TEST: Transcend ESD380C Portable SSD 2TB external SSD

Technical data
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Manufacturer	Transcend
Model number	TS2TESD380C
Storage capacity	2048 GB (1863 GiB)
pSLC-Cache	190 GB approx.
Read speed	2000 MB/s
Write speed	2000 MB/s
Interface	USB 3.2 Gen 2x2 (20 Gbit/s)
Connection	USB Typ C
Price	ca. 156 USD (= 0,08 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

100 %

Write speed

89 %

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

AS SSD Benchmark

Standard performance test

The standard test was performed using a 5 GB file. A total score of 1282 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	1909,39 MB/s	1666,70 MB/s
4K in megabytes per second	23,27 MB/s	79,25 MB/s
4K-64Thrd in megabytes per second	256,61 MB/s	330,84 MB/s
Access time in milliseconds	0,048 ms	0,677 ms
Score	471	577
Total score	1282

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 November 21, 2023 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	898,58 MB/s	2,56 s
Program many small files	138,84 MB/s	50,70 s
Game small and large files	515,39 MB/s	13,40 s

Compression Performance Test

This measures the write and read speed of the SSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 2000MB/s and 2000MB/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	2076,95	1861,34
SEQ1M Q1T1	1875,98	1705,19
RND4K Q32T16	251,47	376,49
RND4K Q1T1	28,51	85,37

HD Tune Pro Endurance test

This is a long term test to make full use of the memory capacity. You can see when a cache is full and the writing performance decreases. A test file of 200 GB was written to the medium. After approx. 190 GB, the pSLC-Cache was full and the performance was throttled.
At least the test file could be read with an average write speed of 1959 MB/s and written with 1149 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 5 GB file to the Transcend external SSD. 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 Transcend external SSD . 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 Transcend external SSD here. is written. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on November 21, 2023.
Information about the test system can be found at the bottom of the home page.
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