TEST: SanDisk SSD Plus 240GB SATA SSD

Technical data
Image
Manufacturer	SanDisk
Model number	SDSSDA-240G-G26
Storage capacity	240 GB (224 GiB)
Read speed	530 MB/s
Write speed	440 MB/s
Interface	SATA 6 Gbps
Connection	2.5"
Memory module (NAND)	TLC
DRAM Cache	no
TBW (Total Bytes Written)	128 Terabyte
Controller	Silicon Motion SM2256S
Price	ca. 20 USD (= 0,08 $ / GB)
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Compared to the top performer*

Read speed

97 %

Write speed

89 %

*) 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 397 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	506,54 MB/s	406,39 MB/s
4K in megabytes per second	17,20 MB/s	37,84 MB/s
4K-64Thrd in megabytes per second	89,63 MB/s	78,50 MB/s
Access time in milliseconds	1,183 ms	0,767 ms
Score	157	157
Total score	397

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 30, 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	531,78 MB/s	2,02 s
Program many small files	492,82 MB/s	2,86 s
Game small and large files	1520,87 MB/s	0,91 s

Compression Performance Test

Here, the writing and reading speed of the the SanDisk SATA SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 530MB/s and 440MB/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	540,48	348,01
SEQ1M Q1T1	453,81	339,82
RND4K Q32T16	123,53	114,88
RND4K Q1T1	22,78	41,92

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the SanDisk SATA 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 SanDisk SATA 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 30, 2020.
Information about the test system can be found at the bottom of the home page.
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