Technical data | |
Image | |
Manufacturer | Lexar |
Model number | LJDM45-64GABSL |
Storage capacity | 64 GB (60 GiB) |
Read speed | 250 MB/s |
Write speed | 40 MB/s |
Connection | USB Typ A |
Price | ca. 20 USD (= 0,31 $ / GB) |
Paid link | Buy on Amazon |
The standard test was performed using a 1 GB file. A total score of 122 points was achieved.
AS SSD | Read: | Write: |
---|---|---|
Seq in megabytes per second |
254,50 MB/s |
47,49 MB/s |
4K in megabytes per second |
15,96 MB/s |
16,12 MB/s |
4K-64Thrd in megabytes per second |
16,75 MB/s |
16,31 MB/s |
Access time in milliseconds |
0,119 ms |
0,437 ms |
Score | 58 |
37 |
Total score | 122 |
A common everyday situation is simulated here. Three test folders are created:
The three folders are copied using the Windows Copy command (the cache remains enabled). The practical test of February 26, 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 |
45,59 MB/s |
23,56 s |
Program many small files |
34,34 MB/s |
40,97 s |
Game small and large files |
43,46 MB/s |
31,78 s |
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 250MB/s and 40MB/s respectively).
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 |
266,68 |
45,22 |
SEQ1M Q1T1 |
267,44 |
50,03 |
RND4K Q32T16 |
19,13 |
19,71 |
RND4K Q1T1 |
16,98 |
15,88 |
CDM | Read [IOPS] | Write [IOPS] |
---|---|---|
SEQ1M Q8T1 |
254,30 |
43,10 |
SEQ1M Q1T1 |
255,00 |
47,70 |
RND4K Q32T16 |
4.670,40 |
4.812,00 |
RND4K Q1T1 |
4.145,00 |
3.876,00 |
CDM | Read [µs] | Write [µs] |
---|---|---|
SEQ1M Q8T1 |
31.322,90 |
184.136,00 |
SEQ1M Q1T1 |
3.918,17 |
18.311,30 |
RND4K Q32T16 |
88.372,30 |
105.108,00 |
RND4K Q1T1 |
241,03 |
257,74 |
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.
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.
Information about the test system can be found at the bottom of the home page.
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