TEST: Kingston NV2 250GB M.2 SSD

Technical data
Image
Manufacturer	Kingston
Model number	SNV2S/250G
Storage capacity	250 GB (233 GiB)
pSLC-Cache	70 GB approx.
Read speed	3000 MB/s
Write speed	1300 MB/s
Interface	PCIe 4.0 x4
Connection	M.2 2280
Memory module (NAND)	TLC
DRAM Cache	no
TBW (Total Bytes Written)	80 Terabyte
Controller	Phison PS5021-E21T
Price	ca. 29 USD (= 0,12 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

51 %

Write speed

65 %

*) 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 2364 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	2963,72 MB/s	1649,44 MB/s
4K in megabytes per second	53,78 MB/s	158,68 MB/s
4K-64Thrd in megabytes per second	414,28 MB/s	932,80 MB/s
Access time in milliseconds	0,022 ms	0,524 ms
Score	764	1256
Total score	2364

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 19, 2022 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	1812,37 MB/s	1,27 s
Program many small files	1216,76 MB/s	5,79 s
Game small and large files	1660,19 MB/s	4,16 s

Compression Performance Test

This measures the write and read speed of the Kingston SSD, depending on the compressibility of the data (according to the manufacturer, these should be 3000 MB/s and 1300 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	3294,28	1758,18
SEQ1M Q1T1	2618,98	1762,82
RND4K Q32T16	436,27	1037,19
RND4K Q1T1	63,18	166,80

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. 70 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 1778 MB/s and written with 512 MB/s.

HD Tune Pro Benchmark

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

The benchmark test was performed on November 19, 2022.
Information about the test system can be found at the bottom of the home page.
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