TEST: Lexar Jumpdrive E32c 64GB USB flash drive

Technical data
Image
Manufacturer	Lexar
Model number	LJDE32C064G-BNQEU
Storage capacity	64 GB (58 GiB)
Read speed	100 MB/s
Write speed	30 MB/s
Connection	USB Typ C
Price	ca. 15 USD (= 0,23 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

37 %

Write speed

17 %

*) 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 1 GB file. A total score of 43 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	127,25 MB/s	15,13 MB/s
4K in megabytes per second	7,84 MB/s	0,37 MB/s
4K-64Thrd in megabytes per second	7,60 MB/s	0,38 MB/s
Access time in milliseconds	0,565 ms	9,235 ms
Score	28	2
Total score	43

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 15, 2022 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	10,19 MB/s	105,38 s
Program many small files	6,49 MB/s	216,75 s
Game small and large files	6,50 MB/s	212,61 s

Compression Performance Test

This measures the write and read speed of the the Lexar USB flash driveSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 100MB/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	152,88	35,55
SEQ1M Q1T1	153,15	0,63
RND4K Q32T16	20,74	1,99
RND4K Q1T1	10,08	0,00

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.

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the 64 GB Lexar 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 64 GB Lexar 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 64 GB Lexar USB flash drive here. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on December 15, 2022.
Information about the test system can be found at the bottom of the home page.
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