Average Bench: 81.7% (5th of 639)

Based on 946 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 28%Average: 81.7% Great: 117%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 18.2% 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 10.7MB/s
Avg. 4K Random Write Speed 9.17MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 89.1%. 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 9.37MB/s
Avg. Sequential Read Speed 181MB/s
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Average Bench

(Based on 946 samples)
Min Avg Max
29.6 Read 181 251
9.51 Write 111 211
10.4 Mixed 94.5 205
17.3 SusWrite 137 226
168% 131 MB/s
Min Avg Max
4.83 4K Read 9.37 13
3.31 4K Write 9.17 11.5
2.04 4K Mixed 4.44 8.1
497% 7.66 MB/s
Min Avg Max
8.62 DQ Read 11.2 13.7
6.81 DQ Write 10.7 12.4
2.92 DQ Mixed 5.15 10.1
582% 9.03 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
115GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 205 230 233 231 229 230 MB/s
Read 248
Write 168
Mixed 70
SusWrite 226
228% 178 MB/s
4K Read 14.4
4K Write 11.5
4K Mixed 9.3
761% 11.7 MB/s
DQ Read 14.8
DQ Write 12.6
DQ Mixed 11.2
864% 12.9 MB/s
115GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 207 233 232 231 230 230 MB/s
Read 237
Write 209
Mixed 76.3
SusWrite 227
245% 187 MB/s
4K Read 11.9
4K Write 11.6
4K Mixed 8.9
741% 10.8 MB/s
DQ Read 13
DQ Write 12.7
DQ Mixed 10.9
851% 12.2 MB/s
39GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 196 216 164 222 218 209 MB/s
Read 228
Write 87.2
Mixed 53.8
SusWrite 204
176% 143 MB/s
4K Read 8.8
4K Write 11.3
4K Mixed 7.8
682% 9.3 MB/s
DQ Read 10.5
DQ Write 12.4
DQ Mixed 10
801% 11 MB/s
39GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 190 217 187 190 232 225 MB/s
Read 208
Write 99.6
Mixed 30.5
SusWrite 207
170% 136 MB/s
4K Read 9.7
4K Write 11.6
4K Mixed 7
669% 9.43 MB/s
DQ Read 11
DQ Write 12.4
DQ Mixed 9.4
782% 10.9 MB/s
50GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 92 75 84 101 142 80 MB/s
Read 226
Write 47.4
Mixed 30.6
SusWrite 95.8
107% 99.9 MB/s
4K Read 5.8
4K Write 10.6
4K Mixed 7.9
651% 8.1 MB/s
DQ Read 11.5
DQ Write 11.7
DQ Mixed 10.1
784% 11.1 MB/s
5GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 38 56 73 29 40 64 MB/s
Read 242
Write 0.2
Mixed 23.8
SusWrite 49.8
69% 78.9 MB/s
4K Read 0
4K Write 10.4
4K Mixed 8.5
643% 6.3 MB/s
DQ Read 12.9
DQ Write 12
DQ Mixed 9.6
782% 11.5 MB/s
5GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 71 26 22 29 15 MB/s
Read 240
Write 50
Mixed 1.7
SusWrite 29.7
72% 80.2 MB/s
4K Read 5.6
4K Write 11.2
4K Mixed 7.9
670% 8.23 MB/s
DQ Read 12.8
DQ Write 11.8
DQ Mixed 10.5
806% 11.7 MB/s
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USB Flash Drive Rankings (Price vs Performance) December 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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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $330Samsung 850 Evo 250GB $63
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $210Samsung 850 Evo 500GB $90
Intel Core i5-8600K $243Nvidia GTX 1080-Ti $770Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $72
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $830SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $44Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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