TEST
YOUR USB

Seagate (ExtHD)

Portable 128GB

▲ 500 ▼

Release date ≈ Q3 2015.

Average Bench: 120% (3rd of 639)

Based on 4 user benchmarks.  Device: VID 0bc2 PID 2330 Model: Seagate Portable
Poor: 13%Average: 120% Great: 188%

Outstanding average bench

The Seagate Portable 128GB averaged 20.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Seagate Portable 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 37.3MB/s
Avg. 4K Random Write Speed 23.8MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Sustained Write Speed 13.2MB/s
Avg. Sequential Read Speed 147MB/s
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Average Bench

(Based on 4 samples)
Rank 3120%
Min Avg Max
20.5 Read 147 191
11.8 Write 103 191
13.5 Mixed 87.5 163
13.2 SusWrite 13.2 13.2
106% 87.4 MB/s
Min Avg Max
3.2 4K Read 14.3 21.8
2.1 4K Write 23.8 37
0.79 4K Mixed 7.45 13.5
1,117% 15.2 MB/s
Min Avg Max
0.86 DQ Read 16.4 24.3
19.6 DQ Write 37.3 46.3
0.8 DQ Mixed 9.49 13.8
1,651% 21 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
53GB free, PID 2330
Operating at USB 3.0 Speed
188% Outstanding
Read 191
Write 191
Mixed 163
232% 182 MB/s
4K Read 21.8
4K Write 37
4K Mixed 13.5
1,799% 24.1 MB/s
DQ Read 24.3
DQ Write 45.8
DQ Mixed 13.8
2,120% 28 MB/s
72GB free, PID 2330
Operating at USB 3.0 Speed
182% Outstanding
Read 190
Write 190
Mixed 159
229% 180 MB/s
4K Read 19.5
4K Write 35.4
4K Mixed 13.4
1,731% 22.7 MB/s
DQ Read 24
DQ Write 46.3
DQ Mixed 13.8
2,135% 28.1 MB/s
0GB free, PID 2330
Operating at USB 3.0 Speed
96.4% Outstanding
Read 184
Write 11.8
Mixed 13.5
54% 69.9 MB/s
4K Read 12.6
4K Write 20.9
4K Mixed 0.79
784% 11.4 MB/s
DQ Read 0.86
DQ Write 19.6
DQ Mixed 0.8
698% 7.09 MB/s
117GB free, PID 2330
Operating at USB 2.1 Speed
SusWrite @10s intervals: 15 8 13 13 16 15 MB/s
13.1% Very poor
Read 20.5
Write 18
Mixed 14.5
SusWrite 13.2
22% 16.5 MB/s
4K Read 3.2
4K Write 2.1
4K Mixed 2.1
155% 2.47 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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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $124Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
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WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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