Average Bench: 82.1% (6th of 639)

Based on 861 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 27%Average: 82.1% Great: 117%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 17.8% 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 10.6MB/s
Avg. 4K Random Write Speed 9.26MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 89.7%. 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. 4K Random Read Speed 9.61MB/s
Avg. Sequential Read Speed 182MB/s
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Average Bench

(Based on 861 samples)
Min Avg Max
30.2 Read 182 251
10.7 Write 115 208
13.3 Mixed 102 206
9.9 SusWrite 121 227
166% 130 MB/s
Min Avg Max
5.12 4K Read 9.61 13.7
3.9 4K Write 9.26 11.4
2.03 4K Mixed 4.06 5.18
489% 7.65 MB/s
Min Avg Max
8.64 DQ Read 11.3 14.3
6.54 DQ Write 10.6 11.9
2.73 DQ Mixed 4.54 5.46
559% 8.84 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
63GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 223 217 222 221 216 216 MB/s
Read 243
Write 206
Mixed 67.4
SusWrite 219
238% 184 MB/s
4K Read 11.3
4K Write 11.1
4K Mixed 8.2
698% 10.2 MB/s
DQ Read 11.9
DQ Write 12.2
DQ Mixed 10
799% 11.4 MB/s
35GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 121 197 167 166 187 111 MB/s
Read 241
Write 47.5
Mixed 51.5
SusWrite 158
143% 124 MB/s
4K Read 12.3
4K Write 11.6
4K Mixed 8.7
736% 10.9 MB/s
DQ Read 12.6
DQ Write 12.5
DQ Mixed 10.5
829% 11.9 MB/s
28GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 61 55 45 44 41 46 MB/s
Read 241
Write 89.6
Mixed 2
SusWrite 48.6
96% 95.3 MB/s
4K Read 5.4
4K Write 0.3
4K Mixed 9.1
340% 4.93 MB/s
31GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 8.1 7 12 12 8.4 12 MB/s
Read 30.8
Write 23.8
Mixed 2.5
SusWrite 9.9
20% 16.8 MB/s
4K Read 2.2
4K Write 6
4K Mixed 4.6
369% 4.27 MB/s
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 Prices

BHPhotoUS $6014 months
NeweggUS $862 months
AmazonUS $886 days
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USB Flash Drive Rankings (Price vs Performance) July 2018 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.
  • Fastest real world speed - Real World Speed measures performance for typical flash usage patterns.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.

 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 i7-8700K $340Nvidia GTX 1070 $400Samsung 850 Evo 250GB $85
AMD Ryzen 5 1600 $160Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $121
Intel Core i5-8600K $225AMD RX 480 $280Samsung 850 Pro 256GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $160SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $219SanDisk Ultra Fit 32GB $12
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