TEST
YOUR USB

SP (ExtHD)

B75 Pro 1TB

▲ 500 ▼

Release date ≈ Q3 2019.

Average Bench: 170% (1st of 639)

Based on 13 user benchmarks.  Device: VID 174c PID 55aa Model: SP B75 Pro
Poor: 134%Average: 170% Great: 214%

Outstanding average bench

The SP B75 Pro 1TB averaged 69.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the SP B75 Pro 1TB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 42.8MB/s
Avg. 4K Random Write Speed 29.1MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the SP B75 Pro 1TB is 79.5%. This is a particularly wide range which indicates that the SP B75 Pro 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 16.4MB/s
Avg. Sequential Read Speed 278MB/s
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Average Bench

(Based on 13 samples)
Rank 1170%
Min Avg Max
31 Read 278 484
27.3 Write 232 442
21.4 Mixed 194 344
26.9 SusWrite 166 332
284% 218 MB/s
Min Avg Max
7.6 4K Read 16.4 19.5
7.8 4K Write 29.1 40.9
1 4K Mixed 10.4 16.4
1,406% 18.6 MB/s
Min Avg Max
14.6 DQ Read 19.2 23.7
13.1 DQ Write 42.8 63.1
1.1 DQ Mixed 12.9 16.9
1,967% 25 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
923GB free, PID 55aa
Operating at USB 3.1 Speed
SusWrite @10s intervals: 335 332 332 332 325 338 MB/s
214% Outstanding
Read 304
Write 294
Mixed 254
SusWrite 332
404% 296 MB/s
4K Read 12.4
4K Write 30.7
4K Mixed 10.6
1,451% 17.9 MB/s
DQ Read 23.7
DQ Write 63.1
DQ Mixed 16.9
2,809% 34.6 MB/s
823GB free, PID 55aa
Operating at USB 3.1 Speed
SusWrite @10s intervals: 170 167 165 156 81 16 MB/s
185% Outstanding
Read 205
Write 169
Mixed 166
SusWrite 126
219% 166 MB/s
4K Read 15.8
4K Write 40.4
4K Mixed 9.6
1,759% 21.9 MB/s
DQ Read 20.6
DQ Write 50
DQ Mixed 14.2
2,260% 28.3 MB/s
824GB free, PID 55aa
Operating at USB 3.1 Speed
SusWrite @10s intervals: 125 147 148 150 150 148 MB/s
176% Outstanding
Read 187
Write 119
Mixed 128
SusWrite 145
188% 145 MB/s
4K Read 17.7
4K Write 36.8
4K Mixed 9.6
1,644% 21.4 MB/s
DQ Read 20.9
DQ Write 44.8
DQ Mixed 12.6
2,030% 26.1 MB/s
697GB free, PID 55aa
Operating at USB 3.1 Speed
SusWrite @10s intervals: 179 174 51 16 98 183 MB/s
134% Outstanding
Read 190
Write 134
Mixed 148
SusWrite 117
192% 147 MB/s
4K Read 17.1
4K Write 25.1
4K Mixed 11.5
1,308% 17.9 MB/s
DQ Read 18.1
DQ Write 36.3
DQ Mixed 14.6
1,798% 23 MB/s
841GB free, PID 55aa
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 27 27 27 27 MB/s
36.1% Below average
Read 31
Write 27.3
Mixed 28.5
SusWrite 26.9
38% 28.4 MB/s
4K Read 7.6
4K Write 7.8
4K Mixed 6.6
518% 7.33 MB/s
13 MORE »
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  • 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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