Average Bench: 15.4% (315th of 639)

Based on 15 user benchmarks.  Device: VID 152d PID 2338 Model: ST320005 42AS
Poor: 12%Average: 15.4% Great: 19%

Terrible average bench

The ST320005 42AS 2TB averaged 84.6% 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 1.35MB/s
Avg. 4K Random Mixed IO Speed 0.59MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the ST320005 42AS 2TB is just 7.36%. 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 0.58MB/s
Avg. Sequential Read Speed 31.1MB/s
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Average Bench

(Based on 15 samples)
Min Avg Max
6 Read 31.1 40.7
5.8 Write 30.5 42
0.33 Mixed 20.6 39
2.8 SusWrite 25.5 40.9
36% 26.9 MB/s
Min Avg Max
0 4K Read 0.58 0.7
0 4K Write 1.35 2
0.001 4K Mixed 0.59 1
68.1% 0.84 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
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: 34 36 36 36 36 36 MB/s
Read 32.5
Write 36.5
Mixed 25.8
SusWrite 36
45% 32.7 MB/s
4K Read 0.7
4K Write 1.9
4K Mixed 1
101% 1.2 MB/s
2TB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 36 36 36 36 35 36 MB/s
Read 28.1
Write 34.6
Mixed 23.9
SusWrite 35.8
43% 30.6 MB/s
4K Read 0.7
4K Write 2
4K Mixed 1
105% 1.23 MB/s
1TB free, PID 2338
Operating at USB 2.0 Speed
SusWrite @10s intervals: 26 25 26 25 26 26 MB/s
Read 31
Write 20.7
Mixed 19
SusWrite 25.6
31% 24.1 MB/s
4K Read 0.6
4K Write 1.4
4K Mixed 0.8
77% 0.93 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
15 MORE »
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Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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USB Flash Drive Rankings (Price vs Performance) November 2019 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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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • 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.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $148Nvidia GTX 1660S (Super) $234Crucial MX500 250GB $45
Intel Core i5-9600K $210Nvidia GTX 1660 $210Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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