TEST: Crucial X6 2TB external SSD

Technical data
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Manufacturer	Crucial
Model number	CT2000X6SSD9
Storage capacity	2048 GB (1861 GiB)
pSLC-Cache	>300 GB approx.
Read speed	800 MB/s
Write speed	800 MB/s
Interface	USB 3.2 Gen 2x1 (10 Gbit/s)
Connection	USB Typ C
Price	ca. 108 USD (= 0,05 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

40 %

Write speed

39 %

*) 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 5 GB file. A total score of 959 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	750,88 MB/s	762,44 MB/s
4K in megabytes per second	21,08 MB/s	88,97 MB/s
4K-64Thrd in megabytes per second	169,57 MB/s	383,80 MB/s
Access time in milliseconds	0,116 ms	0,215 ms
Score	266	549
Total score	959

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 11, 2022 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	714,98 MB/s	3,21 s
Program many small files	154,73 MB/s	45,49 s
Game small and large files	363,80 MB/s	18,99 s

Compression Performance Test

This measures the write and read speed of the SSD is measured depending on the compressibility of the data (according to the manufacturer, these should be 800MB/s and 800MB/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	827,51	817,70
SEQ1M Q1T1	537,38	789,05
RND4K Q32T16	175,43	485,48
RND4K Q1T1	32,94	99,84

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 300 GB was written to the medium. The exact cache size could not be determined, because the test file did not exhaust the cache (brought it to the limit).At least the test file could be read with an average write speed of 803 MB/s and written with 777 MB/s.

HD Tune Pro Benchmark

HD Tune writes a 5 GB file to the Crucial external 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 Crucial external 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 Crucial external SSD here. is written. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on November 11, 2022.
Information about the test system can be found at the bottom of the home page.
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