TEST: Kingston DataTraveler Kyson 256GB USB flash drive

Technical data
Image
Manufacturer	Kingston
Model number	DTKN/256GB
Storage capacity	256 GB (231 GiB)
Read speed	200 MB/s
Write speed	60 MB/s
Connection	USB Typ A
Price	ca. 20 USD (= 0,08 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

27 %

Write speed

18 %

*) Test result evaluated according to AS SSD Score within the same size.

AS SSD Benchmark

Standard performance test

The standard test was performed with a 1 GB file. A total score of 100 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	269,34 MB/s	174,66 MB/s
4K in megabytes per second	11,56 MB/s	2,96 MB/s
4K-64Thrd in megabytes per second	11,92 MB/s	3,11 MB/s
Access time in milliseconds	0,357 ms	1,357 ms
Score	50	24
Total score	100

Copy Performance Test

A common everyday situation is simulated here. Three test folders are created:

• ISO (folder with two large files)
• Program (folder with many small files)
• Game (folder with small and large files)

The three folders are copied using the Windows Copy command (the cache remains enabled). The practical test of August 20, 2021 shows the performance for simultaneous write and read operations. The lower the duration, the better the performance.

AS SSD Copy-Benchmark	Transfer rate:	Duration:
ISO two large files	47,20 MB/s	22,75 s
Program many small files	21,03 MB/s	66,91 s
Game small and large files	35,15 MB/s	39,29 s

Compression Performance Test

Here, the writing and reading speed of the the Kingston USB flash driveSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 200MB/s and 60MB/s respectively).

CrystalDiskMark Benchmark

Here, two sequential and two random performance tests are performed, similar to the ones performed on the AS SSD.

CDM	Read [MB/s]	Write [MB/s]
SEQ1M Q8T1	283,91	82,99
SEQ1M Q1T1	282,18	117,10
RND4K Q32T16	16,30	3,11
RND4K Q1T1	12,82	2,75

HD Tune Pro Endurance test

A long-term test was performed here to make full use of the memory capacity. You can see when a cache is full and the writing performance decreases.

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the 256 GB Kingston USB flash drive. The transfer data of the read speed is displayed graphically. The minimum, maximum and average values are also determined. The determined access time and burst rate are also displayed.

ATTO Disk Benchmark

Here, a 256 MB file is written several times to the 256 GB Kingston USB flash drive . The I/O block size varies (from 512 bytes to 64 megabytes). The larger the blocks, the faster they can be written and read.

SSD-Z Benchmark

Similar to HD Tune, a 500 MB file is written to the 256 GB Kingston USB flash drive here. is written. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on August 20, 2021.
Information about the test system can be found at the bottom of the home page.
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