Average Bench: 69.5% (8th of 639)

Based on 249 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk Extreme Pro
Poor: 25%Average: 69.5% Great: 139%

Above average average bench

The SanDisk Extreme Pro USB 3.1 128GB averaged 30.4% 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 11.4MB/s
Avg. 4K-64Thread Mixed IO Speed 9.65MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.1 128GB is 115%. 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. 4K Random Read Speed 7.8MB/s
Avg. Sequential Read Speed 137MB/s
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Average Bench

(Based on 249 samples)
Min Avg Max
26.7 Read 137 296
14.9 Write 88 264
2 Mixed 71.9 194
16.6 SusWrite 102 271
128% 99.6 MB/s
Min Avg Max
3.9 4K Read 7.8 12.1
2.3 4K Write 8.5 12.2
2.45 4K Mixed 6.52 10.4
540% 7.61 MB/s
Min Avg Max
8.65 DQ Read 12.1 16.1
5.55 DQ Write 11.4 13.2
4.49 DQ Mixed 9.65 13
760% 11 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
85GB free (System drive), PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 96 184 242 248 259 242 MB/s
Read 272
Write 88.2
Mixed 83.5
SusWrite 212
199% 164 MB/s
4K Read 8.5
4K Write 10.2
4K Mixed 7.2
623% 8.63 MB/s
DQ Read 8.9
DQ Write 8.9
DQ Mixed 8.2
615% 8.67 MB/s
28GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 37 38 47 45 44 39 MB/s
Read 200
Write 31.8
Mixed 28.7
SusWrite 41.7
74% 75.6 MB/s
4K Read 9.3
4K Write 6.2
4K Mixed 8.6
538% 8.03 MB/s
91GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 14 20 20 24 26 28 MB/s
Read 38.4
Write 22.4
Mixed 31.1
SusWrite 22.1
37% 28.5 MB/s
4K Read 7.7
4K Write 6.4
4K Mixed 3.5
365% 5.87 MB/s
115GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 24 23 24 23 23 MB/s
Read 30.8
Write 23.5
Mixed 26.3
SusWrite 23.5
35% 26 MB/s
4K Read 5.4
4K Write 5.9
4K Mixed 4.3
367% 5.2 MB/s
249 MORE »

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USB Flash Drive Rankings (Price vs Performance) July 2019 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

6 months ago.

I get consistent 350MB/s write speeds.


Excellent

2 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
AMD Ryzen 5 3600 $199Nvidia GTX 1070 $391Samsung 850 Evo 250GB $104
AMD Ryzen 7 2700X $251Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
Intel Core i9-9900K $485Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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