TEST: Patriot Supersonic Rage Prime 250GB USB flash drive

Technical data
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Manufacturer	Patriot
Model number	PEF250GRPMW32U
Storage capacity	250 GB (233 GiB)
pSLC-Cache	62 GB approx.
Read speed	600 MB/s
Write speed	200 MB/s
Connection	USB Typ A
Price	ca. 25 USD (= 0,10 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

55 %

Write speed

28 %

*) 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 1 GB file. A total score of 607 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	388,92 MB/s	277,12 MB/s
4K in megabytes per second	26,04 MB/s	74,07 MB/s
4K-64Thrd in megabytes per second	144,22 MB/s	183,56 MB/s
Access time in milliseconds	0,100 ms	0,052 ms
Score	209	285
Total score	607

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 November 04, 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	275,47 MB/s	3,90 s
Program many small files	149,76 MB/s	9,39 s
Game small and large files	235,47 MB/s	5,86 s

Compression Performance Test

This measures the write and read speed of the Patriot USB flash drive, depending on the compressibility of the data (according to the manufacturer, these should be 600 MB/s and 200 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	595,08	289,68
SEQ1M Q1T1	386,17	288,79
RND4K Q32T16	158,56	268,71
RND4K Q1T1	38,94	80,95

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 442 MB/s and written with 47 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the 250 GB Patriot USB flash drive. 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 250 GB Patriot USB flash drive. 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 250 GB Patriot USB flash drive here. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on November 04, 2023.
Information about the test system can be found at the bottom of the home page.
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