Average Bench: 75.6% (6th of 639)

Based on 1,108 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 19%Average: 75.6% Great: 121%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 24.3% 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 11.1MB/s
Avg. 4K Random Write Speed 8.44MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 102%. 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 8.45MB/s
Avg. Sequential Mixed IO Speed 64.1MB/s
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Average Bench

(Based on 1,108 samples)
Min Avg Max
17.7 Read 162 250
8.54 Write 96.7 215
2.5 Mixed 64.1 186
11.1 SusWrite 119 227
139% 111 MB/s
Min Avg Max
2.53 4K Read 8.45 12.4
0.67 4K Write 8.44 11.6
2.04 4K Mixed 5.49 8.7
505% 7.46 MB/s
Min Avg Max
8.5 DQ Read 11 13.2
8.12 DQ Write 11.1 12.6
3.21 DQ Mixed 7.27 10.5
666% 9.81 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
31GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 233 234 234 234 234 233 MB/s
Read 254
Write 220
Mixed 80.3
SusWrite 234
256% 197 MB/s
4K Read 12.9
4K Write 11.9
4K Mixed 9.1
762% 11.3 MB/s
DQ Read 13
DQ Write 12.8
DQ Mixed 10.5
841% 12.1 MB/s
39GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 232 230 234 237 238 227 MB/s
Read 250
Write 215
Mixed 64.5
SusWrite 233
247% 190 MB/s
4K Read 10
4K Write 11.8
4K Mixed 8.4
724% 10.1 MB/s
DQ Read 11.4
DQ Write 12.5
DQ Mixed 10
808% 11.3 MB/s
31GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 229 237 234 238 235 236 MB/s
Read 233
Write 195
Mixed 70.8
SusWrite 235
240% 183 MB/s
4K Read 12.4
4K Write 11.6
4K Mixed 8.4
726% 10.8 MB/s
DQ Read 12.7
DQ Write 12.6
DQ Mixed 10.2
823% 11.8 MB/s
111GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 222 221 216 220 221 219 MB/s
Read 234
Write 205
Mixed 163
SusWrite 220
275% 205 MB/s
4K Read 8
4K Write 9.5
4K Mixed 7.2
598% 8.23 MB/s
DQ Read 10.8
DQ Write 10.5
DQ Mixed 7.2
642% 9.5 MB/s
97GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 91 88 104 72 105 104 MB/s
Read 187
Write 50
Mixed 25.8
SusWrite 93.9
99% 89.2 MB/s
4K Read 11.3
4K Write 11
4K Mixed 8.6
709% 10.3 MB/s
DQ Read 12.7
DQ Write 11.9
DQ Mixed 10.6
812% 11.7 MB/s
113GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 37 37 37 37 37 MB/s
Read 39
Write 36.8
Mixed 33.6
SusWrite 36.8
50% 36.5 MB/s
4K Read 10.4
4K Write 11.2
4K Mixed 7.8
685% 9.8 MB/s
DQ Read 10
DQ Write 12.3
DQ Mixed 8.9
758% 10.4 MB/s
115GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 39 39 38 36 37 MB/s
Read 38.4
Write 37.1
Mixed 30
SusWrite 37.8
49% 35.8 MB/s
4K Read 9.8
4K Write 10.8
4K Mixed 7.5
659% 9.37 MB/s
DQ Read 10
DQ Write 11.6
DQ Mixed 8.7
728% 10.1 MB/s
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USB Flash Drive Rankings (Price vs Performance) August 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

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 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $86
Intel Core i5-9400F $143Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
Intel Core i5-9600K $230Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 16GB $24
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