TEST: fanxiang S500 Pro 512GB M.2 SSD

Technical data
Image
Manufacturer	fanxiang
Model number	S500PRO512G
Storage capacity	512 GB (477 GiB)
pSLC-Cache	62 GB approx.
Read speed	3500 MB/s
Write speed	2500 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	no
TBW (Total Bytes Written)	320 Terabyte
Controller	Maxio MAP1202
Price	ca. 39 USD (= 0,08 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

95 %

Write speed

83 %

*) 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 3427 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	3218,22 MB/s	2527,57 MB/s
4K in megabytes per second	58,68 MB/s	156,28 MB/s
4K-64Thrd in megabytes per second	878,54 MB/s	1134,57 MB/s
Access time in milliseconds	0,023 ms	0,509 ms
Score	1259	1544
Total score	3427

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 24, 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	1825,43 MB/s	1,26 s
Program many small files	1213,64 MB/s	5,80 s
Game small and large files	1845,79 MB/s	3,74 s

Compression Performance Test

This measures the write and read 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	3651,09	2764,31
SEQ1M Q1T1	2858,85	2763,40
RND4K Q32T16	981,50	1413,70
RND4K Q1T1	67,92	174,75

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. A test file of 100 GB was written to the medium. After approx. 62 GB, the pSLC-Cache was full and the performance was throttled.
At least the test file could be read with an average write speed of 1716 MB/s and written with 1238 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 5 GB file to the fanxiang 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 fanxiang 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 fanxiang M.2 SSD here. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on January 24, 2023.
Information about the test system can be found at the bottom of the home page.
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