TEST: fanxiang S660 500GB M.2 SSD

Technical data
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Manufacturer	fanxiang
Model number	FX-S660-500GB
Storage capacity	500 GB (466 GiB)
pSLC-Cache	62 GB approx.
Read speed	4800 MB/s
Write speed	2650 MB/s
Interface	PCIe 4.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	no
TBW (Total Bytes Written)	350 Terabyte
Price	ca. 38 AUD (= 0,08 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

66 %

Write speed

45 %

*) 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 3527 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	4304,52 MB/s	2440,52 MB/s
4K in megabytes per second	58,03 MB/s	167,91 MB/s
4K-64Thrd in megabytes per second	873,62 MB/s	1136,04 MB/s
Access time in milliseconds	0,023 ms	0,408 ms
Score	1362	1548
Total score	3527

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 December 18, 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	1968,46 MB/s	1,17 s
Program many small files	1136,07 MB/s	6,20 s
Game small and large files	1910,82 MB/s	3,62 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 4800MB/s and 2650MB/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	4938,93	2582,93
SEQ1M Q1T1	4555,21	2596,23
RND4K Q32T16	1418,86	1381,61
RND4K Q1T1	68,19	173,96