TEST
YOUR USB

SanDisk SDCZ88-128G (Flash)

Extreme Pro USB 3.0 128GB

Average Bench: 81.4% (6th of 639)

Based on 1,435 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 23%Average: 81.4% Great: 123%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 18.6% 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 12MB/s
Avg. 4K-64Thread Mixed IO Speed 9.39MB/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. Sequential Mixed IO Speed 46.6MB/s
Avg. 4K Random Read Speed 8.63MB/s
ADVERTISEMENT

Average Bench

(Based on 1,435 samples)
Rank 681.4%
Min Avg Max
25.7 Read 162 251
7.99 Write 98.9 215
2 Mixed 46.6 122
11.3 SusWrite 128 229
137% 109 MB/s
Min Avg Max
2.89 4K Read 8.63 12.4
1.1 4K Write 9.12 11.7
3.4 4K Mixed 7.01 8.8
581% 8.25 MB/s
Min Avg Max
8.8 DQ Read 10.9 12.8
10.5 DQ Write 12 12.7
7.5 DQ Mixed 9.39 10.6
768% 10.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
22GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 221 220 220 224 223 223 MB/s
123% Outstanding
Read 244
Write 207
Mixed 73.6
SusWrite 222
242% 187 MB/s
4K Read 11.7
4K Write 11.8
4K Mixed 8.3
727% 10.6 MB/s
DQ Read 12
DQ Write 12.7
DQ Mixed 10.5
834% 11.7 MB/s
119GB free, PID 5588
Operating at USB 2.1 Speed
SusWrite @10s intervals: 31 37 40 41 40 41 MB/s
45.6% Average
Read 50.5
Write 40.5
Mixed 11.2
SusWrite 38.2
44% 35.1 MB/s
4K Read 11.2
4K Write 8.9
4K Mixed 7.6
603% 9.23 MB/s
DQ Read 10
DQ Write 12.3
DQ Mixed 9.1
765% 10.5 MB/s
1,435 MORE »

 Prices

If you buy via one of these links, our site may earn a commission

BHPhotoUS $606 years
AmazonUS $1828 mins
Send price feedback
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
USB Flash Drive Rankings (Price vs Performance) April 2024 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]

ADVERTISEMENT

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
9,838

Disliked (edit your comment) Add link

14 months ago.

IND-User
Avatar level
4,780

Excellent

4 years ago.

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

FRA-User
Avatar level
4,573

Excellent

2 years ago.

got it for 5 years and still totally satisfied great product

hellcinder
Avatar level
14

Excellent

3 years ago.

Best speeds for xfering data on a thumb drive.

TheGrumpybear
Avatar level
14

Excellent

3 years ago.

does what it says on the box :D

Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 10 years

Speed Comparisons

vs SanDisk Extreme 64GB
vs SanDisk Extreme 32GB
vs SanDisk Ultra Fit 32GB
vs SanDisk Extreme 16GB
vs Lexar JumpDrive P20 64GB
vs Adata DashDrive UV128 32GB
vs SanDisk Ultra Fit 16GB
vs Corsair Flash Voyager GT 32GB
vs Lexar JumpDrive P20 32GB

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
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
USB Flash Drives
How do you install an OS from a USB flash drive?
What is the Flash Drive value for money rating?
What is effective USB Flash Drive speed?
Why should USB 2.0 Flash Drives be avoided?
File system considerations?
Do dimensions matter?
What are the main factors to look out for?
16GB USB Flash Drives
Why is bigger better?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback