TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

Average Bench: 74.9% (6th of 639)

Based on 1,335 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 16%Average: 74.9% Great: 123%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 25.0% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 11.7MB/s
Avg. 4K-64Thread Mixed IO Speed 9.3MB/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 42.4MB/s
Avg. 4K Random Read Speed 8.11MB/s
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Average Bench

(Based on 1,335 samples)
Rank 674.9%
Min Avg Max
14.4 Read 150 249
6.48 Write 90 215
2 Mixed 42.4 108
10.2 SusWrite 115 228
124% 99.4 MB/s
Min Avg Max
2.4 4K Read 8.11 12.4
0.4 4K Write 8.51 11.7
2.41 4K Mixed 6.62 8.8
545% 7.75 MB/s
Min Avg Max
8.51 DQ Read 10.8 12.8
8.9 DQ Write 11.7 12.7
7.41 DQ Mixed 9.3 10.5
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: 226 226 227 228 229 222 MB/s
122% Outstanding
Read 240
Write 207
Mixed 69
SusWrite 226
242% 186 MB/s
4K Read 11
4K Write 11.4
4K Mixed 8.2
708% 10.2 MB/s
DQ Read 12.5
DQ Write 12.3
DQ Mixed 10.5
822% 11.8 MB/s
107GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 226 153 214 210 211 208 MB/s
118% Outstanding
Read 244
Write 131
Mixed 63.5
SusWrite 204
201% 161 MB/s
4K Read 12.9
4K Write 11.5
4K Mixed 8.9
742% 11.1 MB/s
DQ Read 13
DQ Write 12.7
DQ Mixed 10.5
837% 12.1 MB/s
21GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 185 91 114 191 202 203 MB/s
106% Outstanding
Read 230
Write 49.9
Mixed 20.5
SusWrite 164
132% 116 MB/s
4K Read 8.4
4K Write 11.2
4K Mixed 7.9
681% 9.17 MB/s
DQ Read 10.4
DQ Write 12.2
DQ Mixed 9.5
777% 10.7 MB/s
54GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 147 166 166 168 164 151 MB/s
105% Outstanding
Read 231
Write 78.9
Mixed 42.2
SusWrite 161
151% 128 MB/s
4K Read 9.4
4K Write 11.2
4K Mixed 7.7
678% 9.43 MB/s
DQ Read 10.1
DQ Write 12.2
DQ Mixed 9.3
769% 10.5 MB/s
31GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 90 119 126 133 145 147 MB/s
91.7% Outstanding
Read 248
Write 18.2
Mixed 100
SusWrite 127
139% 123 MB/s
4K Read 7.5
4K Write 8.6
4K Mixed 7.3
569% 7.8 MB/s
DQ Read 10.4
DQ Write 10.9
DQ Mixed 8.8
709% 10 MB/s
29GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 111 127 115 146 149 158 MB/s
82.4% Excellent
Read 174
Write 50
Mixed 30.2
SusWrite 134
115% 97.1 MB/s
4K Read 3.9
4K Write 8.8
4K Mixed 5.4
498% 6.03 MB/s
DQ Read 10.9
DQ Write 11.6
DQ Mixed 8.1
710% 10.2 MB/s
77GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 29 29 29 29 29 MB/s
36.3% Below average
Read 35.6
Write 29.1
Mixed 25.2
SusWrite 28.8
39% 29.7 MB/s
4K Read 6.5
4K Write 7.6
4K Mixed 5.7
476% 6.6 MB/s
1,335 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.

 Comments

Added n/a ago.
USA-User
Avatar level
7,568

Excellent (edit your comment) Add link

23 days ago.

IND-User
Avatar level
3,536

Excellent

17 months ago.

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

hellcinder
Avatar level
14

Excellent

3 months ago.

Best speeds for xfering data on a thumb drive.

Your
opinion?
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639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

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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What is 3D XPoint and how fast is it?
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Intel Core i5-10400F $143Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
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HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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