TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

Average Bench: 75.8% (6th of 639)

Based on 1,247 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 16%Average: 75.8% Great: 122%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 24.1% 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 11.6MB/s
Avg. 4K-64Thread Mixed IO Speed 9.32MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 106%. 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. Sequential Mixed IO Speed 44.5MB/s
Avg. 4K Random Read Speed 8.12MB/s
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Average Bench

(Based on 1,247 samples)
Rank 675.8%
Min Avg Max
14.6 Read 152 249
7.8 Write 94.4 215
2 Mixed 44.5 121
10.4 SusWrite 119 229
129% 102 MB/s
Min Avg Max
2.4 4K Read 8.12 12.4
0.4 4K Write 8.47 11.7
2.37 4K Mixed 6.6 8.8
543% 7.73 MB/s
Min Avg Max
8.7 DQ Read 10.9 12.8
8.98 DQ Write 11.6 12.7
7.6 DQ Mixed 9.32 10.6
753% 10.6 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
119GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 217 210 202 210 213 211 MB/s
119% Outstanding
Read 244
Write 213
Mixed 69.3
SusWrite 210
238% 184 MB/s
4K Read 9.8
4K Write 11.5
4K Mixed 8.2
706% 9.83 MB/s
DQ Read 10.9
DQ Write 12.5
DQ Mixed 9.9
802% 11.1 MB/s
57GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 211 105 218 181 196 193 MB/s
109% Outstanding
Read 219
Write 49.9
Mixed 47.2
SusWrite 184
149% 125 MB/s
4K Read 10.8
4K Write 11.1
4K Mixed 8.1
693% 10 MB/s
DQ Read 11.6
DQ Write 12
DQ Mixed 9.5
774% 11 MB/s
57GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 30 43 32 72 51 158 MB/s
85.8% Excellent
Read 251
Write 39.2
Mixed 22
SusWrite 64.3
92% 94.1 MB/s
4K Read 10.6
4K Write 10.7
4K Mixed 8.1
679% 9.8 MB/s
DQ Read 10.9
DQ Write 11.7
DQ Mixed 8.3
721% 10.3 MB/s
57GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 57 38 43 40 38 58 MB/s
71.1% Very good
Read 222
Write 75.8
Mixed 28.5
SusWrite 45.8
97% 93 MB/s
4K Read 10.7
4K Write 8.6
4K Mixed 8.3
614% 9.2 MB/s
DQ Read 11.6
DQ Write 12.1
DQ Mixed 9.9
791% 11.2 MB/s
109GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 27 27 28 28 28 MB/s
35.4% Below average
Read 32.7
Write 25.7
Mixed 24.3
SusWrite 27
36% 27.4 MB/s
4K Read 6.2
4K Write 7.6
4K Mixed 5.4
465% 6.4 MB/s
1,247 MORE »

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

Added n/a ago.
USA-User
Avatar level
6,886

Liked (edit your comment) Add link

8 months ago.

IND-User
Avatar level
3,260

Excellent

12 months ago.

isse achha toh 500 GB ki SSD na le lu BC.

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opinion?
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Ready to retire
Age: 6 years

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See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Storage Devices FAQ
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