Average Bench: 60.4% (10th of 639)

Based on 393 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk Extreme Pro
Poor: 21%Average: 60.4% Great: 126%

Above average average bench

The SanDisk Extreme Pro USB 3.1 128GB averaged 39.5% 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 10.9MB/s
Avg. 4K-64Thread Mixed IO Speed 9.24MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.1 128GB is 105%. This is a particularly wide range which indicates that the SanDisk Extreme Pro USB 3.1 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 114MB/s
Avg. Sequential Mixed IO Speed 50.9MB/s
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Average Bench

(Based on 393 samples)
Min Avg Max
23.2 Read 114 293
14.2 Write 64.1 212
5.24 Mixed 50.9 178
14.8 SusWrite 78.3 249
96.6% 76.9 MB/s
Min Avg Max
3.95 4K Read 7.39 11
2.4 4K Write 8.16 12
3.3 4K Mixed 6.48 9.85
525% 7.34 MB/s
Min Avg Max
8.7 DQ Read 11.1 14.8
4.2 DQ Write 10.9 13
4.95 DQ Mixed 9.24 12.3
727% 10.4 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
77GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 40 41 41 41 41 MB/s
Read 39.6
Write 38.4
Mixed 37.2
SusWrite 39.8
53% 38.8 MB/s
4K Read 8.4
4K Write 11.1
4K Mixed 7.9
677% 9.13 MB/s
DQ Read 9.4
DQ Write 11.5
DQ Mixed 9
732% 9.97 MB/s
77GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 39 40 39 39 39 MB/s
Read 38.6
Write 38.6
Mixed 36.7
SusWrite 39.3
52% 38.3 MB/s
4K Read 7
4K Write 9.8
4K Mixed 6.9
594% 7.9 MB/s
DQ Read 7.4
DQ Write 10.1
DQ Mixed 6.4
589% 7.97 MB/s
77GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 28 28 27 26 26 26 MB/s
Read 32.7
Write 23.6
Mixed 28
SusWrite 26.5
37% 27.7 MB/s
4K Read 5.9
4K Write 7.4
4K Mixed 5.5
461% 6.27 MB/s
393 MORE »

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USB Flash Drive Rankings (Price vs Performance) January 2020 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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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.

Excellent (edit your comment) Add link

12 months ago.

I get consistent 350MB/s write speeds.


Excellent

8 months ago.

el mas rapido de 250 a 300mb/s


Your
opinion?
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.
CPUGPUSSD
Intel Core i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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