TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

Average Bench: 75% (6th of 639)

Based on 1,391 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 16%Average: 75% Great: 122%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 24.9% 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 11.8MB/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 42.5MB/s
Avg. 4K Random Read Speed 8.12MB/s
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Average Bench

(Based on 1,391 samples)
Rank 675%
Min Avg Max
14.5 Read 150 249
6.26 Write 89.9 215
2 Mixed 42.5 111
9.79 SusWrite 116 228
125% 99.6 MB/s
Min Avg Max
2.33 4K Read 8.12 12.4
0.4 4K Write 8.5 11.7
2.37 4K Mixed 6.66 8.8
546% 7.76 MB/s
Min Avg Max
8.64 DQ Read 10.9 12.8
9.3 DQ Write 11.8 12.7
7.53 DQ Mixed 9.32 10.5
757% 10.6 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
40GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 225 209 210 223 219 222 MB/s
122% Outstanding
Read 250
Write 172
Mixed 68.6
SusWrite 218
226% 177 MB/s
4K Read 10.2
4K Write 11.6
4K Mixed 8.6
725% 10.1 MB/s
DQ Read 11
DQ Write 12.6
DQ Mixed 10.1
813% 11.2 MB/s
55GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 158 219 216 218 220 180 MB/s
108% Outstanding
Read 236
Write 179
Mixed 168
SusWrite 202
260% 196 MB/s
4K Read 7.9
4K Write 9.1
4K Mixed 7.3
587% 8.1 MB/s
DQ Read 10.2
DQ Write 9
DQ Mixed 8.6
636% 9.27 MB/s
55GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 98 171 159 192 174 199 MB/s
70.1% Very good
Read 122
Write 172
Mixed 89.2
SusWrite 165
192% 137 MB/s
4K Read 7
4K Write 4.8
4K Mixed 2.8
284% 4.87 MB/s
7GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 41 36 40 32 40 MB/s
48.3% Average
Read 25.7
Write 29
Mixed 21.8
SusWrite 36.5
39% 28.2 MB/s
4K Read 9.5
4K Write 11.2
4K Mixed 7.3
664% 9.33 MB/s
DQ Read 9
DQ Write 11.9
DQ Mixed 8.4
724% 9.77 MB/s
1,391 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
7,810

Excellent (edit your comment) Add link

3 months ago.

IND-User
Avatar level
3,650

Excellent

20 months ago.

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

hellcinder
Avatar level
14

Excellent

6 months ago.

Best speeds for xfering data on a thumb drive.

TheGrumpybear
Avatar level
14

Excellent

1 month ago.

does what it says on the box :D

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Speed Comparisons

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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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Intel Core i5-10600K $210Nvidia RTX 3080 $700Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $30Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $102SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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