TEST: LinkMore NR770 Pro 250GB USB flash drive

Technical data
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Manufacturer	LinkMore
Model number	LM-NR770P-250GB
Storage capacity	250 GB (233 GiB)
pSLC-Cache	24 GB approx.
Read speed	1000 MB/s
Write speed	800 MB/s
Connection	USB Typ A
Price	ca. 40 USD (= 0,16 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

86 %

Write speed

84 %

*) 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 1012 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	856,31 MB/s	812,62 MB/s
4K in megabytes per second	36,99 MB/s	92,28 MB/s
4K-64Thrd in megabytes per second	223,92 MB/s	302,33 MB/s
Access time in milliseconds	0,057 ms	0,037 ms
Score	347	476
Total score	1012

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 October 16, 2024 shows the performance for simultaneous write and read operations. The lower the duration, the better the performance.

Compression Performance Test

This measures the write and read speed of the the LinkMore USB flash driveSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 1000MB/s and 800MB/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	933,82	863,95
SEQ1M Q1T1	672,70	820,37
RND4K Q32T16	259,63	351,46
RND4K Q1T1	38,05	101,06

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. 24 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 430 MB/s and written with 351 MB/s.

HD Tune Pro Benchmark

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

The benchmark test was performed on October 16, 2024.
Information about the test system can be found at the bottom of the home page.
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