16%Average: 42.4% Great: 67%

Below average average bench

The WDC WD40 EZRZ-00GXCB0 4TB averaged 57.5% 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 2.27MB/s
Avg. Sequential Write Speed 107MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WDC WD40 EZRZ-00GXCB0 4TB is 51.1%. This is a relatively wide range which indicates that the WDC WD40 EZRZ-00GXCB0 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.93MB/s
Avg. Sequential Read Speed 107MB/s
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Average Bench

(Based on 50 samples)
Rank 3642.4%
Min Avg Max
28.3 Read 107 170
22.2 Write 107 171
21.9 Mixed 70.1 119
17 SusWrite 89.5 173
125% 93.4 MB/s
Min Avg Max
0.21 4K Read 0.93 1.1
0.4 4K Write 2.27 2.8
0.23 4K Mixed 0.86 1.1
110% 1.35 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3.5TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 173 173 174 173 173 172 MB/s
70.3% Very good
Read 166
Write 164
Mixed 91.7
SusWrite 173
200% 149 MB/s
4K Read 1
4K Write 2.7
4K Mixed 1
130% 1.57 MB/s
3TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 165 158 163 166 165 167 MB/s
67.2% Good
Read 156
Write 164
Mixed 96.3
SusWrite 164
197% 145 MB/s
4K Read 1.1
4K Write 2.8
4K Mixed 1.1
137% 1.67 MB/s
3TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 158 157 157 163 167 167 MB/s
67.1% Good
Read 159
Write 159
Mixed 90
SusWrite 162
192% 143 MB/s
4K Read 1
4K Write 2.8
4K Mixed 1.1
136% 1.63 MB/s
983GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 115 110 113 111 109 111 MB/s
49% Average
Read 116
Write 121
Mixed 88.5
SusWrite 112
148% 109 MB/s
4K Read 1.1
4K Write 2.5
4K Mixed 1
123% 1.53 MB/s
478GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 62 92 96 124 124 123 MB/s
48% Average
Read 166
Write 150
Mixed 42.9
SusWrite 104
147% 116 MB/s
4K Read 0.9
4K Write 0.4
4K Mixed 0.5
34% 0.6 MB/s
956GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 79 78 78 79 77 77 MB/s
41% Average
Read 110
Write 110
Mixed 85.7
SusWrite 78.1
128% 96 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1.1
126% 1.53 MB/s
956GB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 79 78 78 78 79 79 MB/s
40.9% Average
Read 109
Write 111
Mixed 87
SusWrite 78.4
129% 96.3 MB/s
4K Read 1.1
4K Write 2.5
4K Mixed 1.1
126% 1.57 MB/s
1.5TB free, PID 2773
Operating at USB 3.0 Speed
SusWrite @10s intervals: 63 65 66 67 66 66 MB/s
35.6% Below average
Read 112
Write 104
Mixed 67.4
SusWrite 65.5
114% 87.3 MB/s
4K Read 0.8
4K Write 1.6
4K Mixed 0.9
88% 1.1 MB/s
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