TEST
YOUR USB

USB3.0 (ExtHD)

high speed 512GB

▲ 500 ▼

Release date ≈ Q2 2020.

Average Bench: 110% (5th of 639)

Based on 25 user benchmarks.  Device: VID 2109 PID 0711 Model: USB3.0 high speed
Poor: 20%Average: 110% Great: 268%

Outstanding average bench

The USB3.0 high speed 512GB averaged 9.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the USB3.0 high speed 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 33.5MB/s
Avg. 4K Random Write Speed 19.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the USB3.0 high speed 512GB is 248%. This is a particularly wide range which indicates that the USB3.0 high speed 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 140MB/s
Avg. 4K Random Read Speed 13.5MB/s
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Average Bench

(Based on 25 samples)
Rank 5110%
Min Avg Max
12.5 Read 140 264
11.9 Write 125 253
12.7 Mixed 121 240
12.5 SusWrite 115 252
169% 126 MB/s
Min Avg Max
0.7 4K Read 13.5 25.3
0 4K Write 19.9 75.7
0.1 4K Mixed 11.8 35.4
1,128% 15.1 MB/s
Min Avg Max
1.1 DQ Read 16.4 26.3
10.2 DQ Write 33.5 91.6
2.2 DQ Mixed 17.5 37.9
1,794% 22.4 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
364GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 194 204 208 243 242 243 MB/s
149% Outstanding
Read 215
Write 208
Mixed 207
SusWrite 222
292% 213 MB/s
4K Read 15.1
4K Write 21.4
4K Mixed 15.9
1,325% 17.5 MB/s
DQ Read 19.1
DQ Write 37.7
DQ Mixed 23.2
2,142% 26.7 MB/s
344GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 240 109 19 10 14 94 MB/s
140% Outstanding
Read 256
Write 234
Mixed 217
SusWrite 80.8
256% 197 MB/s
4K Read 19.7
4K Write 26.1
4K Mixed 14.7
1,461% 20.2 MB/s
DQ Read 17.8
DQ Write 38.5
DQ Mixed 16.8
1,947% 24.4 MB/s
441GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 210 218 229 218 119 82 MB/s
136% Outstanding
Read 187
Write 163
Mixed 156
SusWrite 179
231% 171 MB/s
4K Read 16.4
4K Write 21.6
4K Mixed 15.4
1,319% 17.8 MB/s
DQ Read 16.8
DQ Write 21.7
DQ Mixed 18.1
1,416% 18.9 MB/s
262GB free, PID 0711
Operating at USB 3.0 Speed
SusWrite @10s intervals: 142 153 147 150 156 151 MB/s
93.6% Outstanding
Read 148
Write 94.3
Mixed 120
SusWrite 150
171% 128 MB/s
4K Read 9.4
4K Write 12.1
4K Mixed 9.1
756% 10.2 MB/s
DQ Read 18.7
DQ Write 27.4
DQ Mixed 17.1
1,583% 21.1 MB/s
223GB free, PID 0711
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 41 40 41 40 41 MB/s
62.9% Good
Read 53.3
Write 39
Mixed 41.1
SusWrite 40.3
57% 43.4 MB/s
4K Read 16.9
4K Write 13.8
4K Mixed 0.7
556% 10.5 MB/s
DQ Read 15.4
DQ Write 18.5
DQ Mixed 16.7
1,254% 16.9 MB/s
225GB free, PID 0711
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 27 27 26 27 27 MB/s
20.2% Poor
Read 55.3
Write 25.6
Mixed 27.4
SusWrite 27
41% 33.8 MB/s
4K Read 11.2
4K Write 1.2
4K Mixed 6.4
300% 6.27 MB/s
278GB free, PID 0711
Operating at USB 2.1 Speed
SusWrite @10s intervals: 26 23 27 26 28 27 MB/s
7.67% Terrible
Read 12.5
Write 12.7
Mixed 12.7
SusWrite 26.1
23% 16 MB/s
4K Read 0.7
4K Write 0
4K Mixed 0.1
6% 0.27 MB/s
25 MORE »
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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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