Average Bench: 24.8% (159th of 639)

Based on 7,298 user benchmarks.  Device: VID 0781 PID 5591 Model: SanDisk Ultra USB 3.0
Poor: 11%Average: 24.8% Great: 39%

Very poor average bench

The SanDisk Ultra Flair USB 3.0 32GB averaged 75.1% 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 Mixed IO Speed 2.67MB/s
Avg. 4K Random Write Speed 2.45MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra Flair USB 3.0 32GB is 27.8%. This is a relatively narrow range which indicates that the SanDisk Ultra Flair USB 3.0 32GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 23.1MB/s
Avg. Sequential Read Speed 76.5MB/s
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Average Bench

(Based on 7,298 samples)
Min Avg Max
26.9 Read 76.5 159
14.6 Write 39.1 99.4
15 Mixed 44.8 108
11.6 SusWrite 23.1 37.3
55.6% 45.9 MB/s
Min Avg Max
2.8 4K Read 4.96 6.8
0.5 4K Write 2.45 3.8
0.8 4K Mixed 2.67 4.4
193% 3.36 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
7GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 84 13 15 18 20 20 MB/s
Read 143
Write 103
Mixed 111
SusWrite 28.3
121% 96.4 MB/s
4K Read 5.1
4K Write 3.6
4K Mixed 3.7
267% 4.13 MB/s
15GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 84 9.2 18 14 20 19 MB/s
Read 140
Write 97
Mixed 106
SusWrite 27.4
116% 92.5 MB/s
4K Read 4.4
4K Write 3.2
4K Mixed 3.2
234% 3.6 MB/s
14GB free, PID 5591
Operating at USB 3.0 Speed
SusWrite @10s intervals: 83 14 15 18 19 20 MB/s
Read 132
Write 86.2
Mixed 95.6
SusWrite 28.3
106% 85.5 MB/s
4K Read 3.8
4K Write 3
4K Mixed 3.3
228% 3.37 MB/s
25GB free, PID 5591
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 26 23 13 14 MB/s
Read 37.3
Write 26.6
Mixed 29.2
SusWrite 21.6
37% 28.7 MB/s
4K Read 4.9
4K Write 3.8
4K Mixed 3.7
273% 4.13 MB/s
24GB free, PID 5591
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 27 23 14 14 MB/s
Read 37.4
Write 26.5
Mixed 29.6
SusWrite 21.8
38% 28.8 MB/s
4K Read 5.2
4K Write 3.5
4K Mixed 4.3
285% 4.33 MB/s
4GB free, PID 5591
Operating at USB 2.1 Speed
SusWrite @10s intervals: 25 26 25 19 8.1 12 MB/s
Read 37.8
Write 26
Mixed 28.9
SusWrite 19.2
36% 28 MB/s
4K Read 4.6
4K Write 3.4
4K Mixed 3.9
265% 3.97 MB/s
29GB free, PID 5591
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 24 25 25 15 13 MB/s
Read 31.6
Write 23.9
Mixed 26.7
SusWrite 20.9
34% 25.8 MB/s
4K Read 4.8
4K Write 3.5
4K Mixed 3.9
270% 4.07 MB/s
24GB free, PID 5591
Operating at USB 2.1 Speed
SusWrite @10s intervals: 11 11 15 13 14 12 MB/s
Read 22.6
Write 18.2
Mixed 19.4
SusWrite 12.8
24% 18.3 MB/s
4K Read 0.6
4K Write 0.5
4K Mixed 0.4
33% 0.5 MB/s
7,298 MORE »

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USB Flash Drive Rankings (Price vs Performance) October 2020 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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  • 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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 Frequently Asked Questions

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Intel Core i5-10600K $275Nvidia GTX 1650S (Super) $170Samsung 860 Evo 250GB $49
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Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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