Average Bench: 24.2% (172nd of 639)

Based on 8,373 user benchmarks.  Device: VID null PID null Model: SDXC Card
Poor: 8%Average: 24.2% Great: 45%

Very poor average bench

The SDXC Card 128GB averaged 75.8% 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 Random Mixed IO Speed 2.8MB/s
Avg. 4K Random Write Speed 2.01MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SDXC Card 128GB is 36.7%. This is a relatively wide range which indicates that the SDXC Card 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 53.7MB/s
Avg. Sequential Mixed IO Speed 33.9MB/s
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Average Bench

(Based on 8,373 samples)
Min Avg Max
18 Read 53.7 89.5
9.9 Write 38.1 78.3
7 Mixed 33.9 64.6
11.7 SusWrite 39.9 80.2
53.9% 41.4 MB/s
Min Avg Max
2.05 4K Read 6.29 10.6
0.1 4K Write 2.01 4.4
0.3 4K Mixed 2.8 5.5
187% 3.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
114GB free, PID null
SusWrite @10s intervals: 80 80 80 80 80 80 MB/s
Read 86.9
Write 78.7
Mixed 58.7
SusWrite 79.9
102% 76.1 MB/s
4K Read 10.4
4K Write 4.6
4K Mixed 6
399% 7 MB/s
99GB free, PID null
SusWrite @10s intervals: 76 82 80 79 79 80 MB/s
Read 80.9
Write 73.1
Mixed 63.6
SusWrite 79.2
100% 74.2 MB/s
4K Read 7.9
4K Write 4.4
4K Mixed 5.2
356% 5.83 MB/s
117GB free, PID null
SusWrite @10s intervals: 59 59 57 56 55 55 MB/s
Read 79.4
Write 57
Mixed 53.3
SusWrite 56.7
80% 61.6 MB/s
4K Read 9
4K Write 3.3
4K Mixed 4.3
292% 5.53 MB/s
61GB free, PID null
SusWrite @10s intervals: 43 44 54 44 53 53 MB/s
Read 75.5
Write 53.2
Mixed 22.2
SusWrite 48.5
62% 49.8 MB/s
4K Read 5.9
4K Write 3.3
4K Mixed 3.4
250% 4.2 MB/s
111GB free, PID null
SusWrite @10s intervals: 34 39 39 39 36 39 MB/s
Read 40.5
Write 33.2
Mixed 27.7
SusWrite 37.6
46% 34.8 MB/s
4K Read 7.9
4K Write 3.9
4K Mixed 4.4
312% 5.4 MB/s
119GB free, PID null
SusWrite @10s intervals: 25 27 27 28 28 28 MB/s
Read 36.9
Write 17.7
Mixed 32.2
SusWrite 27.3
37% 28.5 MB/s
4K Read 7.9
4K Write 2.5
4K Mixed 3.7
240% 4.7 MB/s
119GB free, PID null
SusWrite @10s intervals: 26 26 27 25 26 27 MB/s
Read 34.3
Write 28.7
Mixed 28.1
SusWrite 26.2
39% 29.3 MB/s
4K Read 6.1
4K Write 2.3
4K Mixed 3.2
210% 3.87 MB/s
55GB free, PID null
SusWrite @10s intervals: 24 24 25 25 25 25 MB/s
Read 27.4
Write 22.2
Mixed 23.6
SusWrite 24.8
33% 24.5 MB/s
4K Read 6
4K Write 1.5
4K Mixed 2.5
158% 3.33 MB/s
119GB free, PID null
SusWrite @10s intervals: 27 27 27 27 27 27 MB/s
Read 28.6
Write 16.3
Mixed 21.7
SusWrite 27.1
31% 23.4 MB/s
4K Read 5.2
4K Write 1.3
4K Mixed 2
132% 2.83 MB/s
8,373 MORE »
How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

UserBenchmark of the month

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) September 2021 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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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

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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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