TEST: Crucial X10 Pro 1TB external SSD

Technical data
Image
Manufacturer	Crucial
Model number	CT1000X10PROSSD902
Storage capacity	1024 GB (930 GiB)
pSLC-Cache	64 GB approx.
Read speed	2100 MB/s
Write speed	2000 MB/s
Interface	USB 3.2 Gen 2x2 (20 Gbit/s)
Connection	USB Typ C
Size (LxWxH)	65 x 50 mm
Weight	42 gram
Price	ca. 91 USD (= 0,09 $ / GB)
Paid link	Buy on Amazon

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Compared to the top performer*

Read speed

56 %

Write speed

46 %

*) 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 1263 points was achieved.

AS SSD	Read:	Write:
Seq in megabytes per second	1892,44 MB/s	1410,10 MB/s
4K in megabytes per second	26,86 MB/s	79,04 MB/s
4K-64Thrd in megabytes per second	263,03 MB/s	335,12 MB/s
Access time in milliseconds	0,048 ms	0,558 ms
Score	479	555
Total score	1263

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 October 06, 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	860,41 MB/s	2,67 s
Program many small files	137,95 MB/s	51,03 s
Game small and large files	500,19 MB/s	13,81 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 2100MB/s and 2000MB/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	2072,66	1672,96
SEQ1M Q1T1	1871,85	1547,61
RND4K Q32T16	252,73	401,82
RND4K Q1T1	32,41	87,48

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. After approx. 64 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 1937 MB/s and written with 1319 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. The transfer data is displayed. The more constant the line, the better.

The benchmark test was performed on October 06, 2023.
Information about the test system can be found at the bottom of the home page.
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