Samsung MUF-64BB/US (Flash)

FIT USB 3.0 64GB

Average Bench: 66.3% (8th of 639)

Based on 2,722 user benchmarks.  Device: VID 090c PID 1000 Model: Samsung Flash Drive FIT
Poor: 14%Average: 66.3% Great: 120%

Above average average bench

The Samsung FIT USB 3.0 64GB averaged 33.6% 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.


Avg. 4K-64Thread Write Speed 16.8MB/s
Avg. 4K Random Write Speed 10.7MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung FIT USB 3.0 64GB is 106%. This is a particularly wide range which indicates that the Samsung FIT USB 3.0 64GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 28.7MB/s
Avg. Sequential Write Speed 30.6MB/s

Average Bench

(Based on 2,722 samples)
Min Avg Max
29.6 Read 171 294
8.14 Write 30.6 49.9
11.6 Mixed 45.9 75.3
14.6 SusWrite 28.7 40.6
70.5% 69.1 MB/s
Min Avg Max
3.1 4K Read 9.6 14.6
0.2 4K Write 10.7 22
0.77 4K Mixed 5.02 10.5
571% 8.45 MB/s
Min Avg Max
7.9 DQ Read 15.8 19.8
9.6 DQ Write 16.8 25
2.5 DQ Mixed 7.07 11.8
870% 13.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
16GB free, PID 1000
Operating at USB 3.0 Speed
SusWrite @10s intervals: 43 41 38 41 38 37 MB/s
Read 138
Write 86.4
Mixed 24.7
SusWrite 39.7
83% 72.1 MB/s
4K Read 5.1
4K Write 1.1
4K Mixed 2.6
145% 2.93 MB/s
59GB free, PID 1000
Operating at USB 3.0 Speed
SusWrite @10s intervals: 6.9 5.1 2.7 2.5 3.1 2.5 MB/s
Read 132
Write 47.7
Mixed 2.7
SusWrite 3.8
44% 46.6 MB/s
4K Read 4.3
4K Write 0
4K Mixed 2.4
98% 2.23 MB/s
2,722 MORE »


AmazonUS $256 months
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USB Flash Drive Rankings (Price vs Performance) March 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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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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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.

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