Average Bench: 43.2% (32nd of 639)

Based on 18 user benchmarks.  Device: VID null PID null Model: ST4000DM 000-1F2168
Poor: 11%Average: 43.2% Great: 55%

Below average average bench

The ST4000DM 000-1F2168 4TB averaged 56.8% 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.


Avg. Sequential Write Speed 108MB/s
Avg. 4K Random Write Speed 1.19MB/s

Average consistency

The range of scores (95th - 5th percentile) for the ST4000DM 000-1F2168 4TB is 43.7%. This is a relatively wide range which indicates that the ST4000DM 000-1F2168 4TB performs inconsistently under varying real world conditions.


Avg. 4K Random Read Speed 0.62MB/s
Avg. 4K Random Mixed IO Speed 0.25MB/s

Average Bench

(Based on 18 samples)
Min Avg Max
12.8 Read 115 151
11.9 Write 108 152
11 Mixed 71.2 135
0.3 SusWrite 64.5 129
117% 89.6 MB/s
Min Avg Max
0.33 4K Read 0.62 0.78
0.47 4K Write 1.19 1.83
0.15 4K Mixed 0.25 0.8
51.2% 0.69 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3TB free, PID null
SusWrite @10s intervals: 126 126 128 131 128 133 MB/s
Read 128
Write 88
Mixed 61
SusWrite 129
133% 101 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.8
70% 0.87 MB/s
1.5TB free, PID null
Read 122
Write 125
Mixed 112
154% 120 MB/s
4K Read 0.7
4K Write 0.92
4K Mixed 0.22
42% 0.61 MB/s
2TB free, PID null
SusWrite @10s intervals: 0.5 0.6 0.3 0.1 0.4 MB/s
Read 131
Write 105
Mixed 77.5
SusWrite 0.3
95% 78.6 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.7
60% 0.77 MB/s
18 MORE »
How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

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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  • - CPU tests include: integer, floating and string.
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USB Flash Drive Rankings (Price vs Performance) September 2018 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]


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.


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.
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AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $269Samsung 850 Evo 500GB $115
Intel Core i5-8600K $260AMD RX 480 $280Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $145SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $155SanDisk Ultra Fit 32GB $11
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