TEST: ADATA XPG Gammix S11 Pro 256GB M.2 SSD

Technical data
Image
Manufacturer	ADATA
Model number	AGAMMIXS11P-256GT-C
Storage capacity	256 GB (238 GiB)
Read speed	3350 MB/s
Write speed	1150 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	✓ yes
TBW (Total Bytes Written)	160 Terabyte
Controller	Silicon Motion SM2262EN
Price	ca. 45 USD (= 0,18 $ / GB)
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Compared to the top performer*

Read speed

92 %

Write speed

52 %

*) 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 2396 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	2945,79 MB/s	1182,64 MB/s
4K in megabytes per second	51,83 MB/s	161,21 MB/s
4K-64Thrd in megabytes per second	669,39 MB/s	654,67 MB/s
Access time in milliseconds	0,023 ms	0,023 ms
Score	1016	934
Total score	2396

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 July 18, 2021 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	1483,58 MB/s	0,72 s
Program many small files	1216,99 MB/s	1,16 s
Game small and large files	1948,86 MB/s	0,71 s

Compression Performance Test

Here, the writing and reading speed of the the ADATA SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 3350MB/s and 1150MB/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	3299,03	640,24
SEQ1M Q1T1	2812,45	539,79
RND4K Q32T16	521,59	459,24
RND4K Q1T1	48,17	178,55

HD Tune Pro Endurance test

A long-term test was performed here 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 ADATA 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 ADATA 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 ADATA M.2 SSD here. is written. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on July 18, 2021.
Information about the test system can be found at the bottom of the home page.
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