TEST
YOUR USB

WD (ExtHD)

15EARS External 1.5TB

▲ 500 ▼

Release date ≤ Q1 2014.

Average Bench: 17.7% (257th of 639)

Based on 277 user benchmarks.  Device: VID 1058 PID 1003 Model: WD 15EARS External
Poor: 12%Average: 17.7% Great: 21%

Terrible average bench

The WD 15EARS External 1.5TB averaged 82.3% 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 1.68MB/s
Avg. Sustained Write Speed 33.8MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the WD 15EARS External 1.5TB is just 9.18%. This is an extremely narrow range which indicates that the WD 15EARS External 1.5TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.68MB/s
Avg. Sequential Read Speed 34.9MB/s
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Average Bench

(Based on 277 samples)
Rank 25717.7%
Min Avg Max
26.1 Read 34.9 40.5
23 Write 32.2 39.5
12.9 Mixed 25.7 33.3
13.1 SusWrite 33.8 41.4
42.6% 31.6 MB/s
Min Avg Max
0.39 4K Read 0.68 0.8
0.2 4K Write 1.68 2.01
0.13 4K Mixed 0.47 0.7
75.6% 0.94 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
69GB free, PID 1003
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 39 39 40 40 39 MB/s
20.7% Poor
Read 53
Write 35
Mixed 30
SusWrite 39.2
51% 39.3 MB/s
4K Read 1.8
4K Write 1.3
4K Mixed 0.5
68% 1.2 MB/s
466GB free, PID 1003
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 38 38 38 38 37 MB/s
20.1% Poor
Read 52.1
Write 36.1
Mixed 28.8
SusWrite 37.7
50% 38.7 MB/s
4K Read 1.2
4K Write 1.3
4K Mixed 0.6
69% 1.03 MB/s
1TB free, PID 1003
Operating at USB 2.0 Speed
SusWrite @10s intervals: 36 37 38 38 38 38 MB/s
19.9% Very poor
Read 55.1
Write 33.2
Mixed 30
SusWrite 37.4
50% 38.9 MB/s
4K Read 1.4
4K Write 1.1
4K Mixed 0.7
66% 1.07 MB/s
280GB free, PID 1003
Operating at USB 2.0 Speed
SusWrite @10s intervals: 35 34 35 35 35 36 MB/s
19.4% Very poor
Read 51.2
Write 36.8
Mixed 28.8
SusWrite 34.8
49% 37.9 MB/s
4K Read 1.6
4K Write 1.3
4K Mixed 0.6
71% 1.17 MB/s
359GB free, PID 1003
Operating at USB 2.0 Speed
SusWrite @10s intervals: 36 34 36 35 37 37 MB/s
18.9% Very poor
Read 50.6
Write 35.9
Mixed 29.4
SusWrite 35.8
49% 37.9 MB/s
4K Read 1.4
4K Write 1.1
4K Mixed 0.4
56% 0.97 MB/s
117GB free, PID 1003
Operating at USB 2.0 Speed
SusWrite @10s intervals: 25 26 26 26 25 26 MB/s
15.3% Very poor
Read 53.7
Write 25.1
Mixed 25.7
SusWrite 25.6
40% 32.5 MB/s
4K Read 2.9
4K Write 0.4
4K Mixed 0.7
48% 1.33 MB/s
277 MORE »
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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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