TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

VS

Average Bench: 76.1% (6th of 639)

Based on 1,065 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 19%Average: 76.1% Great: 119%

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 10.9MB/s
Avg. 4K Random Write Speed 8.59MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 100%. 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 8.62MB/s
Avg. Sequential Read Speed 166MB/s
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Average Bench

(Based on 1,065 samples)
Rank 676.1%
Min Avg Max
22.2 Read 166 251
8.79 Write 97.5 212
5.5 Mixed 73.1 199
11.6 SusWrite 117 226
143% 113 MB/s
Min Avg Max
3 4K Read 8.62 12.4
1.72 4K Write 8.59 11.5
1.75 4K Mixed 4.94 8.5
492% 7.38 MB/s
Min Avg Max
8.51 DQ Read 11 13.3
7.54 DQ Write 10.9 12.6
3.02 DQ Mixed 6.38 10.4
627% 9.41 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
10GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 34 34 35 36 36 35 MB/s
49% Average
Read 38.3
Write 34.8
Mixed 29.3
SusWrite 35
46% 34.3 MB/s
4K Read 8.4
4K Write 11
4K Mixed 7.2
650% 8.87 MB/s
DQ Read 9
DQ Write 12.1
DQ Mixed 8.5
734% 9.87 MB/s
38GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 18 36 39 56 80 115 MB/s
43.7% Average
Read 100
Write 11.5
Mixed 5.2
SusWrite 57.2
46% 43.5 MB/s
4K Read 4.4
4K Write 5.1
4K Mixed 5.1
363% 4.87 MB/s
27GB free (System drive), PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 7 8.6 9 3.9 7.7 8.4 MB/s
13.8% Very poor
Read 10
Write 17.4
Mixed 0.2
SusWrite 7.4
12% 8.75 MB/s
4K Read 2.5
4K Write 3.3
4K Mixed 2.1
193% 2.63 MB/s
27GB free (System drive), PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 6.7 6.1 5.1 2 6.3 MB/s
13.2% Very poor
Read 9.8
Write 3.2
Mixed 18.8
SusWrite 5.9
13% 9.43 MB/s
4K Read 2.6
4K Write 3.2
4K Mixed 1.6
173% 2.47 MB/s
24GB free (System drive), PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 0.8 1.4 1.8 0.9 1.3 0.5 MB/s
6.08% Terrible
Read 1.3
Write 8.3
Mixed 20.7
SusWrite 1.1
12% 7.85 MB/s
4K Read 3.1
4K Write 1.6
4K Mixed 0
66% 1.57 MB/s
26GB free (System drive), PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 11 15 13 16 10 MB/s
4.52% Terrible
Read 9
Write 19.2
Mixed 13.5
SusWrite 13
20% 13.7 MB/s
4K Read 0.3
4K Write 0.1
4K Mixed 0.8
32% 0.4 MB/s
1,065 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
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AMD Ryzen 5 2600 $159Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $80
AMD Ryzen 5 1600 $115Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $93
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $95SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $711SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $100SanDisk Ultra Fit 32GB $12
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