TEST: Samsung 970 PRO 512GB M.2 SSD

Technical data
Image
Manufacturer	Samsung
Model number	MZ-V7P512BW
Storage capacity	512 GB (476 GiB)
Read speed	3500 MB/s
Write speed	2300 MB/s
Interface	PCIe 3.0 x4
Connection	M.2 2280
Memory module (NAND)	MLC
DRAM Cache	✓ yes
TBW (Total Bytes Written)	600 Terabyte
Controller	Samsung Phoenix (S4LR020)
Price	ca. 174 USD (= 0,34 $ / GB)
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Compared to the top performer*

Read speed

66 %

Write speed

71 %

*) 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 4718 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	2759,55 MB/s	2184,58 MB/s
4K in megabytes per second	55,85 MB/s	153,73 MB/s
4K-64Thrd in megabytes per second	1279,84 MB/s	1928,85 MB/s
Access time in milliseconds	0,053 ms	0,120 ms
Score	1612	2301
Total score	4718

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 June 24, 2020 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	2031,94 MB/s	1,13 s
Program many small files	612,72 MB/s	11,49 s
Game small and large files	1613,60 MB/s	4,28 s

Compression Performance Test

Here, the writing and reading speed of the the Samsung SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 3500MB/s and 2300MB/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	3288,66	2333,27
SEQ1M Q1T1	2936,49	2331,22
RND4K Q32T16	1540,86	2279,59
RND4K Q1T1	60,64	181,20

HD Tune Pro Benchmark

HD Tune writes a 5 GB file to the Samsung 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 Samsung 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.

The benchmark test was performed on June 24, 2020.
Information about the test system can be found at the bottom of the home page.
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