TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

VS

Average Bench: 81.4% (6th of 639)

Based on 973 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 26%Average: 81.4% Great: 119%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 18.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the SanDisk Extreme Pro USB 3.0 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 10.8MB/s
Avg. 4K Random Write Speed 9.09MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 92.9%. This is a particularly wide range which indicates that the SanDisk Extreme Pro USB 3.0 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 9.3MB/s
Avg. Sequential Read Speed 180MB/s
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Average Bench

(Based on 973 samples)
Rank 681.4%
Min Avg Max
29.5 Read 180 251
9.84 Write 109 212
10.1 Mixed 90.7 203
16.9 SusWrite 139 227
166% 130 MB/s
Min Avg Max
4.47 4K Read 9.3 12.9
2.92 4K Write 9.09 11.5
1.97 4K Mixed 4.63 8.5
501% 7.67 MB/s
Min Avg Max
8.61 DQ Read 11.2 13.5
7.17 DQ Write 10.8 12.5
2.95 DQ Mixed 5.54 10.3
598% 9.19 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
53GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 204 222 225 228 235 232 MB/s
122% Outstanding
Read 248
Write 216
Mixed 66.9
SusWrite 224
245% 189 MB/s
4K Read 12.5
4K Write 11.2
4K Mixed 8.5
716% 10.7 MB/s
DQ Read 12
DQ Write 12.6
DQ Mixed 10.3
823% 11.6 MB/s
64GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 221 222 223 222 222 218 MB/s
121% Outstanding
Read 237
Write 209
Mixed 76
SusWrite 221
243% 186 MB/s
4K Read 11.7
4K Write 11.5
4K Mixed 7.9
703% 10.4 MB/s
DQ Read 12.2
DQ Write 12.3
DQ Mixed 10.2
810% 11.6 MB/s
23GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 195 222 223 219 228 220 MB/s
120% Outstanding
Read 244
Write 203
Mixed 70
SusWrite 218
238% 184 MB/s
4K Read 11.7
4K Write 11.2
4K Mixed 8.2
703% 10.4 MB/s
DQ Read 12.6
DQ Write 12.2
DQ Mixed 10.3
812% 11.7 MB/s
23GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 218 232 228 219 232 226 MB/s
119% Outstanding
Read 220
Write 201
Mixed 75.5
SusWrite 226
239% 181 MB/s
4K Read 11.9
4K Write 11.3
4K Mixed 8.2
707% 10.5 MB/s
DQ Read 11.7
DQ Write 12.2
DQ Mixed 9.6
785% 11.2 MB/s
77GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 42 40 37 42 42 42 MB/s
50.8% Above average
Read 41
Write 41.5
Mixed 31.8
SusWrite 40.7
53% 38.8 MB/s
4K Read 9.3
4K Write 11
4K Mixed 7.5
664% 9.27 MB/s
DQ Read 10.1
DQ Write 11.9
DQ Mixed 8.8
742% 10.3 MB/s
54GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 24 23 22 22 22 MB/s
24.1% Poor
Read 26.4
Write 18.1
Mixed 19.4
SusWrite 23.2
29% 21.8 MB/s
4K Read 5.7
4K Write 4.5
4K Mixed 4.1
314% 4.77 MB/s
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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