TEST: Western Digital WD Green SN350 2TB M.2 SSD

Technical data
Image
Manufacturer	Western Digital
Model number	WDS200T3G0C
Storage capacity	2048 GB (1863 GiB)
Read speed	3200 MB/s
Write speed	3000 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	QLC
DRAM Cache	no
TBW (Total Bytes Written)	100 Terabyte
Controller	WD 20-82-01008-A2
Price	ca. 103 USD (= 0,05 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

94 %

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 5 GB file. A total score of 3671 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	3090,69 MB/s	2828,23 MB/s
4K in megabytes per second	32,09 MB/s	158,74 MB/s
4K-64Thrd in megabytes per second	680,63 MB/s	1693,48 MB/s
Access time in milliseconds	0,023 ms	0,125 ms
Score	1022	2135
Total score	3671

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 March 07, 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	1809,17 MB/s	1,27 s
Program many small files	1228,13 MB/s	5,73 s
Game small and large files	1848,99 MB/s	3,74 s

Compression Performance Test

This measures the write and read speed of the the Western Digital SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 3200MB/s and 3000MB/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	3515,15	3147,91
SEQ1M Q1T1	2568,75	2864,50
RND4K Q32T16	835,89	1822,43
RND4K Q1T1	39,36	173,87

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 Western Digital 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 Western Digital M.2 SSD . The I/O block size varies (from 512 bytes to 64 megabytes). The larger the blocks, the faster they can be written and read.

SSD-Z Benchmark

Similar to HD Tune, a 500 MB file is written to the Western Digital M.2 SSD here. is written. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on March 07, 2022.
Information about the test system can be found at the bottom of the home page.
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