TEST: Lexar JumpDrive D400 256GB USB flash drive

Here you can find a detailed performance and benchmark test of the USB flash drive JumpDrive D400 with 256GB (LJDD400256G-BNQNU) from Lexar.
Score
41
Price/GB
0,09 €


Technical data
Image JumpDrive D400
Manufacturer Lexar
Model number LJDD400256G-BNQNU
Storage capacity 256 GB (231 GiB)
Read speed 130 MB/s
Write speed not specified
Connection USB Typ A+C
Price ca. 23 USD (= 0,09 $ / GB)
Paid link Buy on Amazon
Compare Product
Compared to the top performer*
Read speed
12 %
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 41 points was achieved.

AS SSD TEST: Lexar JumpDrive D400 256GB

AS SSD Read: Write:
Seq
in megabytes per second
127,36 MB/s
41,61 MB/s
4K
in megabytes per second
5,78 MB/s
1,29 MB/s
4K-64Thrd
in megabytes per second
5,39 MB/s
1,30 MB/s
Access time
in milliseconds
0,528 ms
2,298 ms
Score
24
7
Total score
41

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 September 25, 2023 shows the performance for simultaneous write and read operations. The lower the duration, the better the performance.

AS SSD TEST: Lexar JumpDrive D400 256GB
AS SSD Copy-Benchmark Transfer rate: Duration:
ISO
two large files
41,74 MB/s
25,73 s
Program
many small files
16,47 MB/s
85,42 s
Game
small and large files
29,85 MB/s
46,26 s

Compression Performance Test

Here, the writing and reading speed of the the Lexar USB flash driveSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 130MB/s and 0MB/s respectively).

AS SSD TEST: Lexar JumpDrive D400 256GB

CrystalDiskMark Benchmark

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

CrystalDiskMark Benchmark TEST: Lexar JumpDrive D400 256GB
CDM Read [MB/s] Write [MB/s]
SEQ1M
Q8T1
128,76
76,78
SEQ1M
Q1T1
169,65
76,66
RND4K
Q32T16
13,56
2,15
RND4K
Q1T1
11,81
1,64

Input/Output operations per second

CDM Read [IOPS] Write [IOPS]
SEQ1M
Q8T1
122,80
73,20
SEQ1M
Q1T1
161,80
73,10
RND4K
Q32T16
3.309,30
525,60
RND4K
Q1T1
2.883,10
399,90

Average latency

CDM Read [µs] Write [µs]
SEQ1M
Q8T1
64.603,30
107.832,00
SEQ1M
Q1T1
6.178,12
13.646,10
RND4K
Q32T16
100.568,00
253.769,00
RND4K
Q1T1
346,64
2.496,87

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the 256 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.

HD Tune TEST: Lexar JumpDrive D400 256GB

ATTO Disk Benchmark

Here, a 256 MB file is written several times to the 256 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.

ATTO Disk Benchmark TEST: Lexar JumpDrive D400 256GB


Information about the test system can be found at the bottom of the home page.
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