Average Bench: 76.6% (6th of 639)

Based on 1,183 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 16%Average: 76.6% Great: 122%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 23.3% 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 9.27MB/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 46.7MB/s
Avg. 4K Random Read Speed 8.16MB/s
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Average Bench

(Based on 1,183 samples)
Min Avg Max
13.7 Read 154 249
7.1 Write 98 216
2 Mixed 46.7 133
10.1 SusWrite 121 227
132% 105 MB/s
Min Avg Max
2.4 4K Read 8.16 12.4
0.4 4K Write 8.47 11.7
2.3 4K Mixed 6.59 8.8
542% 7.74 MB/s
Min Avg Max
8.59 DQ Read 10.9 12.9
8.9 DQ Write 11.6 12.7
7.39 DQ Mixed 9.27 10.6
750% 10.6 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
103GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 199 223 235 233 237 236 MB/s
Read 244
Write 210
Mixed 67.1
SusWrite 227
243% 187 MB/s
4K Read 10.4
4K Write 11.6
4K Mixed 8.3
715% 10.1 MB/s
DQ Read 11.1
DQ Write 12.8
DQ Mixed 10
817% 11.3 MB/s
27GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 119 45 98 179 183 182 MB/s
Read 219
Write 30
Mixed 2.7
SusWrite 134
103% 96.6 MB/s
4K Read 5.8
4K Write 6.8
4K Mixed 8.7
549% 7.1 MB/s
115GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 90 51 45 140 185 208 MB/s
Read 168
Write 54.3
Mixed 1.8
SusWrite 120
98% 86 MB/s
4K Read 4.5
4K Write 9.7
4K Mixed 7.5
602% 7.23 MB/s
DQ Read 10.2
DQ Write 11.1
DQ Mixed 9.6
742% 10.3 MB/s
86GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 40 40 41 42 40 MB/s
Read 40.2
Write 41
Mixed 29
SusWrite 40.1
51% 37.6 MB/s
4K Read 9
4K Write 10.3
4K Mixed 6.8
615% 8.7 MB/s
DQ Read 9.2
DQ Write 11.6
DQ Mixed 8.2
708% 9.67 MB/s
1,183 MORE »

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

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USB Flash Drive Rankings (Price vs Performance) June 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 i5-9400F $165Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $196Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $55
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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