Samsung MUF-64BB/US (Flash)

FIT USB 3.0 64GB

Average Bench: 68.7% (7th of 639)

Based on 2,823 user benchmarks.  Device: VID 090c PID 1000 Model: Samsung Flash Drive FIT
Poor: 13%Average: 68.7% Great: 120%

Above average average bench

The Samsung FIT USB 3.0 64GB averaged 31.2% 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 17.2MB/s
Avg. 4K Random Write Speed 11.2MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung FIT USB 3.0 64GB is 107%. 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 29MB/s
Avg. Sequential Write Speed 30.9MB/s

Average Bench

(Based on 2,823 samples)
Min Avg Max
30.1 Read 177 294
9.22 Write 30.9 55.3
9.36 Mixed 46.5 74.8
13.8 SusWrite 29 40.9
71.9% 70.8 MB/s
Min Avg Max
2.86 4K Read 9.84 15
0.5 4K Write 11.2 22.3
1.1 4K Mixed 4.81 10.6
581% 8.62 MB/s
Min Avg Max
8.1 DQ Read 16 21.7
10.3 DQ Write 17.2 25.1
2.4 DQ Mixed 6.51 11.7
865% 13.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
60GB free, PID 1000
Operating at USB 3.1 Speed
SusWrite @10s intervals: 30 28 29 30 31 32 MB/s
Read 240
Write 29.8
Mixed 51.3
SusWrite 29.9
84% 87.8 MB/s
4K Read 6.2
4K Write 9.4
4K Mixed 3
445% 6.2 MB/s
DQ Read 15
DQ Write 19.2
DQ Mixed 5.5
896% 13.2 MB/s
60GB free, PID 1000
Operating at USB 3.1 Speed
SusWrite @10s intervals: 33 33 33 34 33 33 MB/s
Read 288
Write 33.2
Mixed 57.5
SusWrite 33.4
97% 103 MB/s
4K Read 15
4K Write 5.5
4K Mixed 4
379% 8.17 MB/s
2,823 MORE »


AmazonUS $2511 months
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USB Flash Drive Rankings (Price vs Performance) August 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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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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