TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

VS

Average Bench: 74.9% (6th of 639)

Based on 1,080 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 19%Average: 74.9% Great: 120%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 25.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 11MB/s
Avg. 4K Random Write Speed 8.36MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 101%. 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 8.44MB/s
Avg. Sequential Read Speed 162MB/s
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Average Bench

(Based on 1,080 samples)
Rank 674.9%
Min Avg Max
17.9 Read 162 251
8.56 Write 95.6 213
2.58 Mixed 66.4 193
10.6 SusWrite 116 226
139% 110 MB/s
Min Avg Max
2.6 4K Read 8.44 12.4
0.68 4K Write 8.36 11.5
1.93 4K Mixed 5.28 8.6
495% 7.36 MB/s
Min Avg Max
8.5 DQ Read 11 13.2
7.83 DQ Write 11 12.6
3.17 DQ Mixed 6.94 10.5
650% 9.65 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: 211 215 214 207 208 207 MB/s
115% Outstanding
Read 222
Write 200
Mixed 79.2
SusWrite 210
233% 178 MB/s
4K Read 10.5
4K Write 11.2
4K Mixed 8
692% 9.9 MB/s
DQ Read 11.3
DQ Write 12.4
DQ Mixed 9.9
800% 11.2 MB/s
119GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 206 210 210 213 215 213 MB/s
99.8% Outstanding
Read 204
Write 222
Mixed 73.2
SusWrite 211
237% 178 MB/s
4K Read 6.1
4K Write 7.4
4K Mixed 5.2
451% 6.23 MB/s
119GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 148 152 155 157 158 158 MB/s
91.3% Outstanding
Read 223
Write 223
Mixed 70.2
SusWrite 155
217% 168 MB/s
4K Read 6.3
4K Write 7.7
4K Mixed 5
455% 6.33 MB/s
115GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 43 43 43 43 43 43 MB/s
51.8% Above average
Read 41.7
Write 41.6
Mixed 31.7
SusWrite 42.9
54% 39.5 MB/s
4K Read 9.7
4K Write 11.1
4K Mixed 7
652% 9.27 MB/s
DQ Read 10.1
DQ Write 11.9
DQ Mixed 8.8
742% 10.3 MB/s
46GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 1.1 1.2 1.1 1.2 1.1 1.2 MB/s
4% Terrible
Read 1
Write 1
Mixed 1
SusWrite 1.1
1% 1.02 MB/s
4K Read 1
4K Write 1.1
4K Mixed 1
75% 1.03 MB/s
1,080 MORE »

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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $350Nvidia GTX 1070 $335Samsung 850 Evo 250GB $104
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HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $75SanDisk Ultra Fit 32GB $12
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