Average Bench: 18.1% (230th of 639)

Based on 706 user benchmarks.  Device: VID 1058 PID 1021 Model: WD Ext HDD 1021
Poor: 12%Average: 18.1% Great: 22%

Terrible average bench

The WD Ext HDD 1021 3TB averaged 81.8% 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.

Strengths

Avg. 4K Random Write Speed 2.06MB/s
Avg. 4K Random Mixed IO Speed 0.77MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the WD Ext HDD 1021 3TB is just 9.95%. This is an extremely narrow range which indicates that the WD Ext HDD 1021 3TB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.78MB/s
Avg. Sequential Read Speed 33.6MB/s
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Average Bench

(Based on 706 samples)
Min Avg Max
25.7 Read 33.6 38
20.4 Write 31.4 38.5
19.5 Mixed 26.2 31
12.3 SusWrite 30.9 39.3
41.1% 30.5 MB/s
Min Avg Max
0.5 4K Read 0.78 0.9
1 4K Write 2.06 2.7
0.5 4K Mixed 0.77 1
99.1% 1.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 1021
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 39 39 39 39 39 MB/s
Read 37
Write 37
Mixed 30.5
SusWrite 39.1
49% 35.9 MB/s
4K Read 0.8
4K Write 2.7
4K Mixed 0.9
125% 1.47 MB/s
1.5TB free, PID 1021
Operating at USB 2.0 Speed
SusWrite @10s intervals: 37 36 37 36 38 38 MB/s
Read 37.5
Write 37.3
Mixed 30
SusWrite 37.1
48% 35.5 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.7
102% 1.23 MB/s
199GB free, PID 1021
Operating at USB 2.0 Speed
SusWrite @10s intervals: 31 33 34 34 34 34 MB/s
Read 34
Write 27.8
Mixed 26.1
SusWrite 33.5
41% 30.4 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.6
71% 0.93 MB/s
128GB free, PID 1021
Operating at USB 2.0 Speed
SusWrite @10s intervals: 26 26 27 27 27 26 MB/s
Read 31.3
Write 23.3
Mixed 23
SusWrite 26.5
34% 26 MB/s
4K Read 0.7
4K Write 1.9
4K Mixed 0.6
88% 1.07 MB/s
78GB free, PID 1021
Operating at USB 2.0 Speed
SusWrite @10s intervals: 18 18 19 19 19 19 MB/s
Read 31.5
Write 24.2
Mixed 21.5
SusWrite 18.5
31% 23.9 MB/s
4K Read 0.7
4K Write 2.2
4K Mixed 0.9
108% 1.27 MB/s
706 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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How it works

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  • - CPU tests include: integer, floating and string.
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USB Flash Drive Rankings (Price vs Performance) July 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $120Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $190Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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