TEST
YOUR USB

ST975042 (ExtHD)

0AS 750GB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 24.1% (171st of 639)

Based on 38 user benchmarks.  Device: VID 174c PID 5106 Model: ST975042 0AS
Poor: 8%Average: 24.1% Great: 40%

Very poor average bench

The ST975042 0AS 750GB averaged 75.8% 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. Sustained Write Speed 59.1MB/s
Avg. Sequential Write Speed 55.2MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the ST975042 0AS 750GB is 32.4%. This is a relatively narrow range which indicates that the ST975042 0AS 750GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.56MB/s
Avg. 4K Random Mixed IO Speed 0.4MB/s
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Average Bench

(Based on 38 samples)
Rank 17124.1%
Min Avg Max
18.7 Read 63.2 117
4 Write 55.2 109
10.1 Mixed 39.6 87.1
8.1 SusWrite 59.1 111
72.4% 54.3 MB/s
Min Avg Max
0.2 4K Read 0.56 0.7
0.2 4K Write 0.73 1.15
0.13 4K Mixed 0.4 0.8
40.5% 0.56 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
699GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 108 109 112 111 111 111 MB/s
43.9% Average
Read 117
Write 109
Mixed 58.7
SusWrite 111
131% 98.6 MB/s
4K Read 0.6
4K Write 0.9
4K Mixed 0.6
53% 0.7 MB/s
496GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 102 100 96 100 99 100 MB/s
39.1% Below average
Read 105
Write 75.6
Mixed 55
SusWrite 99.4
110% 83.7 MB/s
4K Read 0.5
4K Write 0.7
4K Mixed 0.5
43% 0.57 MB/s
611GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 89 90 89 90 89 88 MB/s
35.1% Below average
Read 88.1
Write 85.2
Mixed 53.9
SusWrite 89.2
106% 79.1 MB/s
4K Read 0.6
4K Write 0.9
4K Mixed 0.7
57% 0.73 MB/s
130GB free, PID 5106
Operating at USB 3.0 Speed
SusWrite @10s intervals: 73 72 72 73 73 73 MB/s
29.5% Poor
Read 76.3
Write 61.7
Mixed 49.5
SusWrite 72.7
87% 65.1 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.6
50% 0.67 MB/s
699GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 35 38 38 39 39 39 MB/s
17.5% Very poor
Read 51.7
Write 33.9
Mixed 27
SusWrite 38
48% 37.7 MB/s
4K Read 0.9
4K Write 0.5
4K Mixed 0.6
41% 0.67 MB/s
333GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 36 38 38 39 41 MB/s
16.3% Very poor
Read 39.2
Write 36.5
Mixed 28.5
SusWrite 38.3
48% 35.6 MB/s
4K Read 0.6
4K Write 0.7
4K Mixed 0.6
46% 0.63 MB/s
138GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 11 10 10 10 10 10 MB/s
8.39% Terrible
Read 28.7
Write 23.7
Mixed 19.7
SusWrite 10.3
26% 20.6 MB/s
4K Read 0.6
4K Write 0.6
4K Mixed 0.5
40% 0.57 MB/s
136GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 5.7 8.9 8.5 8.6 8.5 8.5 MB/s
7.61% Terrible
Read 26.6
Write 20.4
Mixed 19.6
SusWrite 8.1
24% 18.7 MB/s
4K Read 0.6
4K Write 0.6
4K Mixed 0.6
43% 0.6 MB/s
40GB free, PID 5106
Operating at USB 2.1 Speed
SusWrite @10s intervals: 19 16 12 3 13 13 MB/s
6.12% Terrible
Read 18.7
Write 14
Mixed 16.7
SusWrite 12.6
20% 15.5 MB/s
4K Read 0.2
4K Write 0.2
4K Mixed 0.6
28% 0.33 MB/s
38 MORE »
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