Average Bench: 15.8% (306th of 639)

Based on 19 user benchmarks.  Device: VID 152d PID 2338 Model: ST320005 42AS
Poor: 12%Average: 15.8% Great: 20%

Terrible average bench

The ST320005 42AS 2TB averaged 84.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Write Speed 1.4MB/s
Avg. 4K Random Mixed IO Speed 0.68MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the ST320005 42AS 2TB is just 7.8%. This is an extremely narrow range which indicates that the ST320005 42AS 2TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.6MB/s
Avg. Sequential Read Speed 31.8MB/s
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Average Bench

(Based on 19 samples)
Min Avg Max
6 Read 31.8 40.7
5.8 Write 30.7 42
0.33 Mixed 21.5 39
2.8 SusWrite 28.8 41.9
37.8% 28.2 MB/s
Min Avg Max
0 4K Read 0.6 0.7
0 4K Write 1.4 2
0.001 4K Mixed 0.68 1.1
72.9% 0.89 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 42 42 42 42 42 42 MB/s
Read 38
Write 41
Mixed 29
SusWrite 41.9
51% 37.5 MB/s
4K Read 0.7
4K Write 1.6
4K Mixed 1.1
94% 1.13 MB/s
1.5TB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 42 41 41 40 40 40 MB/s
Read 38
Write 36.9
Mixed 27
SusWrite 40.9
48% 35.7 MB/s
4K Read 0.7
4K Write 1.6
4K Mixed 1
91% 1.1 MB/s
1TB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 41 39 41 42 41 41 MB/s
Read 39.4
Write 41
Mixed 29.6
SusWrite 40.9
51% 37.7 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 1
81% 1 MB/s
2TB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 35 36 36 36 37 37 MB/s
Read 27.7
Write 34
Mixed 22
SusWrite 35.9
42% 29.9 MB/s
4K Read 0.7
4K Write 1.9
4K Mixed 1
101% 1.2 MB/s
777GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 28 28 28 28 27 27 MB/s
Read 29.1
Write 23.3
Mixed 20.5
SusWrite 27.5
34% 25.1 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.9
91% 1.1 MB/s
96GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 28 27 27 27 27 27 MB/s
Read 32.3
Write 25.4
Mixed 22.9
SusWrite 27.4
36% 27 MB/s
4K Read 0.6
4K Write 1.5
4K Mixed 1
87% 1.03 MB/s
965GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 22 22 22 22 21 21 MB/s
Read 27.2
Write 21
Mixed 19.5
SusWrite 21.6
30% 22.3 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.9
84% 0.97 MB/s
855GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 17 16 16 16 17 16 MB/s
Read 23.8
Write 23.5
Mixed 19.3
SusWrite 16.4
28% 20.8 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 1
88% 1.07 MB/s
890GB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 3.2 0 5 0 0 8.4 MB/s
Read 6
Write 5.8
Mixed 6
SusWrite 2.8
7% 5.15 MB/s
4K Read 0
4K Write 0
4K Mixed 0.3
10% 0.1 MB/s
19 MORE »
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USB Flash Drive Rankings (Price vs Performance) November 2020 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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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.

 Comments

639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

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 Frequently Asked Questions

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Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $50
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