TEST
YOUR USB

Crucial_ (ExtHD)

CT256MX100SSD1 256GB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 55.5% (20th of 639)

Based on 7 user benchmarks.  Device: VID 152d PID 2329 Model: Crucial_ CT256MX100SSD1
Poor: 34%Average: 55.5% Great: 70%

Average average bench

The Crucial_ CT256MX100SSD1 256GB averaged 44.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 19.1MB/s
Avg. 4K-64Thread Mixed IO Speed 12.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial_ CT256MX100SSD1 256GB is 35.8%. This is a relatively wide range which indicates that the Crucial_ CT256MX100SSD1 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 45.9MB/s
Avg. Sequential Write Speed 33.8MB/s
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Average Bench

(Based on 7 samples)
Rank 2055.5%
Min Avg Max
32.7 Read 45.9 54.9
27.3 Write 33.8 36.4
29.8 Mixed 34.9 38.2
24.8 SusWrite 39.3 43
51.1% 38.5 MB/s
Min Avg Max
7.6 4K Read 12.7 16.4
7.1 4K Write 12.2 17.6
7.2 4K Mixed 11.2 14.3
842% 12 MB/s
Min Avg Max
11.5 DQ Read 12.6 13.1
15.1 DQ Write 19.1 21.4
6.97 DQ Mixed 12.8 15.6
1,132% 14.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
70GB free, PID 2329
Operating at USB 2.0 Speed
SusWrite @10s intervals: 43 43 43 43 43 43 MB/s
58.8% Above average
Read 54.4
Write 36
Mixed 38
SusWrite 43
56% 42.8 MB/s
4K Read 15.8
4K Write 12.3
4K Mixed 14.1
957% 14.1 MB/s
DQ Read 12.9
DQ Write 21.4
DQ Mixed 15.6
1,306% 16.6 MB/s
70GB free, PID 2329
Operating at USB 2.0 Speed
SusWrite @10s intervals: 43 43 43 43 43 43 MB/s
58.3% Above average
Read 53.4
Write 36.4
Mixed 38.2
SusWrite 42.9
56% 42.7 MB/s
4K Read 15.7
4K Write 12.2
4K Mixed 14
949% 14 MB/s
DQ Read 12.9
DQ Write 21.1
DQ Mixed 15.5
1,293% 16.5 MB/s
70GB free, PID 2329
Operating at USB 2.0 Speed
SusWrite @10s intervals: 43 43 43 43 43 43 MB/s
57.7% Above average
Read 54.3
Write 35.3
Mixed 37.6
SusWrite 43
56% 42.5 MB/s
4K Read 16.4
4K Write 11.9
4K Mixed 14.3
952% 14.2 MB/s
DQ Read 13.1
DQ Write 18.8
DQ Mixed 14.9
1,195% 15.6 MB/s
70GB free, PID 2329
Operating at USB 2.0 Speed
SusWrite @10s intervals: 43 43 43 43 43 43 MB/s
54.2% Above average
Read 54.9
Write 33.8
Mixed 37.5
SusWrite 42.9
55% 42.3 MB/s
4K Read 12.9
4K Write 11
4K Mixed 13.7
888% 12.5 MB/s
DQ Read 13
DQ Write 20.4
DQ Mixed 15.4
1,266% 16.3 MB/s
5GB free, PID 2329
Operating at USB 2.0 Speed
SusWrite @10s intervals: 24 24 25 25 25 25 MB/s
33.8% Below average
Read 32.7
Write 27.3
Mixed 29.8
SusWrite 24.8
38% 28.7 MB/s
4K Read 7.6
4K Write 7.1
4K Mixed 7.2
515% 7.3 MB/s
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