Average Bench: 81.4% (6th of 639)

Based on 1,435 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 23%Average: 81.4% Great: 123%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 18.6% 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.


Avg. 4K-64Thread Write Speed 12MB/s
Avg. 4K-64Thread Mixed IO Speed 9.39MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 100%. This is a particularly wide range which indicates that the SanDisk Extreme Pro USB 3.0 128GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 46.6MB/s
Avg. 4K Random Read Speed 8.63MB/s

Average Bench

(Based on 1,435 samples)
Min Avg Max
25.7 Read 162 251
7.99 Write 98.9 215
2 Mixed 46.6 122
11.3 SusWrite 128 229
137% 109 MB/s
Min Avg Max
2.89 4K Read 8.63 12.4
1.1 4K Write 9.12 11.7
3.4 4K Mixed 7.01 8.8
581% 8.25 MB/s
Min Avg Max
8.8 DQ Read 10.9 12.8
10.5 DQ Write 12 12.7
7.5 DQ Mixed 9.39 10.6
768% 10.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
22GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 221 220 220 224 223 223 MB/s
Read 244
Write 207
Mixed 73.6
SusWrite 222
242% 187 MB/s
4K Read 11.7
4K Write 11.8
4K Mixed 8.3
727% 10.6 MB/s
DQ Read 12
DQ Write 12.7
DQ Mixed 10.5
834% 11.7 MB/s
119GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 37 40 41 40 41 MB/s
Read 50.5
Write 40.5
Mixed 11.2
SusWrite 38.2
44% 35.1 MB/s
4K Read 11.2
4K Write 8.9
4K Mixed 7.6
603% 9.23 MB/s
DQ Read 10
DQ Write 12.3
DQ Mixed 9.1
765% 10.5 MB/s
1,435 MORE »


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USB Flash Drive Rankings (Price vs Performance) April 2024 USB Rankings

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]


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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.


Added n/a ago.


4 years ago.

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


2 years ago.

got it for 5 years and still totally satisfied great product


3 years ago.

Best speeds for xfering data on a thumb drive.


3 years ago.

does what it says on the box :D

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

 Best User Rated

The Best.
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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