TEST
YOUR USB

(ExtHD)

SSK 1TB

▲ 500 ▼

Release date ≈ Q3 2020.

Average Bench: 149% (1st of 639)

Based on 7 user benchmarks.  Device: VID 152d PID 0562 Model: SSK
Poor: 5%Average: 149% Great: 266%

Outstanding average bench

The SSK 1TB averaged 48.6% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the SSK 1TB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 34.7MB/s
Avg. 4K-64Thread Mixed IO Speed 28.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SSK 1TB is 261%. This is a particularly wide range which indicates that the SSK 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 257MB/s
Avg. 4K Random Read Speed 16.3MB/s
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Average Bench

(Based on 7 samples)
Rank 1149%
Min Avg Max
10 Read 257 525
9.5 Write 248 476
9.8 Mixed 232 440
13 SusWrite 224 466
326% 240 MB/s
Min Avg Max
0.1 4K Read 16.3 23.9
0.1 4K Write 19.1 32.5
0.1 4K Mixed 16.6 27.1
1,273% 17.3 MB/s
Min Avg Max
21.6 DQ Read 25.9 31.2
26.2 DQ Write 34.7 48.1
23.4 DQ Mixed 28.9 36.8
2,258% 29.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
84GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 442 439 330 441 354 352 MB/s
266% Outstanding
Read 525
Write 476
Mixed 394
SusWrite 393
595% 447 MB/s
4K Read 23
4K Write 32.1
4K Mixed 25.4
2,041% 26.8 MB/s
DQ Read 24
DQ Write 38.9
DQ Mixed 28.6
2,385% 30.5 MB/s
768GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 343 449 500 504 504 497 MB/s
265% Outstanding
Read 400
Write 476
Mixed 440
SusWrite 466
622% 446 MB/s
4K Read 23.9
4K Write 32.5
4K Mixed 27.1
2,116% 27.8 MB/s
DQ Read 31.2
DQ Write 48.1
DQ Mixed 36.8
3,004% 38.7 MB/s
615GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 285 297 297 303 304 291 MB/s
197% Outstanding
Read 335
Write 305
Mixed 304
SusWrite 296
419% 310 MB/s
4K Read 20.4
4K Write 25.8
4K Mixed 22.4
1,715% 22.9 MB/s
DQ Read 21.6
DQ Write 26.2
DQ Mixed 23.4
1,767% 23.7 MB/s
328GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 283 278 294 288 296 290 MB/s
180% Outstanding
Read 284
Write 285
Mixed 282
SusWrite 288
391% 285 MB/s
4K Read 23
4K Write 23.1
4K Mixed 21.8
1,612% 22.6 MB/s
DQ Read 27.3
DQ Write 33.2
DQ Mixed 29.5
2,234% 30 MB/s
882GB free, PID 0562
Operating at USB 3.2 Speed
SusWrite @10s intervals: 93 99 101 105 103 106 MB/s
110% Outstanding
Read 228
Write 165
Mixed 181
SusWrite 101
218% 169 MB/s
4K Read 20.7
4K Write 16.3
4K Mixed 15.9
1,172% 17.6 MB/s
DQ Read 25.4
DQ Write 27
DQ Mixed 26.1
1,900% 26.2 MB/s
862GB free, PID 0562
Operating at USB 2.1 Speed
SusWrite @10s intervals: 11 15 17 9.7 9.8 15 MB/s
16.5% Very poor
Read 15.5
Write 16
Mixed 15
SusWrite 13
20% 14.9 MB/s
4K Read 3
4K Write 3.5
4K Mixed 3.5
249% 3.33 MB/s
866GB free, PID 0562
Operating at USB 2.1 Speed
SusWrite @10s intervals: 17 14 13 13 12 13 MB/s
4.72% Terrible
Read 10
Write 9.5
Mixed 9.8
SusWrite 13.5
15% 10.7 MB/s
4K Read 0.1
4K Write 0.1
4K Mixed 0.1
7% 0.1 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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