TEST
YOUR USB

KINGSTON (ExtHD)

SA400S3 120GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 100% (5th of 639)

Based on 21 user benchmarks.  Device: VID 2537 PID 1066 Model: KINGSTON SA400S3
Poor: 6%Average: 100% Great: 175%

Excellent average bench

The KINGSTON SA400S3 120GB averaged 0.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the KINGSTON SA400S3 120GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 24MB/s
Avg. 4K Random Write Speed 16.3MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the KINGSTON SA400S3 120GB is 169%. This is a particularly wide range which indicates that the KINGSTON SA400S3 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 155MB/s
Avg. 4K Random Read Speed 11.8MB/s
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Average Bench

(Based on 21 samples)
Rank 5100%
Min Avg Max
1.3 Read 155 298
16.8 Write 116 330
1.3 Mixed 123 296
10.3 SusWrite 89.6 178
158% 121 MB/s
Min Avg Max
0.1 4K Read 11.8 18.9
0.1 4K Write 16.3 26.2
0.1 4K Mixed 9.38 20.7
919% 12.5 MB/s
Min Avg Max
7.5 DQ Read 14.1 20.4
12.5 DQ Write 24 38.2
1.73 DQ Mixed 12.6 25.1
1,298% 16.9 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
108GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 190 54 54 54 54 48 MB/s
98.6% Outstanding
Read 175
Write 109
Mixed 94
SusWrite 75.5
141% 113 MB/s
4K Read 12.7
4K Write 17.5
4K Mixed 9.4
962% 13.2 MB/s
DQ Read 9.9
DQ Write 16.2
DQ Mixed 10.8
955% 12.3 MB/s
80GB free (System drive), PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 49 48 44 51 50 43 MB/s
74.7% Very good
Read 137
Write 80.8
Mixed 46.7
SusWrite 47.5
93% 78.1 MB/s
4K Read 12.6
4K Write 13.5
4K Mixed 8.6
798% 11.6 MB/s
DQ Read 11.9
DQ Write 12.7
DQ Mixed 8.6
769% 11.1 MB/s
55GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 42 42 41 41 41 28 MB/s
62.9% Good
Read 40.2
Write 39.4
Mixed 38.5
SusWrite 39.2
54% 39.3 MB/s
4K Read 10.3
4K Write 15
4K Mixed 9
854% 11.4 MB/s
DQ Read 10.6
DQ Write 16.1
DQ Mixed 10.5
944% 12.4 MB/s
111GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 28 28 29 28 29 29 MB/s
35.4% Below average
Read 34.7
Write 28.7
Mixed 30.8
SusWrite 28.5
41% 30.7 MB/s
4K Read 7.3
4K Write 7.3
4K Mixed 6.2
486% 6.93 MB/s
111GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 27 27 27 28 MB/s
27.3% Poor
Read 33.5
Write 27.5
Mixed 30.5
SusWrite 27.1
40% 29.6 MB/s
4K Read 5.1
4K Write 5
4K Mixed 5.6
379% 5.23 MB/s
21 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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