TEST
YOUR USB

KINGSTON (ExtHD)

SUV400S 480GB

▲ 500 ▼

Release date ≈ Q2 2021.

Average Bench: 140% (2nd of 639)

Based on 4 user benchmarks.  Device: VID 2537 PID 1066 Model: KINGSTON SUV400S
Poor: 66%Average: 140% Great: 184%

Outstanding average bench

The KINGSTON SUV400S 480GB averaged 40.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the KINGSTON SUV400S 480GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 26.9MB/s
Avg. 4K Random Write Speed 23.5MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Sequential Mixed IO Speed 28.5MB/s
Avg. Sequential Read Speed 239MB/s
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Average Bench

(Based on 4 samples)
Rank 2140%
Min Avg Max
37.8 Read 239 314
29.7 Write 250 331
24.8 Mixed 28.5 32.3
38.7 SusWrite 135 171
206% 163 MB/s
Min Avg Max
12.5 4K Read 15.2 17.7
16 4K Write 23.5 33.1
0.4 4K Mixed 8.85 20.3
1,158% 15.8 MB/s
Min Avg Max
13.6 DQ Read 17.7 20.2
16.2 DQ Write 26.9 42.9
14.5 DQ Mixed 18.6 21.5
1614% 21.1 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
114GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 359 187 123 125 111 101 MB/s
184% Outstanding
Read 292
Write 331
Mixed 28.4
SusWrite 168
260% 205 MB/s
4K Read 14.8
4K Write 33.1
4K Mixed 1
1,215% 16.3 MB/s
DQ Read 17.3
DQ Write 42.9
DQ Mixed 17.1
2,105% 25.8 MB/s
108GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 238 268 197 118 106 98 MB/s
156% Outstanding
Read 314
Write 313
Mixed 24.8
SusWrite 171
256% 206 MB/s
4K Read 17.7
4K Write 22.4
4K Mixed 0.4
841% 13.5 MB/s
DQ Read 19.6
DQ Write 22.4
DQ Mixed 21.4
1,562% 21.1 MB/s
108GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 233 277 148 122 104 98 MB/s
154% Outstanding
Read 313
Write 326
Mixed 28.5
SusWrite 164
260% 208 MB/s
4K Read 15.6
4K Write 22.7
4K Mixed 20.3
1,520% 19.5 MB/s
DQ Read 20.2
DQ Write 26.1
DQ Mixed 21.5
1,694% 22.6 MB/s
93GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 39 39 39 39 39 MB/s
66% Good
Read 37.8
Write 29.7
Mixed 32.3
SusWrite 38.7
47% 34.6 MB/s
4K Read 12.5
4K Write 16
4K Mixed 13.7
1,057% 14.1 MB/s
DQ Read 13.6
DQ Write 16.2
DQ Mixed 14.5
1,095% 14.8 MB/s
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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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