TEST: KIOXIA EXCERIA 960GB SATA SSD

Technical data
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Manufacturer	KIOXIA
Model number	LTC10Z960GG8
Storage capacity	960 GB (894 GiB)
pSLC-Cache	18 GB approx.
Read speed	555 MB/s
Write speed	540 MB/s
Interface	SATA 6 Gbps
Connection	2.5"
Memory module (NAND)	TLC
TBW (Total Bytes Written)	240 Terabyte
Controller	Phison PS3111-S11T
Price	ca. 68 USD (= 0,07 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

85 %

Write speed

99 %

*) 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 735 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	446,56 MB/s	444,90 MB/s
4K in megabytes per second	45,33 MB/s	75,04 MB/s
4K-64Thrd in megabytes per second	185,06 MB/s	180,45 MB/s
Access time in milliseconds	0,041 ms	0,154 ms
Score	275	300
Total score	735

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 27, 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	984,32 MB/s	1,09 s
Program many small files	1242,74 MB/s	1,13 s
Game small and large files	1313,53 MB/s	1,05 s

Compression Performance Test

This measures the write and read speed of the the KIOXIA SATA SSDSSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 555MB/s and 540MB/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	469,51	479,70
SEQ1M Q1T1	497,78	470,35
RND4K Q32T16	177,82	195,08
RND4K Q1T1	38,95	78,62

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. 18 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 443 MB/s and written with 247 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 1 GB file to the KIOXIA 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 KIOXIA 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 KIOXIA SATA SSD here. is written. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on November 27, 2023.
Information about the test system can be found at the bottom of the home page.
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