TEST
YOUR USB

Crucial_ (ExtHD)

CT240M500SSD3 240GB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 220% (1st of 639)

Based on 5 user benchmarks.  Device: VID 174c PID 55aa Model: Crucial_ CT240M500SSD3
Poor: 172%Average: 220% Great: 308%

Outstanding average bench

The Crucial_ CT240M500SSD3 240GB averaged 119.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial_ CT240M500SSD3 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 48.3MB/s
Avg. 4K Random Write Speed 41.7MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Sequential Read Speed 237MB/s
Avg. 4K Random Read Speed 18.3MB/s
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Average Bench

(Based on 5 samples)
Rank 1220%
Min Avg Max
204 Read 237 282
215 Write 242 258
129 Mixed 200 225
221 SusWrite 234 243
311% 228 MB/s
Min Avg Max
15.5 4K Read 18.3 21.3
26 4K Write 41.7 70.7
9.99 4K Mixed 16 21.4
2,031% 25.3 MB/s
Min Avg Max
18.1 DQ Read 20.4 23.7
26 DQ Write 48.3 87.3
9.79 DQ Mixed 19.5 31.1
2,382% 29.4 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
224GB free, PID 55aa
Operating at USB 3.1 Speed
308% Outstanding
Read 204
Write 258
Mixed 129
252% 197 MB/s
4K Read 21.3
4K Write 70.7
4K Mixed 14.9
2,991% 35.7 MB/s
DQ Read 23.7
DQ Write 87.3
DQ Mixed 15
3,570% 42 MB/s
165GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 218 239 218 227 213 214 MB/s
266% Outstanding
Read 211
Write 215
Mixed 202
SusWrite 221
292% 212 MB/s
4K Read 18.6
4K Write 59.6
4K Mixed 21.4
2,824% 33.2 MB/s
DQ Read 22.7
DQ Write 74.8
DQ Mixed 31.1
3,686% 42.9 MB/s
223GB free, PID 55aa
Operating at USB 3.0 Speed
180% Outstanding
Read 282
Write 257
Mixed 225
321% 255 MB/s
4K Read 15.5
4K Write 26
4K Mixed 9.99
1,280% 17.2 MB/s
DQ Read 18.1
DQ Write 26
DQ Mixed 9.79
1,285% 18 MB/s
155GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 239 241 245 245 245 244 MB/s
173% Outstanding
Read 244
Write 241
Mixed 220
SusWrite 243
323% 237 MB/s
4K Read 18
4K Write 26.1
4K Mixed 13.5
1,414% 19.2 MB/s
DQ Read 18.8
DQ Write 27.4
DQ Mixed 20.9
1,713% 22.4 MB/s
216GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 238 238 238 233 234 236 MB/s
172% Outstanding
Read 246
Write 240
Mixed 225
SusWrite 236
323% 237 MB/s
4K Read 17.9
4K Write 26.2
4K Mixed 20.2
1,645% 21.4 MB/s
DQ Read 18.6
DQ Write 26.2
DQ Mixed 20.5
1,657% 21.8 MB/s
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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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