Average Bench: 17.4% (237th of 634)

Based on 2,701 user benchmarks.  Devices: VID 1058 PID 1100, VID null PID null Models: WD 10EAVS External, WD 10EACS External, WD 10EADS External, WD My Book

Terrible average bench

The WD My Book 1TB averaged 82.5% 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. 4K Random Write Speed 1.78MB/s
Avg. Sequential Write Speed 31.6MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the WD My Book 1TB is just 7.98%. This is an extremely narrow range which indicates that the WD My Book 1TB performs superbly consistently under varying real world conditions.


Avg. 4K Random Read Speed 0.59MB/s
Avg. Sequential Read Speed 34.1MB/s

Average Bench

(Based on 2,701 samples)
Min Avg Max
25.2 Read 34.1 39.8
21.7 Write 31.6 40.4
9.29 Mixed 21.4 37.6
36% 29.1 MB/s
Min Avg Max
0.32 4K Read 0.59 0.64
1.02 4K Write 1.78 2.3
0.22 4K Mixed 0.3 0.37
72.9% 0.89 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
150GB free, PID null
Read 32.5
Write 39.4
Mixed 36.6
48% 36.2 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.27
83% 0.99 MB/s
484GB free, PID 1100
Operating at USB 2.0 Speed
Read 34.1
Write 37.9
Mixed 17.3
37% 29.7 MB/s
4K Read 0.33
4K Write 1.83
4K Mixed 0.26
72% 0.81 MB/s
49GB free, PID 1100
Operating at USB 2.0 Speed
Read 36.6
Write 37.8
Mixed 35.2
47% 36.5 MB/s
4K Read 0.48
4K Write 1.53
4K Mixed 0.19
60% 0.73 MB/s
494GB free, PID 1100
Operating at USB 2.0 Speed
Read 37.2
Write 35.9
Mixed 27.4
42% 33.5 MB/s
4K Read 0.38
4K Write 1.52
4K Mixed 0.27
62% 0.72 MB/s
357GB free, PID 1100
Operating at USB 2.0 Speed
Read 37.5
Write 37.2
Mixed 35.8
47% 36.8 MB/s
4K Read 0.61
4K Write 1.11
4K Mixed 0.32
51% 0.68 MB/s
33GB free, PID 1100
Operating at USB 2.0 Speed
Read 26.5
Write 19.7
Mixed 13.9
24% 20 MB/s
4K Read 0.54
4K Write 1.63
4K Mixed 0.31
68% 0.83 MB/s
2,701 MORE »
Typical My Book 1TB Builds (Compare 19,138 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 57%
Workstation 23%

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 70% - Very good Total price: $410

Popular My Book 1TB systems:

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

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
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USB Flash Drive Rankings (Price vs Performance) March 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.
  • Fastest real world speed - Real World Speed measures performance for typical flash usage patterns.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.


634 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.
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $150
Intel Core i5-8600K $243AMD RX 480 $400Samsung 850 Pro 256GB $120
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $216SanDisk Extreme 16GB $18
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