Average Bench: 25.4% (143rd of 639)

Based on 4,422 user benchmarks.  Device: VID 0781 PID 5581 Models: SanDisk SanDisk Ultra, SanDisk Ultra
Poor: 9%Average: 25.4% Great: 39%

Very poor average bench

The SanDisk Ultra USB 3.0 64GB averaged 74.6% 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 1.97MB/s
Avg. 4K Random Write Speed 1.55MB/s

Good consistency

The range of scores (95th - 5th percentile) for the SanDisk Ultra USB 3.0 64GB is 29.8%. This is a relatively narrow range which indicates that the SanDisk Ultra USB 3.0 64GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 27.9MB/s
Avg. 4K Random Read Speed 4.72MB/s
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Average Bench

(Based on 4,422 samples)
Min Avg Max
25.5 Read 92.6 158
10 Write 38.3 66.7
10.3 Mixed 41.9 82
9.6 SusWrite 27.9 48.1
58.8% 50.2 MB/s
Min Avg Max
2.4 4K Read 4.72 6.7
0.3 4K Write 1.55 2.4
0.4 4K Mixed 1.97 3.2
137% 2.75 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
57GB free, PID 5581
Operating at USB 3.0 Speed
SusWrite @10s intervals: 61 55 21 24 23 20 MB/s
Read 160
Write 52.5
Mixed 71.3
SusWrite 34
90% 79.3 MB/s
4K Read 6.6
4K Write 1.7
4K Mixed 1.6
137% 3.3 MB/s
42GB free, PID 5581
Operating at USB 2.1 Speed
SusWrite @10s intervals: 11 7.3 8.1 11 11 11 MB/s
Read 36.7
Write 17.3
Mixed 15
SusWrite 10
23% 19.8 MB/s
4K Read 3.3
4K Write 1.3
4K Mixed 2.5
142% 2.37 MB/s
50GB free, PID 5581
Operating at USB 2.1 Speed
SusWrite @10s intervals: 13 26 27 26 27 27 MB/s
Read 29.3
Write 25.8
Mixed 23.1
SusWrite 24.4
34% 25.6 MB/s
4K Read 3.6
4K Write 0.6
4K Mixed 1
68% 1.73 MB/s
19GB free, PID 5581
Operating at USB 2.1 Speed
SusWrite @10s intervals: 18 15 18 19 19 18 MB/s
Read 32.8
Write 15.8
Mixed 15.8
SusWrite 17.8
25% 20.5 MB/s
4K Read 3.4
4K Write 0.9
4K Mixed 2.2
118% 2.17 MB/s
57GB free, PID 5581
Operating at USB 2.1 Speed
SusWrite @10s intervals: 13 13 13 13 13 14 MB/s
Read 19.7
Write 14.5
Mixed 16.2
SusWrite 13.2
21% 15.9 MB/s
4K Read 1.1
4K Write 0.8
4K Mixed 0.7
55% 0.87 MB/s
4,422 MORE »

 Prices

AmazonUS $189 mins
BHPhotoUS $2512 hrs
NeweggUS $785 hrs
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How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

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USB Flash Drive Rankings (Price vs Performance) September 2018 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 i7-8700K $370Nvidia GTX 1070 $349Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $269Samsung 850 Evo 500GB $115
Intel Core i5-8600K $260AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $145SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $155SanDisk Ultra Fit 32GB $11
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