TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

VS

Average Bench: 81.7% (5th of 639)

Based on 946 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 28%Average: 81.7% Great: 117%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 18.2% 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 10.7MB/s
Avg. 4K Random Write Speed 9.17MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 89.1%. 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 9.37MB/s
Avg. Sequential Read Speed 181MB/s
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Average Bench

(Based on 946 samples)
Rank 581.7%
Min Avg Max
29.6 Read 181 251
9.51 Write 111 211
10.4 Mixed 94.5 205
17.3 SusWrite 137 226
168% 131 MB/s
Min Avg Max
4.83 4K Read 9.37 13
3.31 4K Write 9.17 11.5
2.04 4K Mixed 4.44 8.1
497% 7.66 MB/s
Min Avg Max
8.62 DQ Read 11.2 13.7
6.81 DQ Write 10.7 12.4
2.92 DQ Mixed 5.15 10.1
582% 9.03 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
115GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 205 230 233 231 229 230 MB/s
124% Outstanding
Read 248
Write 168
Mixed 70
SusWrite 226
228% 178 MB/s
4K Read 14.4
4K Write 11.5
4K Mixed 9.3
761% 11.7 MB/s
DQ Read 14.8
DQ Write 12.6
DQ Mixed 11.2
864% 12.9 MB/s
115GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 207 233 232 231 230 230 MB/s
122% Outstanding
Read 237
Write 209
Mixed 76.3
SusWrite 227
245% 187 MB/s
4K Read 11.9
4K Write 11.6
4K Mixed 8.9
741% 10.8 MB/s
DQ Read 13
DQ Write 12.7
DQ Mixed 10.9
851% 12.2 MB/s
39GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 196 216 164 222 218 209 MB/s
114% Outstanding
Read 228
Write 87.2
Mixed 53.8
SusWrite 204
176% 143 MB/s
4K Read 8.8
4K Write 11.3
4K Mixed 7.8
682% 9.3 MB/s
DQ Read 10.5
DQ Write 12.4
DQ Mixed 10
801% 11 MB/s
39GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 190 217 187 190 232 225 MB/s
113% Outstanding
Read 208
Write 99.6
Mixed 30.5
SusWrite 207
170% 136 MB/s
4K Read 9.7
4K Write 11.6
4K Mixed 7
669% 9.43 MB/s
DQ Read 11
DQ Write 12.4
DQ Mixed 9.4
782% 10.9 MB/s
50GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 92 75 84 101 142 80 MB/s
87.5% Excellent
Read 226
Write 47.4
Mixed 30.6
SusWrite 95.8
107% 99.9 MB/s
4K Read 5.8
4K Write 10.6
4K Mixed 7.9
651% 8.1 MB/s
DQ Read 11.5
DQ Write 11.7
DQ Mixed 10.1
784% 11.1 MB/s
5GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 38 56 73 29 40 64 MB/s
77.9% Very good
Read 242
Write 0.2
Mixed 23.8
SusWrite 49.8
69% 78.9 MB/s
4K Read 0
4K Write 10.4
4K Mixed 8.5
643% 6.3 MB/s
DQ Read 12.9
DQ Write 12
DQ Mixed 9.6
782% 11.5 MB/s
5GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 71 26 22 29 15 MB/s
76.9% Very good
Read 240
Write 50
Mixed 1.7
SusWrite 29.7
72% 80.2 MB/s
4K Read 5.6
4K Write 11.2
4K Mixed 7.9
670% 8.23 MB/s
DQ Read 12.8
DQ Write 11.8
DQ Mixed 10.5
806% 11.7 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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