TEST: SanDisk SSD Plus 480GB SATA SSD

Technical data
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Manufacturer	SanDisk
Model number	SDSSDA-480G-G26
Storage capacity	480 GB (447 GiB)
pSLC-Cache	5 GB approx.
Read speed	535 MB/s
Write speed	445 MB/s
Interface	SATA 6 Gbps
Connection	2.5"
Memory module (NAND)	TLC
TBW (Total Bytes Written)	150 Terabyte
Controller	Silicon Motion SM2256S
Price	ca. 40 USD (= 0,08 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

99 %

Write speed

96 %

*) 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 550 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	519,69 MB/s	446,98 MB/s
4K in megabytes per second	18,60 MB/s	60,06 MB/s
4K-64Thrd in megabytes per second	122,60 MB/s	149,60 MB/s
Access time in milliseconds	0,080 ms	0,267 ms
Score	193	254
Total score	550

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 September 23, 2023 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	1046,09 MB/s	1,03 s
Program many small files	692,45 MB/s	2,03 s
Game small and large files	1878,24 MB/s	0,74 s

Compression Performance Test

This measures the write and read speed of the the SanDisk SATA SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 535MB/s and 445MB/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	546,86	470,88
SEQ1M Q1T1	521,77	463,33
RND4K Q32T16	229,72	160,19
RND4K Q1T1	29,00	63,70

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. 5 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 529 MB/s and written with 221 MB/s.

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.

SSD-Z Benchmark

Similar to HD Tune, a 500 MB file is written to the SanDisk SATA SSD here. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on September 23, 2023.
Information about the test system can be found at the bottom of the home page.
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