Average Bench: 75.8% (6th of 639)

Based on 1,247 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 16%Average: 75.8% Great: 122%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 24.1% 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 11.6MB/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 44.5MB/s
Avg. 4K Random Read Speed 8.12MB/s
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Average Bench

(Based on 1,247 samples)
Min Avg Max
14.6 Read 152 249
7.8 Write 94.4 215
2 Mixed 44.5 121
10.4 SusWrite 119 229
129% 102 MB/s
Min Avg Max
2.4 4K Read 8.12 12.4
0.4 4K Write 8.47 11.7
2.37 4K Mixed 6.6 8.8
543% 7.73 MB/s
Min Avg Max
8.7 DQ Read 10.9 12.8
8.98 DQ Write 11.6 12.7
7.6 DQ Mixed 9.32 10.6
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: 217 210 202 210 213 211 MB/s
Read 244
Write 213
Mixed 69.3
SusWrite 210
238% 184 MB/s
4K Read 9.8
4K Write 11.5
4K Mixed 8.2
706% 9.83 MB/s
DQ Read 10.9
DQ Write 12.5
DQ Mixed 9.9
802% 11.1 MB/s
57GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 211 105 218 181 196 193 MB/s
Read 219
Write 49.9
Mixed 47.2
SusWrite 184
149% 125 MB/s
4K Read 10.8
4K Write 11.1
4K Mixed 8.1
693% 10 MB/s
DQ Read 11.6
DQ Write 12
DQ Mixed 9.5
774% 11 MB/s
57GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 30 43 32 72 51 158 MB/s
Read 251
Write 39.2
Mixed 22
SusWrite 64.3
92% 94.1 MB/s
4K Read 10.6
4K Write 10.7
4K Mixed 8.1
679% 9.8 MB/s
DQ Read 10.9
DQ Write 11.7
DQ Mixed 8.3
721% 10.3 MB/s
57GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 57 38 43 40 38 58 MB/s
Read 222
Write 75.8
Mixed 28.5
SusWrite 45.8
97% 93 MB/s
4K Read 10.7
4K Write 8.6
4K Mixed 8.3
614% 9.2 MB/s
DQ Read 11.6
DQ Write 12.1
DQ Mixed 9.9
791% 11.2 MB/s
109GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 27 27 28 28 28 MB/s
Read 32.7
Write 25.7
Mixed 24.3
SusWrite 27
36% 27.4 MB/s
4K Read 6.2
4K Write 7.6
4K Mixed 5.4
465% 6.4 MB/s
1,247 MORE »

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How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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USB Flash Drive Rankings (Price vs Performance) September 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

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 $193Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $145Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $300Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $43
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $64SanDisk Extreme 32GB $30
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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