Real World Speed
Performance profile from 1,502 user samples
93 User Benchmarks
Best Bench: 43% 14GB free, PID 05b9 @USB 3.0
Worst Bench: 8% 13GB free, PID 05b9 @USB 2.1
Poor: 8% Great: 43%
SPEED RANK: 169th / 639
1,409 User Benchmarks
Best Bench: 79% 15GB free, PID 5580 @USB 3.0
Worst Bench: 30% 11GB free, PID 5580 @USB 2.1
Poor: 30% Great: 79%
SPEED RANK: 13th / 639
Effective Speed
Effective USB Speed
27.1 % 76.6 % Hugely faster effective speed.
+182%
Read
Peak Sequential Read Speed
130 MB/s 196 MB/s Much faster peak read speed.
+51%
Write
Peak Sequential Write Speed
24 MB/s 62 MB/s Hugely faster peak write speed.
+158%
4K Read
Peak 4K Random Read Speed
10.1 MB/s 15.3 MB/s Much faster peak random read.
+51%
4K Write
Peak 4K Random Write Speed
0.21 MB/s 10.1 MB/s Insanely faster peak random write.
+4,710%
Value
Value For Money
14 % 36.3 % Hugely better value.
+160%
User Rating
UBM User Rating
56 % 66 % More popular.
+18%
Price
Price (score)
$17 Slightly cheaper.
+8%
$18
Age
Newest
75 Months 70 Months Slightly more recent.
+7%
Capacity
Capacity
16GB 16GB
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We had high expectations for this drive, unfortunately we were slightly disappointed. On the positive side the drive has excellent sequential read speeds, but the performance profile is unbalanced and the drive is significantly weaker at writing. In terms of build quality the drive is lacking, the plastic feels loose and the drive rattles when you shake it. Overall this drive has above average performance but is also priced higher than average leaving it reasonable value for money at best, there are better deals to be had at this time. [Jun '12 USBFlashPro]

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The benchmark scores for the SanDisk Extreme were stunning. Until now every flash drive we have tested has shown a serious weakness in the area of 4K random writes. The SanDisk Extreme achieved a 4K random write speed of 2.1 MB/s which was over three times faster than the best of the rest, unfortunately we were unable to get consistent measurements but 2.1 MB/s was towards at the lower end of the range (10.8 MB/s - 1.71 MB/s) we observed. We suspect the inconsistency relates to the way the controller batches page cleanup. The other benchmark observations were all consistent and to date this drive has the highest sequential read we have seen on a 16GB flash drive. The SanDisk Extreme has not been released in the UK. Our test unit had to be shipped from Hong Kong where we were able to purchase it at at an extremely reasonable price. We will update the price if/when the drive becomes officially available in the UK ... [Jul '12 USBFlashPro]

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USB Flash Drive Rankings (Price vs Performance) April 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]

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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.
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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

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The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $170AMD RX 480 $350Samsung 850 Pro 256GB $158
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $36Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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