TEST
YOUR USB

PNY (ExtHD)

U3 250GB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 113% (5th of 639)

Based on 20 user benchmarks.  Device: VID 154b PID 5678 Model: PNY U3
Poor: 14%Average: 113% Great: 207%

Outstanding average bench

The PNY U3 250GB averaged 13.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the PNY U3 250GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 30.5MB/s
Avg. 4K-64Thread Mixed IO Speed 22.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the PNY U3 250GB is 192%. This is a particularly wide range which indicates that the PNY U3 250GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 197MB/s
Avg. 4K Random Read Speed 13.3MB/s
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Average Bench

(Based on 20 samples)
Rank 5113%
Min Avg Max
27.7 Read 197 393
19.7 Write 185 376
13.5 Mixed 178 369
37.8 SusWrite 161 317
243% 180 MB/s
Min Avg Max
0.4 4K Read 13.3 24.9
0.83 4K Write 15.9 26
0.33 4K Mixed 13.8 25.2
1,058% 14.3 MB/s
Min Avg Max
10.9 DQ Read 21.6 26.5
14.3 DQ Write 30.5 39
10.2 DQ Mixed 22.9 30.6
1,895% 25 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
141GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 349 306 313 312 312 307 MB/s
207% Outstanding
Read 372
Write 372
Mixed 338
SusWrite 316
474% 350 MB/s
4K Read 23.1
4K Write 25.5
4K Mixed 25.2
1,810% 24.6 MB/s
DQ Read 26.2
DQ Write 28.2
DQ Mixed 26.3
1,951% 26.9 MB/s
91GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 251 263 272 240 240 256 MB/s
173% Outstanding
Read 312
Write 269
Mixed 287
SusWrite 254
377% 280 MB/s
4K Read 17.4
4K Write 22.4
4K Mixed 21.1
1,544% 20.3 MB/s
DQ Read 20.8
DQ Write 33.2
DQ Mixed 23.1
1,992% 25.7 MB/s
106GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 349 189 74 71 60 50 MB/s
172% Outstanding
Read 393
Write 318
Mixed 339
SusWrite 132
382% 296 MB/s
4K Read 24.9
4K Write 26
4K Mixed 24.9
1,824% 25.3 MB/s
DQ Read 26.5
DQ Write 29.5
DQ Mixed 27.9
2,051% 28 MB/s
97GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 230 225 206 93 62 64 MB/s
145% Outstanding
Read 236
Write 234
Mixed 212
SusWrite 147
277% 207 MB/s
4K Read 22.4
4K Write 24.1
4K Mixed 22.1
1,654% 22.9 MB/s
DQ Read 25.1
DQ Write 31.5
DQ Mixed 27
2,083% 27.9 MB/s
46GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 217 124 35 31 29 32 MB/s
137% Outstanding
Read 241
Write 219
Mixed 216
SusWrite 77.9
246% 188 MB/s
4K Read 23
4K Write 25.9
4K Mixed 23.9
1,779% 24.3 MB/s
DQ Read 25
DQ Write 35.4
DQ Mixed 29.1
2,287% 29.8 MB/s
232GB free, PID 5678
Operating at USB 2.1 Speed
SusWrite @10s intervals: 41 41 41 41 41 41 MB/s
61.1% Good
Read 39.5
Write 41
Mixed 40
SusWrite 41.3
56% 40.5 MB/s
4K Read 10.2
4K Write 14.3
4K Mixed 11.9
929% 12.1 MB/s
DQ Read 11.2
DQ Write 15.6
DQ Mixed 13
1,014% 13.3 MB/s
72GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 64 63 64 65 65 64 MB/s
28.5% Poor
Read 65.3
Write 63.5
Mixed 46.2
SusWrite 64.1
81% 59.8 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.7
80% 0.97 MB/s
21GB free, PID 5678
Operating at USB 3.0 Speed
SusWrite @10s intervals: 49 50 49 48 51 51 MB/s
18.7% Very poor
Read 35
Write 34.3
Mixed 20.7
SusWrite 49.4
48% 34.8 MB/s
4K Read 0.4
4K Write 0.9
4K Mixed 0.6
52% 0.63 MB/s
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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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