TEST: Western Digital WD_BLACK SN750 500GB M.2 SSD

Technical data
Image
Manufacturer	Western Digital
Model number	WDS500G3X0C-00SJG0
Storage capacity	500 GB (466 GiB)
Read speed	3430 MB/s
Write speed	2900 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	✓ yes
TBW (Total Bytes Written)	300 Terabyte
Controller	WD 20-82-007011
Price	ca. 107 AUD (= 0,21 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

90 %

Write speed

81 %

*) 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 3482 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	3015,03 MB/s	2541,66 MB/s
4K in megabytes per second	47,84 MB/s	178,78 MB/s
4K-64Thrd in megabytes per second	1031,95 MB/s	976,85 MB/s
Access time in milliseconds	0,023 ms	0,106 ms
Score	1381	1410
Total score	3482

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 23, 2020 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	1893,59 MB/s	1,21 s
Program many small files	748,30 MB/s	9,41 s
Game small and large files	1156,03 MB/s	5,98 s

Compression Performance Test

Here, the writing and reading speed of the the Western Digital SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 3430MB/s and 2900MB/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	3434,07	2712,76
SEQ1M Q1T1	2267,79	2710,70
RND4K Q32T16	1467,12	1397,79
RND4K Q1T1	47,27	208,99