TEST: KIOXIA EXCERIA PLUS G2 500GB M.2 SSD

Technical data
Image
Manufacturer	KIOXIA
Model number	LRD20Z500GG8
Storage capacity	500 GB (466 GiB)
Read speed	3400 MB/s
Write speed	3200 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	✓ yes
TBW (Total Bytes Written)	200 Terabyte
Controller	Phison PS5012-E12S
Price	ca. 64 USD (= 0,13 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

94 %

Write speed

97 %

*) 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 6506 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	2986,88 MB/s	3072,00 MB/s
4K in megabytes per second	53,18 MB/s	174,06 MB/s
4K-64Thrd in megabytes per second	1633,61 MB/s	3016,09 MB/s
Access time in milliseconds	0,027 ms	0,127 ms
Score	1985	3497
Total score	6506

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 22, 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	1943,47 MB/s	1,18 s
Program many small files	1213,71 MB/s	5,80 s
Game small and large files	1853,01 MB/s	3,73 s

Compression Performance Test

This measures the write and read speed of the KIOXIA SSD, depending on the compressibility of the data (according to the manufacturer, these should be 3400 MB/s and 3200 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	3454,29	3237,75
SEQ1M Q1T1	2231,68	3167,95
RND4K Q32T16	2748,31	2444,46
RND4K Q1T1	53,10	161,22

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 5 GB file to the KIOXIA M.2 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 KIOXIA M.2 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 KIOXIA M.2 SSD here. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on November 22, 2021.
Information about the test system can be found at the bottom of the home page.
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