TEST: fanxiang S501Q 2TB M.2 SSD

Technical data
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Manufacturer	fanxiang
Model number	FX-S501Q-2TB
Storage capacity	2048 GB (1908 GiB)
pSLC-Cache	>300 GB approx.
Read speed	3500 MB/s
Write speed	2500 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	QLC
DRAM Cache	no
Controller	Maxio MAP1202
Price	ca. 113 AUD (= 0,06 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

98 %

Write speed

78 %

*) 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 3377 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	3221,22 MB/s	2585,81 MB/s
4K in megabytes per second	52,72 MB/s	154,41 MB/s
4K-64Thrd in megabytes per second	984,45 MB/s	930,40 MB/s
Access time in milliseconds	0,026 ms	0,577 ms
Score	1359	1343
Total score	3377

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 February 06, 2024 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	2457,31 MB/s	0,94 s
Program many small files	1181,28 MB/s	5,96 s
Game small and large files	2030,87 MB/s	3,40 s

Compression Performance Test

Here, the writing and reading speed of the the fanxiang SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 3500MB/s and 2500MB/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	3654,67	2705,26
SEQ1M Q1T1	1926,38	2552,87
RND4K Q32T16	893,33	1174,79
RND4K Q1T1	56,49	173,70