TEST: MSI SPATIUM M390 500GB M.2 SSD

Technical data
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Manufacturer	MSI
Model number	S78-440K070-P83
Storage capacity	500 GB (466 GiB)
pSLC-Cache	115 GB approx.
Read speed	3300 MB/s
Write speed	2300 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	no
TBW (Total Bytes Written)	200 Terabyte
Controller	Phison PS5015-E15T
Price	ca. 80 AUD (= 0,16 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

91 %

Write speed

94 %

*) 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 5 GB file. A total score of 4291 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	2987,92 MB/s	2828,42 MB/s
4K in megabytes per second	59,72 MB/s	177,53 MB/s
4K-64Thrd in megabytes per second	981,45 MB/s	1799,13 MB/s
Access time in milliseconds	0,021 ms	0,134 ms
Score	1340	2260
Total score	4291

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 January 06, 2023 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	1856,49 MB/s	1,24 s
Program many small files	1224,07 MB/s	5,75 s
Game small and large files	1810,52 MB/s	3,82 s

Compression Performance Test

Here, the writing and reading speed of the the MSI SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 3300MB/s and 2300MB/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	3480,91	3123,15
SEQ1M Q1T1	2169,28	2963,40
RND4K Q32T16	1612,98	2361,57
RND4K Q1T1	63,15	184,25