TEST: Patriot P320 256GB M.2 SSD

Technical data
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Manufacturer	Patriot
Model number	P320P256GM28
Storage capacity	256 GB (238 GiB)
pSLC-Cache	40 GB approx.
Read speed	2200 MB/s
Write speed	1200 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	no
TBW (Total Bytes Written)	120 Terabyte
Controller	Maxio MAP1202
Price	ca. 20 USD (= 0,08 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

100 %

Write speed

100 %

*) 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 1731 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	2842,08 MB/s	1246,30 MB/s
4K in megabytes per second	50,64 MB/s	145,81 MB/s
4K-64Thrd in megabytes per second	318,05 MB/s	535,70 MB/s
Access time in milliseconds	0,026 ms	0,729 ms
Score	653	806
Total score	1731

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 26, 2025 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	1638,48 MB/s	1,40 s
Program many small files	1116,07 MB/s	6,31 s
Game small and large files	1165,25 MB/s	5,93 s

Compression Performance Test

This measures the write and read speed of the Patriot SSD, depending on the compressibility of the data (according to the manufacturer, these should be 2200 MB/s and 1200 MB/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	3167,95	1322,64
SEQ1M Q1T1	2463,71	1325,64
RND4K Q32T16	338,95	727,82
RND4K Q1T1	60,93	165,71

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. 40 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 1794 MB/s and written with 421 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 5 GB file to the Patriot 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 Patriot M.2 SSD. The I/O block size varies (from 512 bytes to 64 megabytes). The larger the blocks, the faster they were written and read.

SSD-Z Benchmark

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

The benchmark test was performed on March 26, 2025.
Information about the test system can be found at the bottom of the home page.
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