TEST: Samsung 870 EVO 250GB SATA SSD

Technical data
Image
Manufacturer	Samsung
Model number	MZ-77E250B/EU
Storage capacity	250 GB (233 GiB)
Read speed	560 MB/s
Write speed	530 MB/s
Interface	SATA 6 Gbps
Connection	2.5"
Memory module (NAND)	TLC
TBW (Total Bytes Written)	150 Terabyte
Controller	Samsung MKX (Metis S4LR059)
Price	ca. 43 AUD (= 0,17 $ / GB)
Paid link	Buy on Amazon

Compare Product

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 with a 1 GB file. A total score of 810 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	517,20 MB/s	456,71 MB/s
4K in megabytes per second	43,73 MB/s	89,80 MB/s
4K-64Thrd in megabytes per second	218,96 MB/s	184,46 MB/s
Access time in milliseconds	0,041 ms	0,038 ms
Score	314	320
Total score	810

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 January 28, 2021 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	934,25 MB/s	1,15 s
Program many small files	701,68 MB/s	2,01 s
Game small and large files	1316,48 MB/s	1,05 s

Compression Performance Test

Here, the writing and reading speed of the the Samsung SATA SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 560MB/s and 530MB/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	548,86	483,36
SEQ1M Q1T1	536,20	474,79
RND4K Q32T16	230,60	194,16
RND4K Q1T1	48,24	97,22