TEST
YOUR USB

(ExtHD)

CT240BX500SSD1 240GB

▲ 500 ▼

Release date ≈ Q1 2019.

Average Bench: 77.1% (6th of 639)

Based on 15 user benchmarks.  Device: VID 2537 PID 1068 Model: CT240BX500SSD1
Poor: 11%Average: 77.1% Great: 146%

Good average bench

The CT240BX500SSD1 240GB averaged 22.9% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the CT240BX500SSD1 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 25.2MB/s
Avg. 4K Random Write Speed 14.6MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the CT240BX500SSD1 240GB is 135%. This is a particularly wide range which indicates that the CT240BX500SSD1 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 113MB/s
Avg. Sustained Write Speed 58.9MB/s
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Average Bench

(Based on 15 samples)
Rank 677.1%
Min Avg Max
13.8 Read 113 314
6.5 Write 98.2 298
14 Mixed 96 298
14.2 SusWrite 58.9 210
120% 91.6 MB/s
Min Avg Max
0.5 4K Read 12.1 19.6
0 4K Write 14.6 31.4
0.5 4K Mixed 7.81 15.4
808% 11.5 MB/s
Min Avg Max
10.4 DQ Read 15.1 19.9
15.1 DQ Write 25.2 40.4
10.3 DQ Mixed 12.9 17
1,353% 17.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
119GB free (System drive), PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 21 124 65 56 92 41 MB/s
153% Outstanding
Read 260
Write 194
Mixed 212
SusWrite 66.4
233% 183 MB/s
4K Read 16.4
4K Write 31.4
4K Mixed 11.9
1,534% 19.9 MB/s
DQ Read 19.1
DQ Write 40.4
DQ Mixed 15.3
1,965% 24.9 MB/s
57GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 223 218 193 28 102 11 MB/s
146% Outstanding
Read 252
Write 219
Mixed 218
SusWrite 129
269% 204 MB/s
4K Read 19.6
4K Write 25
4K Mixed 15.4
1,447% 20 MB/s
DQ Read 19.9
DQ Write 33.2
DQ Mixed 17
1,781% 23.4 MB/s
73GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 284 286 265 234 106 90 MB/s
131% Outstanding
Read 314
Write 298
Mixed 298
SusWrite 210
376% 280 MB/s
4K Read 14.7
4K Write 11.7
4K Mixed 0.5
470% 8.97 MB/s
DQ Read 17.4
DQ Write 33.1
DQ Mixed 13.8
1,660% 21.4 MB/s
147GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 195 17 148 14 135 26 MB/s
111% Outstanding
Read 214
Write 188
Mixed 189
SusWrite 89.1
223% 170 MB/s
4K Read 12.9
4K Write 18.7
4K Mixed 9
990% 13.5 MB/s
DQ Read 16.4
DQ Write 32.6
DQ Mixed 13.3
1,622% 20.8 MB/s
119GB free (System drive), PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 136 61 43 112 81 89 MB/s
105% Outstanding
Read 312
Write 288
Mixed 207
SusWrite 86.8
286% 224 MB/s
4K Read 15.6
4K Write 12
4K Mixed 0.9
497% 9.5 MB/s
DQ Read 17.4
DQ Write 21.8
DQ Mixed 13.7
1,272% 17.6 MB/s
213GB free, PID 1068
Operating at USB 2.1 Speed
SusWrite @10s intervals: 36 37 35 35 36 36 MB/s
83.8% Excellent
Read 33.5
Write 6.5
Mixed 35.5
SusWrite 35.8
37% 27.8 MB/s
4K Read 12.4
4K Write 22.2
4K Mixed 12.8
1,236% 15.8 MB/s
DQ Read 15.3
DQ Write 24.4
DQ Mixed 13.8
1,356% 17.8 MB/s
44GB free, PID 1068
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 40 40 40 40 40 MB/s
63.7% Good
Read 50.3
Write 39.2
Mixed 39
SusWrite 39.6
56% 42 MB/s
4K Read 17.7
4K Write 14.2
4K Mixed 10.9
919% 14.3 MB/s
DQ Read 13.7
DQ Write 19.3
DQ Mixed 11
1,081% 14.7 MB/s
209GB free (System drive), PID 1068
Operating at USB 2.1 Speed
SusWrite @10s intervals: 20 27 30 20 28 17 MB/s
11.1% Very poor
Read 29.9
Write 30.4
Mixed 22
SusWrite 23.6
36% 26.5 MB/s
4K Read 6.7
4K Write 0
4K Mixed 1.2
66% 2.63 MB/s
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