TEST: Lexar NS100 512GB SATA SSD

Technical data
Image
Manufacturer	Lexar
Model number	LNS100-512
Storage capacity	512 GB (477 GiB)
pSLC-Cache	150 GB approx.
Read speed	550 MB/s
Write speed	450 MB/s
Interface	SATA 6 Gbps
Connection	2.5"
Memory module (NAND)	TLC
TBW (Total Bytes Written)	256 Terabyte
Controller	Marvell 88NV1120
Price	ca. 34 USD (= 0,07 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

96 %

Write speed

91 %

*) 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 670 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	500,67 MB/s	428,65 MB/s
4K in megabytes per second	31,43 MB/s	71,52 MB/s
4K-64Thrd in megabytes per second	176,91 MB/s	156,18 MB/s
Access time in milliseconds	0,168 ms	0,258 ms
Score	258	271
Total score	670

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 09, 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	873,48 MB/s	1,23 s
Program many small files	1266,40 MB/s	1,11 s
Game small and large files	1388,30 MB/s	0,99 s

Compression Performance Test

This measures the write and read speed of the Lexar SATA SSD, depending on the compressibility of the data (according to the manufacturer, these should be 550 MB/s and 450 MB/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	529,66	442,58
SEQ1M Q1T1	508,41	433,64
RND4K Q32T16	189,71	166,78
RND4K Q1T1	33,25	74,98

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. 150 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 513 MB/s and written with 402 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the Lexar SATA 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 Lexar SATA SSD. The I/O block size varies (from 512 bytes to 64 megabytes). The larger the blocks, the faster they were written and read.

SSD-Z Benchmark

Similar to HD Tune, a 500 MB file is written to the Lexar SATA SSD here. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on December 09, 2022.
Information about the test system can be found at the bottom of the home page.
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