TEST
YOUR USB

WD (ExtHD)

My Book 1140 1.5TB

▲ 500 ▼

Release date ≤ Q2 2014.

Average Bench: 27.4% (127th of 639)

Based on 350 user benchmarks.  Device: VID 1058 PID 1140 Model: WD My Book 1140
Poor: 13%Average: 27.4% Great: 45%

Very poor average bench

The WD My Book 1140 1.5TB averaged 72.6% 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 1.72MB/s
Avg. Sequential Write Speed 59.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD My Book 1140 1.5TB is 32.4%. This is a relatively narrow range which indicates that the WD My Book 1140 1.5TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.7MB/s
Avg. Sequential Read Speed 61.9MB/s
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Average Bench

(Based on 350 samples)
Rank 12727.4%
Min Avg Max
27.4 Read 61.9 111
22.1 Write 59.6 109
14.8 Mixed 45.7 81.1
19.4 SusWrite 58.7 107
76.2% 56.4 MB/s
Min Avg Max
0.37 4K Read 0.7 1
0.9 4K Write 1.72 2.4
0.13 4K Mixed 0.5 0.8
77.9% 0.97 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 1140
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 89 88 88 88 86 MB/s
38.6% Below average
Read 89.2
Write 81.2
Mixed 63.5
SusWrite 87.6
108% 80.4 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.6
94% 1.1 MB/s
1.5TB free, PID 1140
Operating at USB 3.0 Speed
SusWrite @10s intervals: 85 82 75 81 85 83 MB/s
36.3% Below average
Read 88.1
Write 90.2
Mixed 55.9
SusWrite 81.8
106% 79 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.5
80% 0.97 MB/s
1.5TB free, PID 1140
Operating at USB 2.1 Speed
SusWrite @10s intervals: 82 82 82 82 83 84 MB/s
36.2% Below average
Read 79.3
Write 78.8
Mixed 62.1
SusWrite 82.6
103% 75.7 MB/s
4K Read 0.9
4K Write 2.1
4K Mixed 0.8
102% 1.27 MB/s
340GB free, PID 1140
Operating at USB 3.0 Speed
SusWrite @10s intervals: 76 74 74 77 78 78 MB/s
32.4% Below average
Read 71.1
Write 72.9
Mixed 61.7
SusWrite 76.1
96% 70.4 MB/s
4K Read 1
4K Write 1.7
4K Mixed 0.8
89% 1.17 MB/s
790GB free, PID 1140
Operating at USB 3.0 Speed
SusWrite @10s intervals: 69 69 68 68 68 69 MB/s
29.6% Poor
Read 66.2
Write 67
Mixed 59.7
SusWrite 68.5
90% 65.3 MB/s
4K Read 0.8
4K Write 1.6
4K Mixed 0.7
81% 1.03 MB/s
1TB free, PID 1140
Operating at USB 3.0 Speed
SusWrite @10s intervals: 70 71 69 73 70 72 MB/s
27% Poor
Read 69.9
Write 73.3
Mixed 34.6
SusWrite 70.8
83% 62.2 MB/s
4K Read 0.7
4K Write 0.4
4K Mixed 0.4
30% 0.5 MB/s
623GB free, PID 1140
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 33 33 33 33 33 MB/s
17.9% Very poor
Read 54.3
Write 24.1
Mixed 25.7
SusWrite 32.8
42% 34.2 MB/s
4K Read 3.1
4K Write 0.7
4K Mixed 0.6
56% 1.47 MB/s
350 MORE »
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