TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

Average Bench: 76% (6th of 639)

Based on 1,131 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 19%Average: 76% Great: 121%

Good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged 23.9% 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 11.2MB/s
Avg. 4K Random Write Speed 8.39MB/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 8.3MB/s
Avg. Sequential Mixed IO Speed 59.6MB/s
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Average Bench

(Based on 1,131 samples)
Rank 676%
Min Avg Max
15.3 Read 159 250
8.05 Write 99.1 216
2.5 Mixed 59.6 175
9.98 SusWrite 119 227
138% 109 MB/s
Min Avg Max
2.43 4K Read 8.3 12.4
0.43 4K Write 8.39 11.7
2.04 4K Mixed 5.89 8.8
516% 7.53 MB/s
Min Avg Max
8.51 DQ Read 11 13
8.14 DQ Write 11.2 12.7
3.41 DQ Mixed 8.01 10.5
695% 10.1 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
15GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 227 239 239 239 236 234 MB/s
126% Outstanding
Read 251
Write 227
Mixed 76
SusWrite 236
258% 197 MB/s
4K Read 10.5
4K Write 11.6
4K Mixed 8.5
723% 10.2 MB/s
DQ Read 11.1
DQ Write 12.4
DQ Mixed 9.9
800% 11.1 MB/s
48GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 44 7.3 93 105 144 72 MB/s
51.5% Above average
Read 0.2
Write 8.2
Mixed 55.3
SusWrite 77.6
57% 35.3 MB/s
4K Read 5.6
4K Write 10.8
4K Mixed 7.9
657% 8.1 MB/s
DQ Read 12
DQ Write 12
DQ Mixed 9.6
779% 11.2 MB/s
50GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 14 15 84 117 38 97 MB/s
32.4% Below average
Read 34.5
Write 0.3
Mixed 0.2
SusWrite 60.9
30% 24 MB/s
4K Read 0.1
4K Write 4.6
4K Mixed 6.5
378% 3.73 MB/s
1,131 MORE »

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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

Added n/a ago.
USA-User
Avatar level
5,988

Liked (edit your comment) Add link

10 months ago.

IND-User
Avatar level
2,720

Excellent

2 months ago.

isse achha toh 500 GB ki SSD na le lu BC.

Your
opinion?
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Ready to retire
Age: 5 years

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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

Storage Devices FAQ
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 Best User Rated
The Best.
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Intel Core i7-9700K $369Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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