TEST: Mushkin Element 256GB M.2 SSD

Technical data
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Manufacturer	Mushkin
Model number	MKNSSDEV256GB-D8
Storage capacity	256 GB (238 GiB)
pSLC-Cache	32 GB approx.
Read speed	2000 MB/s
Write speed	1400 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	no
Controller	Silicon Motion SM2263XT
Price	ca. 23 AUD (= 0,09 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

55 %

Write speed

42 %

*) 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 2502 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	1929,56 MB/s	1088,02 MB/s
4K in megabytes per second	46,43 MB/s	170,56 MB/s
4K-64Thrd in megabytes per second	775,91 MB/s	718,13 MB/s
Access time in milliseconds	0,023 ms	0,567 ms
Score	1015	997
Total score	2502

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	1432,80 MB/s	1,60 s
Program many small files	987,72 MB/s	7,13 s
Game small and large files	1010,93 MB/s	6,83 s

Compression Performance Test

Here, the writing and reading speed of the the Mushkin SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 2000MB/s and 1400MB/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	2007,57	1131,16
SEQ1M Q1T1	1912,15	1141,22
RND4K Q32T16	827,83	865,37
RND4K Q1T1	65,91	189,25