TEST
YOUR USB

WD (ExtHD)

My Book 1230 4TB

▲ 503 ▼

Release date ≤ Q1 2014.

Average Bench: 40.9% (40th of 639)

Based on 14,164 user benchmarks.  Device: VID 1058 PID 1230 Model: WD My Book 1230
Poor: 15%Average: 40.9% Great: 60%

Below average average bench

The WD My Book 1230 4TB averaged 59.1% 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 2.1MB/s
Avg. Sequential Write Speed 96.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD My Book 1230 4TB is 45.5%. This is a relatively wide range which indicates that the WD My Book 1230 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.86MB/s
Avg. Sequential Read Speed 96.6MB/s
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Average Bench

(Based on 14,164 samples)
Rank 4040.9%
Min Avg Max
30.9 Read 96.6 150
26.6 Write 96.7 150
24.6 Mixed 66.6 95.3
18.6 SusWrite 92.8 148
119% 88.2 MB/s
Min Avg Max
0.7 4K Read 0.86 1
1.4 4K Write 2.1 2.5
0.7 4K Mixed 0.9 1
105% 1.29 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3.5TB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 149 147 149 140 148 145 MB/s
60.3% Good
Read 141
Write 142
Mixed 84.5
SusWrite 146
173% 129 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1
123% 1.5 MB/s
201GB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 120 121 121 121 122 120 MB/s
51.2% Above average
Read 132
Write 144
Mixed 82.7
SusWrite 121
162% 120 MB/s
4K Read 0.9
4K Write 1.8
4K Mixed 0.9
95% 1.2 MB/s
291GB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 113 119 120 120 118 121 MB/s
50.4% Above average
Read 117
Write 106
Mixed 62.1
SusWrite 119
135% 101 MB/s
4K Read 0.9
4K Write 2.4
4K Mixed 1
119% 1.43 MB/s
53GB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 120 123 93 88 89 104 MB/s
40.6% Average
Read 88.2
Write 94.1
Mixed 70.4
SusWrite 103
122% 88.9 MB/s
4K Read 0.9
4K Write 1.7
4K Mixed 0.8
88% 1.13 MB/s
2TB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 101 102 103 100 100 99 MB/s
39.9% Below average
Read 69.1
Write 99.1
Mixed 62.1
SusWrite 101
117% 82.8 MB/s
4K Read 0.8
4K Write 2.5
4K Mixed 0.9
119% 1.4 MB/s
624GB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 90 91 90 91 91 90 MB/s
38.1% Below average
Read 74
Write 77.4
Mixed 60.9
SusWrite 90.6
104% 75.7 MB/s
4K Read 1
4K Write 2.4
4K Mixed 1
119% 1.47 MB/s
346GB free, PID 1230
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 87 90 89 87 90 MB/s
34.2% Below average
Read 63.5
Write 65.5
Mixed 47.3
SusWrite 88.4
92% 66.2 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 0.8
91% 1.13 MB/s
2.5TB free, PID 1230
Operating at USB 2.1 Speed
SusWrite @10s intervals: 36 37 38 38 38 37 MB/s
20.8% Poor
Read 35.3
Write 34.9
Mixed 30.4
SusWrite 37.3
47% 34.5 MB/s
4K Read 0.9
4K Write 2.4
4K Mixed 0.9
116% 1.4 MB/s
14,164 MORE »
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