TEST: Transcend JetFlash 700 128GB USB flash drive

Technical data
Image
Manufacturer	Transcend
Model number	TS128GJF700
Storage capacity	128 GB (113 GiB)
Read speed	70 MB/s
Write speed	30 MB/s
Connection	USB Typ A
Price	ca. 11 AUD (= 0,09 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

14 %

Write speed

7 %

*) 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 54 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	145,98 MB/s	59,34 MB/s
4K in megabytes per second	8,64 MB/s	0,48 MB/s
4K-64Thrd in megabytes per second	7,90 MB/s	0,48 MB/s
Access time in milliseconds	0,844 ms	9,492 ms
Score	31	7
Total score	54

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 December 07, 2020 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	50,97 MB/s	21,07 s
Program many small files	10,29 MB/s	136,73 s
Game small and large files	33,27 MB/s	41,51 s

Compression Performance Test

Here, the writing and reading speed of the the Transcend USB flash driveSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 70MB/s and 30MB/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	152,85	48,11
SEQ1M Q1T1	153,21	46,75
RND4K Q32T16	18,57	2,24
RND4K Q1T1	13,86	0,18