Average Bench: 32.9% (71st of 639)

Based on 71 user benchmarks.  Device: VID 0781 PID 5591 Model: SanDisk Ultra USB 3.0
Poor: 12%Average: 32.9% Great: 42%

Poor average bench

The SanDisk Ultra Flair USB 3.0 256GB averaged 67.1% 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 Random Write Speed 1.5MB/s
Avg. 4K Random Mixed IO Speed 1.22MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra Flair USB 3.0 256GB is 30.7%. This is a relatively narrow range which indicates that the SanDisk Ultra Flair USB 3.0 256GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 4.99MB/s
Avg. Sustained Write Speed 38.7MB/s
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Average Bench

(Based on 71 samples)
Min Avg Max
27.8 Read 126 159
16 Write 47.4 63.8
17.8 Mixed 52.8 86.6
13.9 SusWrite 38.7 49.5
76.6% 66.2 MB/s
Min Avg Max
3.06 4K Read 4.99 6.73
0.38 4K Write 1.5 2
0.38 4K Mixed 1.22 1.6
111% 2.57 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
229GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 60 63 63 46 27 31 MB/s
Read 155
Write 62.7
Mixed 53.7
SusWrite 48.5
92% 80 MB/s
4K Read 5.7
4K Write 2
4K Mixed 1.5
140% 3.07 MB/s
229GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 44 54 64 59 29 23 MB/s
Read 154
Write 50.4
Mixed 57.3
SusWrite 45.3
87% 76.7 MB/s
4K Read 5.4
4K Write 1.9
4K Mixed 1.5
136% 2.93 MB/s
31GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 59 60 61 50 21 17 MB/s
Read 150
Write 49.1
Mixed 57.5
SusWrite 44.6
86% 75.2 MB/s
4K Read 5.6
4K Write 1.8
4K Mixed 1.4
130% 2.93 MB/s
32GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 62 63 59 12 50 29 MB/s
Read 128
Write 33.3
Mixed 47.4
SusWrite 45.7
72% 63.6 MB/s
4K Read 4.6
4K Write 0.4
4K Mixed 0.8
58% 1.93 MB/s
165GB free, PID 5591
Operating at USB 2.1 Speed
SusWrite @10s intervals: 19 21 17 16 16 15 MB/s
Read 32.6
Write 19.7
Mixed 17.8
SusWrite 17.2
27% 21.8 MB/s
4K Read 3
4K Write 1
4K Mixed 1.2
86% 1.73 MB/s
71 MORE »

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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.

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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.
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  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
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USB Flash Drive Rankings (Price vs Performance) August 2022 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 i5-12600K $275Nvidia RTX 3060-Ti $446Crucial MX500 250GB $35
Intel Core i5-12400F $160Nvidia RTX 3050 $292Samsung 850 Evo 120GB $106
Intel Core i7-12700K $365Nvidia RTX 3070 $538Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $58SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $33Corsair Vengeance LPX DDR4 3000 C15 2x8GB $64SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $453SanDisk Ultra Fit 32GB $16
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