TEST
YOUR USB

WDC (ExtHD)

WD30 EZRX-00MMMB0 3TB

▲ 500 ▼

Release date ≈ Q4 2014.

Average Bench: 27.1% (131st of 639)

Based on 48 user benchmarks.  Device: VID 152d PID 0551 Model: WDC WD30 EZRX-00MMMB0
Poor: 11%Average: 27.1% Great: 40%

Very poor average bench

The WDC WD30 EZRX-00MMMB0 3TB averaged 72.9% 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 1.76MB/s
Avg. Sequential Write Speed 67.2MB/s

Good consistency

The range of scores (95th - 5th percentile) for the WDC WD30 EZRX-00MMMB0 3TB is 28.2%. This is a relatively narrow range which indicates that the WDC WD30 EZRX-00MMMB0 3TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.7MB/s
Avg. Sequential Read Speed 70.4MB/s
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Average Bench

(Based on 48 samples)
Rank 13127.1%
Min Avg Max
22.3 Read 70.4 115
19.2 Write 67.2 116
16 Mixed 46.4 95.4
0.1 SusWrite 43.4 99.1
74.8% 56.9 MB/s
Min Avg Max
0.3 4K Read 0.7 1
0.4 4K Write 1.76 2.3
0.08 4K Mixed 0.48 0.8
78.8% 0.98 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 78 75 70 75 69 79 MB/s
38.8% Below average
Read 111
Write 116
Mixed 72.2
SusWrite 74.2
124% 93.1 MB/s
4K Read 0.7
4K Write 2.1
4K Mixed 0.6
94% 1.13 MB/s
318GB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 69 74 64 69 79 79 MB/s
36.5% Below average
Read 95.3
Write 79.7
Mixed 45
SusWrite 72.2
95% 73.1 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.6
98% 1.2 MB/s
319GB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 60 60 62 62 62 62 MB/s
34.2% Below average
Read 99.1
Write 97.2
Mixed 57.5
SusWrite 61.5
103% 78.8 MB/s
4K Read 1
4K Write 2
4K Mixed 0.6
92% 1.2 MB/s
318GB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 63 73 77 68 75 77 MB/s
33.8% Below average
Read 78.8
Write 75.8
Mixed 41.5
SusWrite 72.1
89% 67.1 MB/s
4K Read 0.9
4K Write 2.1
4K Mixed 0.7
99% 1.23 MB/s
1.5TB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 55 57 57 59 59 60 MB/s
32.8% Below average
Read 99.9
Write 98.6
Mixed 48.2
SusWrite 57.8
99% 76.1 MB/s
4K Read 0.9
4K Write 1.8
4K Mixed 0.8
92% 1.17 MB/s
1.5TB free, PID 0551
Operating at USB 2.1 Speed
SusWrite @10s intervals: 36 36 37 37 37 37 MB/s
20.2% Poor
Read 36.5
Write 36.2
Mixed 30.2
SusWrite 36.7
48% 34.9 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.5
95% 1.17 MB/s
1.5TB free, PID 0551
Operating at USB 3.0 Speed
SusWrite @10s intervals: 0.2 1.3 2.7 3 2.3 MB/s
19.3% Very poor
Read 93.2
Write 67
Mixed 57.2
SusWrite 1.7
66% 54.8 MB/s
4K Read 0.9
4K Write 1.7
4K Mixed 0.7
85% 1.1 MB/s
1TB free, PID 0551
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 25 25 26 26 27 MB/s
15.4% Very poor
Read 57
Write 18.9
Mixed 23
SusWrite 25.5
36% 31.1 MB/s
4K Read 4.1
4K Write 0.2
4K Mixed 0.8
49% 1.7 MB/s
48 MORE »
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